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China Professional 320d 20 Ton Bucket Quick Hitch Coupler Hydraulic Coupling for Excavator

Product Description

Quick couplers (also called quick hitches) are used with construction machines to allow the rapid change of buckets and attachments on the machine. They remove the need to use hammers to manually drive out and insert the mounting pins for attachments. They can be used on excavator, mini excavator, backhoe loader and so on.

We can supply 3 type: hydraulic type, Double lock type and Mechanical type.

Multi-quick hitch

Multi-Quick Coupler Specification
Model	Unit	RQH01D(a)	RQH01D(b)	RQH02D	RQH04D	RQH06D	RQH08D	RQH10D(a)	RQH10D(b)
Carrier Weight	T	1~2	2~4	4~6	6~8	10~15	15~27	25~32	30~36
Pin Diameter	mm	30	35/40	45	50/55	60/65	70/80	90	90/100
Arm Width(W1)	mm	105~125	110~135	140~180	185~220	220~270	300-340	350~390	390~420
Center To Center(A1)	mm	120~140	140~215	185~290	260~320	340~430	380~490	460~530	480~550
Equipping Distance(A2)	mm	120~140	140~215	185~290	260~320	340~430	380~490	460~530	480~550
Up and Down pin center distance(H1)	mm	125	125	165-175	200	245	275	315
Working Pressure	Bar	40~248	40~248	40~248	40~205	40~205	40~205	40~205	40~205
Oil Flow	L/min	10~20	10~20	10~20	10~20	10~20	10~20	10~20	10~20
Unit Weight	Kg	20	23.5	51-80	110	185	340	500
Unit Length	mm	370	400	505-610	655	820	980	1060
Unit Width	mm	220	240	275-330	312	440	510	560
Unit High	mm	210	210	265-320	335	410	490	560
Lifting Eye Rating	T	1	1	2-3	4	5	8

We can also product hydraulic type and double lock type.

Advantages:

1. Welding Technique: 17 years experience, full welding and not easy to crack.

2. Grease Nipple: Make pin not easy to wear

3. Double Lock System: Front jaw lock and Rear safety lock make the operation much safer. Which embrace the pins tightly even if the cylinder suddenly inoperation.

4. Imported oil cylinder and not easy to damage

5. Without safety pin and excavator operator can operate it in the cab alone.

6. Wide range of application: Compared with fixed C to C distance(A) of routine quick hitch, multi quick hitch is more flexible. It is suitable for all attachments with the C to C distance(A) within its range.

1. Open the cylinder, and ensure slide is fully extended with front jaw safety lock open.

2. Line up attachments and engage front attachments pin.

3. Close the cylinder. This will retract the slide mechanism and this will visibly lock the front jaw safety latch around front attachment pin.

4. Open the cylinder again. The sliding mechanism will extend and engage the rear slide hook CHINAMFG the rear attachment pin.

5. Proceed with connection test.

RAY ATTACHMENTS includes HangZhou CHINAMFG International Trading Company and HangZhou CHINAMFG Precision Machinery Co.,Ltd. It is a Integrated Company dedicated to production, research and development and sales of construction machinery attachments.with 17 years experience. The main products include earth auger, quick hitch, hydraulic breaker, vibro ripper and other heavy duty equipment. Our company covers an area of more than 20000 square CHINAMFG and has more than 150 employees, including professional R & D teams and Sales Department. Welcome to visit!

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

hydraulic coupling

Can hydraulic couplings handle both angular and axial misalignments simultaneously?

Yes, hydraulic couplings are designed to handle both angular and axial misalignments simultaneously. These couplings have inherent flexibility in their design, allowing them to accommodate various types of misalignments between the driving and driven shafts.

Angular misalignment occurs when the axes of the two shafts are not collinear, resulting in an angle between them. Axial misalignment, on the other hand, refers to the offset between the two shafts along their axis. Hydraulic couplings can compensate for these misalignments without sacrificing their ability to transmit torque efficiently.

The design of hydraulic couplings typically includes features such as flexible elements, torsional flexibility, or a fluid medium that allows the coupling to absorb and compensate for misalignments. When misalignment occurs, the flexible elements or fluid within the coupling act as a buffer, transmitting torque smoothly and reducing stress on the connected components.

By accommodating both angular and axial misalignments, hydraulic couplings offer several advantages in various applications:

Reduced Wear: Hydraulic couplings’ ability to handle misalignments helps reduce wear and tear on the shafts, bearings, and other components, prolonging the life of the equipment.
Smooth Operation: The ability to compensate for misalignments results in smoother operation and reduced vibrations, contributing to overall system performance and precision.
Overload Protection: Hydraulic couplings can provide overload protection by allowing slippage when torque exceeds the coupling’s capacity, protecting the system from damage.
Shock Absorption: In systems subject to shock loads or sudden changes in torque, hydraulic couplings can absorb and dampen these shocks, preventing damage to the equipment.
Maintenance Reduction: By minimizing stress on the system components, hydraulic couplings can help reduce maintenance requirements and downtime.

It is important to note that the extent of misalignment accommodation may vary depending on the specific design and type of hydraulic coupling. Manufacturers provide guidelines and specifications for each coupling, including the maximum allowable misalignments.

Overall, hydraulic couplings’ ability to handle both angular and axial misalignments simultaneously makes them a versatile choice for various industrial applications where precision, efficiency, and reliable power transmission are essential.

hydraulic coupling

What are some real-world examples of successful hydraulic coupling installations and their benefits?

Hydraulic couplings have been successfully implemented in various real-world applications, offering significant benefits in terms of performance, efficiency, and reliability. Here are some examples of successful hydraulic coupling installations and the advantages they provided:

Construction Equipment: In the construction industry, hydraulic couplings are extensively used in excavators, loaders, bulldozers, and cranes. The flexibility and high torque transmission capability of hydraulic couplings ensure smooth and precise movements of heavy machinery, improving productivity and reducing wear on mechanical components. Additionally, the leak-free connections in hydraulic systems prevent fluid loss and environmental contamination.
Industrial Manufacturing: In manufacturing plants, hydraulic couplings are commonly found in various equipment like hydraulic presses, injection molding machines, and metal forming machinery. The instant response and controllability of hydraulic systems, enabled by high-quality couplings, allow precise positioning and repeatable operations, ensuring consistent product quality and reducing material waste.
Agricultural Machinery: Hydraulic couplings play a vital role in agricultural machinery, such as tractors, harvesters, and irrigation systems. The ability to handle varying loads and pressures in hydraulic couplings ensures efficient operation in different farming tasks. Moreover, the robustness and resistance to environmental factors contribute to the longevity and reliability of the agricultural equipment.
Mobile Equipment: Mobile hydraulic applications, including waste collection trucks, fire trucks, and utility service vehicles, benefit from hydraulic couplings’ compact design and versatility. Hydraulic systems with the right couplings offer precise control, even in confined spaces, making them suitable for diverse mobile operations.
Material Handling: Hydraulic couplings are integral to material handling equipment like forklifts, conveyor systems, and pallet stackers. The smooth acceleration and deceleration provided by hydraulic couplings improve safety and handling efficiency, allowing operators to maneuver heavy loads with ease.
Offshore and Marine: In offshore and marine applications, hydraulic couplings are used in cranes, winches, and other systems. The hermetically sealed magnetic couplings, for instance, prevent fluid leakage in critical marine environments, reducing maintenance costs and minimizing the risk of contamination in sensitive marine ecosystems.

The benefits of these successful hydraulic coupling installations include:

Improved Performance: Hydraulic couplings enable precise control and efficient power transmission, resulting in improved equipment performance and productivity.
Energy Efficiency: Hydraulic couplings with reduced pressure losses and optimized fluid flow contribute to energy savings, making hydraulic systems more environmentally friendly and cost-effective.
Enhanced Safety: The reliability and leak-free operation of hydraulic couplings increase operational safety, reducing the risk of accidents and equipment failures.
Extended Equipment Lifespan: Properly selected and maintained hydraulic couplings contribute to the longevity of hydraulic systems, reducing downtime and maintenance costs.
Environmental Protection: Hydraulic couplings, especially those with non-leak designs, help prevent fluid spills and reduce the impact of hydraulic systems on the environment.

These real-world examples illustrate the versatility and advantages of hydraulic couplings across different industries. The proper selection and installation of hydraulic couplings can significantly enhance the performance, efficiency, and reliability of various hydraulic systems, delivering long-term benefits for businesses and end-users alike.

hydraulic coupling

What are the different types of hydraulic couplings used in various industrial applications?

Hydraulic couplings come in various types and designs to suit different industrial applications. Some of the commonly used types include:

Jaw Couplings: Jaw couplings are versatile and widely used in industrial machinery. They consist of two hubs with interlocking jaws that transmit torque between the shafts. These couplings provide good misalignment capacity and vibration damping.
Disc Couplings: Disc couplings use a series of thin, flexible metal discs to transmit torque. They offer high torsional stiffness and can accommodate misalignments. They are commonly found in high-performance applications and precision equipment.
Fluid Couplings: Fluid couplings use hydraulic fluid to transmit torque. They are suitable for applications requiring smooth start-ups and shock absorption. These couplings are often used in heavy machinery, such as conveyors and crushers.
Gear Couplings: Gear couplings consist of gear teeth on the hubs that mesh with each other to transmit torque. They offer high torque capacity and can handle misalignments and shock loads. Gear couplings are commonly used in heavy-duty industrial applications.
Oldham Couplings: Oldham couplings use a sliding disc in the middle to transmit torque. They provide high misalignment capacity and are used in applications where shafts are not in perfect alignment.
Diaphragm Couplings: Diaphragm couplings use a thin metal diaphragm to transmit torque. They provide high torsional stiffness and can handle high speeds and misalignments. These couplings are used in applications like pumps and compressors.
Beam Couplings: Beam couplings use helical cuts in a flexible beam to transmit torque. They are lightweight and have good misalignment capacity. Beam couplings are used in precision equipment and motion control applications.
Universal Joints: While not a traditional hydraulic coupling, universal joints are used in fluid power transmission applications. They provide flexibility in transmitting torque at varying angles and are commonly found in drivetrains and automotive systems.

Each type of hydraulic coupling has its advantages and limitations, making them suitable for specific industrial applications based on factors like torque requirements, misalignment tolerance, and operating conditions. Proper selection and maintenance of hydraulic couplings are essential to ensure efficient power transmission and prolong the life of the machinery.

China Professional 320d 20 Ton Bucket Quick Hitch Coupler Hydraulic Coupling for Excavator
editor by CX 2024-04-19

China supplier Super High Pressure Hydraulic Hose Quick Coupling

Product Description

High Quality Geka Quick Connect Hose Couplings for Garden Watering/Hose/Air

Geka couplings , also names as Geka steam hose coupling, Sometimes called a “swift quick release coupling” or “claw coupling”. Usually connected by pushing and rotating the 2 couplings together. The distance between the claws being 40 mm. Common material is brass and with NBR seal. GEKA couplings are symmetric quick couplings designed for agricultural, gardening, construction and public service applications. ZTN have high quality brass geka with hose tail quick coupling and brass geka with female or male BSP qucik coupling.

GEKA Hose Coupling	Material	Size
Hose End	Brass	3/8″, 1/2″
		5/8″, 3/4″, 1″
		1/1/4″, 1-1/2″
Female Thread Hose End	Brass	3/8″, 1/2″
		5/8″, 3/4″, 1″
		1/1/4″, 1-1/2″
Male Thread Hose End	Brass	3/8″, 1/2″
		5/8″, 3/4″, 1″
		1/1/4″, 1-1/2″

Geka Quick Irrigation Couplings Advantages

1. Simple installation, no need for expensive installation tools, can be disassembled and used at any time

2. The connection between the hose and the joint is absolutely correct and firm. Provide protection to prevent dust from accumulating between the hose core and the outer end of the hose. No dead ends are formed, and the best safety and hygiene standards are reached

3. Will not damage the flexibility of the hose. When bending, the hose is externally supported on the sleeve of the hose connector

4. High pressure loading. Working pressure (shape sealing ring)> 40 bar. The working pressure of hose joints depends largely on the hose.

5. Vacuum resistance of water column up to 10 m (shape sealing ring) The vacuum resistance of hose joints largely depends on the hose

6. For almost all high-quality water, industrial and pressure hoses from CHINAMFG manufacturers (please note the hose wall thickness)

7. Vacuum resistance of water column up to 10 m (shaped sealing ring)

FAQ;
1. Can I have a sample order for valve?

A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

2. Do you have any MOQ limit for valve order?

A: Low MOQ, 1pc for sample checking is available.

3. How do you ship the goods and how long does it take to arrive?

A: We usually ship by sea. It usually takes 30 days to arrive. Airline shipping also optional.

4. How to proceed an order for valve?

A: Firstly let us know your requirements or application. Secondly We quote according to your requirements or our suggestions. Thirdly customer confirms the samples and places deposit for formal order. Fourthly We arrange the production.

5. Do you offer guarantee for the products?

A: Yes, we offer 10 years warranty to our products. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

hydraulic coupling

What are the maintenance requirements for hydraulic couplings to ensure optimal performance?

Maintaining hydraulic couplings is crucial to ensure their optimal performance and extend their service life. Regular maintenance helps identify potential issues early on and prevents costly breakdowns. Here are the essential maintenance requirements for hydraulic couplings:

Inspection: Regularly inspect the hydraulic coupling for signs of wear, damage, or leaks. Check for any unusual noises, vibrations, or changes in performance during operation.
Lubrication: Ensure proper lubrication of the coupling’s moving parts. Use the manufacturer-recommended lubricants and follow the specified intervals for re-lubrication.
Coupling Alignment: Check and correct the alignment of the driving and driven shafts connected by the coupling. Misalignment can lead to premature wear and reduce coupling efficiency.
Bolt Tightening: Regularly check and tighten the bolts and fasteners securing the coupling. Loose bolts can lead to coupling slippage and compromised power transmission.
Cleanliness: Keep the hydraulic coupling and its surrounding area clean from dirt, debris, and contaminants. Clean the coupling during scheduled maintenance to prevent contamination-related issues.
Temperature and Pressure Checks: Monitor the operating temperature and pressure to ensure they remain within the specified limits for the coupling. Operating beyond the recommended ranges can cause damage and reduce coupling performance.
Overload Prevention: Avoid exceeding the rated torque capacity of the coupling to prevent overload and potential damage to the coupling or connected equipment.
Replacement of Worn Parts: Replace any worn or damaged components of the hydraulic coupling promptly. Follow the manufacturer’s guidelines for part replacement and use genuine spare parts when needed.
Periodic Maintenance: Establish a regular maintenance schedule for the hydraulic coupling based on the operating conditions and manufacturer recommendations. Adhering to this schedule helps identify and address issues before they become severe.
Expert Inspection: If you encounter any unusual performance issues or suspect coupling problems, consult a hydraulic system expert for a detailed inspection and analysis. They can provide valuable insights and recommendations for maintenance and repairs.

Proper and consistent maintenance of hydraulic couplings is essential to ensure their reliability, efficiency, and safe operation. By following the recommended maintenance practices, you can prolong the life of the hydraulic coupling and optimize the performance of your hydraulic system.

hydraulic coupling

How do hydraulic couplings compare to other coupling types, such as mechanical or magnetic couplings?

Hydraulic couplings, mechanical couplings, and magnetic couplings are three distinct types of couplings used in various applications to transmit power between shafts. Each type of coupling offers specific advantages and limitations, making them suitable for different scenarios. Here’s a comparison of hydraulic couplings with mechanical and magnetic couplings:

Power Transmission:
- Hydraulic Couplings: Hydraulic couplings transmit power using hydraulic fluid to transfer torque between connected shafts. They are well-suited for applications with varying torque demands, as the fluid medium can accommodate fluctuations and dampen shock loads.
- Mechanical Couplings: Mechanical couplings directly connect the shafts through solid mechanical links, such as rigid couplings or flexible couplings (e.g., gear, jaw, or disc couplings). They efficiently transmit power without losses, making them suitable for high-torque applications.
- Magnetic Couplings: Magnetic couplings use magnetic fields to transfer torque between shafts. They offer non-contact power transmission, which eliminates the need for mechanical seals, making them suitable for applications requiring hermetic sealing, such as pumps handling hazardous fluids.
Speed and Torque:
- Hydraulic Couplings: Hydraulic couplings can accommodate variations in speed and torque within their design limits. They offer good torque-to-inertia ratio, enabling smooth acceleration and deceleration in hydraulic systems.
- Mechanical Couplings: Mechanical couplings maintain precise shaft alignment and have high torque capacity. However, they may not handle speed variations as effectively as hydraulic couplings.
- Magnetic Couplings: Magnetic couplings are not suitable for high-torque applications, but they offer excellent speed control and precise torque transmission without direct contact between shafts.
Maintenance and Wear:
- Hydraulic Couplings: Hydraulic couplings may require periodic maintenance, such as seal replacements, to ensure proper operation. They experience wear due to fluid flow and pressure.
- Mechanical Couplings: Mechanical couplings have mechanical wear and may require lubrication and maintenance to sustain optimal performance and prevent misalignment over time.
- Magnetic Couplings: Magnetic couplings have minimal wear and require less maintenance due to their non-contact nature. They are less prone to mechanical failures but may require magnetic field adjustments.
Environmental Considerations:
- Hydraulic Couplings: Hydraulic couplings may require hydraulic fluid, which must be properly managed and maintained. They can be susceptible to fluid leakage if not adequately sealed.
- Mechanical Couplings: Mechanical couplings can generate friction and heat during operation, which may require cooling measures in high-speed applications.
- Magnetic Couplings: Magnetic couplings are hermetically sealed, preventing fluid leakage and offering environmental advantages in applications where containment is critical.

The selection of the most appropriate coupling type depends on the specific requirements of the application, including torque, speed, environmental factors, maintenance considerations, and cost. Each coupling type offers unique features that cater to diverse industrial needs, making them valuable components in numerous mechanical systems.

hydraulic coupling

How do hydraulic couplings accommodate misalignment and prevent overload during operation?

Hydraulic couplings are designed to accommodate misalignment and prevent overload during operation, ensuring smooth and efficient power transmission. Here’s how they achieve this:

Misalignment Accommodation: Hydraulic couplings can handle different types of misalignment between the driving and driven shafts. This includes angular misalignment, radial misalignment, and axial misalignment. The design of the coupling allows it to flex and compensate for these misalignments, reducing stress on the system components and preventing premature wear.
Torsional Flexibility: Hydraulic couplings offer torsional flexibility, which means they can twist and absorb torsional vibrations that may occur during operation. This capability helps to dampen vibrations and reduce the impact of shock loads on the system, enhancing the overall performance and protecting sensitive components.
Slip Mechanism: In applications where overload protection is critical, some hydraulic couplings feature a slip mechanism. When the torque exceeds a certain threshold, the coupling slips, disengaging the driving and driven elements. This slip mechanism prevents damage to the system and its components by acting as a safety feature under high-load conditions.
Hydraulic Fluid Damping: The hydraulic fluid present in the coupling acts as a damping medium. When torque is transmitted from the driving element to the driven element, the fluid dampens the transmission of vibrations, providing a smoother and quieter operation while reducing wear and tear.
Gradual Start-up: During system start-up, hydraulic couplings provide gradual power transmission. As the fluid flow builds up and pressure increases, the coupling gradually engages, minimizing the shock and stress on the system. This gradual start-up is particularly beneficial for systems with heavy loads and delicate components.
Continuous Power Transmission: Hydraulic couplings maintain continuous power transmission even when there are slight misalignments or variations in operating conditions. The ability to accommodate misalignments and fluctuations in torque allows the system to operate reliably and efficiently over time.

By accommodating misalignments, damping vibrations, and providing overload protection, hydraulic couplings ensure the smooth and reliable operation of hydraulic systems. Their versatility and adaptability make them suitable for a wide range of industrial applications, where precision, efficiency, and protection against shock loads are essential requirements.

China supplier Super High Pressure Hydraulic Hose Quick Coupling
editor by CX 2024-04-19

China wholesaler Smooth SAE7.89 Fuel Hose Quick Coupling for Hydraulic Pump

Product Description

Smooth SAE7.89 Fuel Hose Quick Coupling for Hydraulic Pump

Material Of Quick Connector

Parts	Material	Supplier		Application
Body	PA12 GF30	ARKEMA	EVONIK	Fuel
	PA66 GF30/35	BASF	DUPONT	Fuel Steam
	PA6/6T GF25	BASF		HT Fuel
	PA9T GF30	KURARAY		HT Fuel
Locking Spring	PA11	ARKEMA		Fuel
Locking Spring	PA66	BASF	DUPONT	Fuel, Steam
Securing Ring	PA12 GF30	ARKEMA	EVONIK	Fuel,Steam,Urea,A/C , Power Steering System
	PA6/6T GF30	BASF		HT Fuel
	PA66GF 30/35	BASF		Fuel Steam
O Ring	FKM/FVMQ/ HNBR/AEM	HUTCHINS ON	GMORS	Fuel,Steam,Urea,A/C Power Steering System

2.The design and production
Innovative, secure and quickit , Our quick connect fittings made of synthetic material are suitable for most media carrying lines . Be it fuel , oil vapor , water cooling and air carrying lines . We offer the idea means of connection . These quick connectors are specially suited to being matched up with the automotive pipe system
the design and productionof quick connector are strictly accord with SAE J2044-2009 Quick
connect coupling specification for liquid fuel and vapor or emissions systems . If the product does not meet customer needs , we can design and manufacture according to customers requirements . plug-in and sel-locking structure enables connect and disconnect more quick and easier . The space required for the operation is only the width of a finger on both sides . These features ensure quicker connecto can be high-density arrangement and an increase in customer design flexibility

3.Security of quick connector
Quick connector with double sealing rings radial sealing structure , modified rubber o-rings used , mainly for fluid The physics chemistry , custom , anti-aging , corrosion , and swelling ;
outer o-rings are separated by the intermediate spacer ring . Coresponding space on the two
sealing ring , rubber substrate bonding does not occur , the outer synthetic rubber o-rings used , Increased mechanical properties. preventing air aging . Sealing ring and spacer ring through the outer ring of elastic clamping device securely fastened in Shell will not result in phenomena such as ring falls of , and shift . Great seal security is guaranteed

4.Working environment of quick connector
Gasoline and diesel fuel delivery systems , Ethanol , methanol or natural gas delivery systems or their vapor venting or evaporative emission control systems

Working pressure	5bar (72psi)
Working pressure in Vacuum	-0.55bar (-7.2psi)
Working temperature	-40-115ºC , short time 150ºC

5.Quick Connector advantages
· Fast assembly without tool -> time and cost reduction
· robot assembly possible -> automated processes
· compact building method -> employment in extremely close installation conditions possible
· integrated seal – > optimal tightness

6.Quick Connector Applications in the automotive industry
Can be used to make both line-to-line or line-to-equipment connections.
· Fuel feed / return lines
· tank breathing
· Ventilation lines
· Oil cooler lines
· Vacuum control lines

7.The Type of Quick Connector

7.1 button	Two button	One button
7.2 fir tree	The fir tree endform with or without o-ring Connect nylon pipe – pipe size from 3 . 35X4 . 5 to 14 . 35X16 35	Endform with or without rib lines Connect rubber hose ,hose size from ID 3 to 16mm

8.Connect &Discnnect Peration Mathod Of Quick Connector
Quick connector is made up of body , in o-ring , out o-ring , spacer ring , securing ring and locking spring . When a mating tube end piece inserts the connector , as locking spring has certain elasticity , Tie clip fastener to connect 2 connectors together ,and then pull back to assure complete connection.; Repair or remove the quick connector is difference . first advance push the male connector and press the clip button , lock expansion , you can easily pull out the connector ;please note,SAE 30th heavy oil lubrication should be used before Reseat

Our Fuel Line Quick Connector Catalog

We can produce according to customers’ samples or OEM numbers

About us
HangZhou Standards Rubber Products Co., Ltd Is a Highly Professional And Experienced Manufacturer Of Rubber Hoses In China. We Have Specialized In This Field Over 20 Years And Always Dedicated To The Producing Of Rubber Hoses In High Quality, With a Wide Range Of Demands From Multiple Industries, Including Engineering, Ocean, Mining, Chemicals Plastics, Transportation, Oil, Metallurgy,etc.

Our products include:
Rubber Hose: hydraulic hose , industrial hose, hose fitting
Silicone hose: food and medical grade silicone hose, auto silicone tube
PVC hose: PVC layflat hose, PVC Helix Suction & Delivery Hose,
PVC Spiral Steel Wire Reinforced Hose,
PVC Fiber Braided Reinforced Hose
Automotive parts: A/C Hose, fuel hose,brake hose system

Our Service
1. OEM Manufacturing welcome: Product, Package…
2. Sample order
3. We will reply you for your inquiry in 24 hours.
4. after sending, we will track the products for you once every 2 days, until you get the products. When you got the goods, test them, and give me a feedback. If you have any questions about the problem, contact with us, we will offer the solve way for you.

FAQ
Q1. What is your terms of packing?

A: Generally, we pack our hose in woven package, fittings in carton box. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?

A: T/T 40% as deposit, and 60% before delivery. We’ll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?

A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?

A: Generally, it will take 10 to 20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?

A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?

A: We can supply the sample if we have ready parts in stock, the customers no need to pay the sample cost but need pay the courier cost.

Q7. Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?

A:1. We keep good quality and competitive price to ensure our customers benefit ;

2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

We sincerely welcome partners all over the world to visit us for CHINAMFG cooperation! /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

hydraulic coupling

How do hydraulic couplings contribute to reducing vibrations and noise in hydraulic systems?

Hydraulic couplings play a crucial role in reducing vibrations and noise in hydraulic systems, providing several mechanisms that help dampen and absorb these unwanted effects. Here’s how hydraulic couplings contribute to vibration and noise reduction:

Torsional Flexibility: Hydraulic couplings are designed with torsional flexibility, allowing them to twist and absorb torsional vibrations that may occur during operation. As the fluid flows through the coupling, it acts as a damping medium, attenuating vibrations and minimizing their transmission to the rest of the system.
Vibration Isolation: The inherent flexibility of hydraulic couplings helps isolate vibrations between the driving and driven components of the hydraulic system. This isolation prevents vibrations from propagating through the system, reducing the overall vibration levels and promoting smoother operation.
Shock Absorption: In systems subject to sudden changes in load or pressure, hydraulic couplings can act as shock absorbers. They cushion the impact of these shock loads, preventing them from reverberating through the system and causing noise or damage to sensitive components.
Damping Characteristics: Hydraulic couplings, especially those utilizing a hydraulic fluid medium, exhibit excellent damping characteristics. The fluid dissipates energy by converting kinetic energy into heat energy, effectively reducing the system’s resonant vibrations and noise.
Smooth Power Transmission: Hydraulic couplings provide smooth power transmission between the driving and driven elements. The absence of jerks or sudden changes in torque helps in minimizing vibrations and noise generation, leading to quieter operation.
Compensation for Misalignments: Hydraulic couplings can compensate for certain misalignments between the shafts they connect. By accommodating misalignments, the couplings reduce the stress on the system components, mitigating vibrations that might arise from misalignment-induced forces.
Elimination of Metal-to-Metal Contact: In certain couplings, the use of elastomeric or flexible elements eliminates direct metal-to-metal contact between the driving and driven shafts. This reduces transmission of vibrations and noise, resulting in a quieter system.

By incorporating these vibration and noise-reducing features, hydraulic couplings enhance the overall performance and longevity of hydraulic systems. They contribute to a more pleasant working environment by minimizing noise levels and reducing the risk of fatigue failure caused by excessive vibrations. Additionally, reduced vibrations help prevent premature wear and extend the lifespan of system components, ultimately leading to cost savings and improved efficiency in industrial applications.

hydraulic coupling

What are some real-world examples of successful hydraulic coupling installations and their benefits?

Construction Equipment: In the construction industry, hydraulic couplings are extensively used in excavators, loaders, bulldozers, and cranes. The flexibility and high torque transmission capability of hydraulic couplings ensure smooth and precise movements of heavy machinery, improving productivity and reducing wear on mechanical components. Additionally, the leak-free connections in hydraulic systems prevent fluid loss and environmental contamination.
Industrial Manufacturing: In manufacturing plants, hydraulic couplings are commonly found in various equipment like hydraulic presses, injection molding machines, and metal forming machinery. The instant response and controllability of hydraulic systems, enabled by high-quality couplings, allow precise positioning and repeatable operations, ensuring consistent product quality and reducing material waste.
Agricultural Machinery: Hydraulic couplings play a vital role in agricultural machinery, such as tractors, harvesters, and irrigation systems. The ability to handle varying loads and pressures in hydraulic couplings ensures efficient operation in different farming tasks. Moreover, the robustness and resistance to environmental factors contribute to the longevity and reliability of the agricultural equipment.
Mobile Equipment: Mobile hydraulic applications, including waste collection trucks, fire trucks, and utility service vehicles, benefit from hydraulic couplings’ compact design and versatility. Hydraulic systems with the right couplings offer precise control, even in confined spaces, making them suitable for diverse mobile operations.
Material Handling: Hydraulic couplings are integral to material handling equipment like forklifts, conveyor systems, and pallet stackers. The smooth acceleration and deceleration provided by hydraulic couplings improve safety and handling efficiency, allowing operators to maneuver heavy loads with ease.
Offshore and Marine: In offshore and marine applications, hydraulic couplings are used in cranes, winches, and other systems. The hermetically sealed magnetic couplings, for instance, prevent fluid leakage in critical marine environments, reducing maintenance costs and minimizing the risk of contamination in sensitive marine ecosystems.

The benefits of these successful hydraulic coupling installations include:

Improved Performance: Hydraulic couplings enable precise control and efficient power transmission, resulting in improved equipment performance and productivity.
Energy Efficiency: Hydraulic couplings with reduced pressure losses and optimized fluid flow contribute to energy savings, making hydraulic systems more environmentally friendly and cost-effective.
Enhanced Safety: The reliability and leak-free operation of hydraulic couplings increase operational safety, reducing the risk of accidents and equipment failures.
Extended Equipment Lifespan: Properly selected and maintained hydraulic couplings contribute to the longevity of hydraulic systems, reducing downtime and maintenance costs.
Environmental Protection: Hydraulic couplings, especially those with non-leak designs, help prevent fluid spills and reduce the impact of hydraulic systems on the environment.

hydraulic coupling

What are the different types of hydraulic couplings used in various industrial applications?

Hydraulic couplings come in various types and designs to suit different industrial applications. Some of the commonly used types include:

Jaw Couplings: Jaw couplings are versatile and widely used in industrial machinery. They consist of two hubs with interlocking jaws that transmit torque between the shafts. These couplings provide good misalignment capacity and vibration damping.
Disc Couplings: Disc couplings use a series of thin, flexible metal discs to transmit torque. They offer high torsional stiffness and can accommodate misalignments. They are commonly found in high-performance applications and precision equipment.
Fluid Couplings: Fluid couplings use hydraulic fluid to transmit torque. They are suitable for applications requiring smooth start-ups and shock absorption. These couplings are often used in heavy machinery, such as conveyors and crushers.
Gear Couplings: Gear couplings consist of gear teeth on the hubs that mesh with each other to transmit torque. They offer high torque capacity and can handle misalignments and shock loads. Gear couplings are commonly used in heavy-duty industrial applications.
Oldham Couplings: Oldham couplings use a sliding disc in the middle to transmit torque. They provide high misalignment capacity and are used in applications where shafts are not in perfect alignment.
Diaphragm Couplings: Diaphragm couplings use a thin metal diaphragm to transmit torque. They provide high torsional stiffness and can handle high speeds and misalignments. These couplings are used in applications like pumps and compressors.
Beam Couplings: Beam couplings use helical cuts in a flexible beam to transmit torque. They are lightweight and have good misalignment capacity. Beam couplings are used in precision equipment and motion control applications.
Universal Joints: While not a traditional hydraulic coupling, universal joints are used in fluid power transmission applications. They provide flexibility in transmitting torque at varying angles and are commonly found in drivetrains and automotive systems.

China wholesaler Smooth SAE7.89 Fuel Hose Quick Coupling for Hydraulic Pump
editor by CX 2024-04-17

China Standard Flexible Flex Fluid Chain Jaw Flange Gear Rigid Spacer Pin HRC Mh Nm Universal Fenaflex Oldham Spline Clamp Tyre Grid Hydraulic Servo Motor Shaft Coupling

Product Description

Flexible flex Fluid Chain Jaw flange Gear Rigid Spacer PIN HRC MH NM universal Fenaflex Oldham spline clamp tyre grid hydraulic servo motor shaft Coupling

Product Description

The function of Shaft coupling:
1. Shafts for connecting separately manufactured units such as motors and generators.
2. If any axis is misaligned.
3. Provides mechanical flexibility.
4. Absorb the transmission of impact load.
5. Prevent overload

We can provide the following couplings.

Rigid coupling	Flange coupling	Oldham coupling
Sleeve or muff coupling	Gear coupling	Bellow coupling
Split muff coupling	Flexible coupling	Fluid coupling
Clamp or split-muff or compression coupling	Universal coupling	Variable speed coupling
Bushed pin-type coupling	Diaphragm coupling	Constant speed coupling

Company Profile

We are an industrial company specializing in the production of couplings. It has 3 branches: steel casting, forging, and heat treatment. Main products: cross shaft universal coupling, drum gear coupling, non-metallic elastic element coupling, rigid coupling, etc.
The company mainly produces the industry standard JB3241-91 swap JB5513-91 swc. JB3242-93 swz series universal coupling with spider type. It can also design and produce various non-standard universal couplings, other couplings, and mechanical products for users according to special requirements. Currently, the products are mainly sold to major steel companies at home and abroad, the metallurgical steel rolling industry, and leading engine manufacturers, with an annual production capacity of more than 7000 sets.
The company’s quality policy is “quality for survival, variety for development.” In August 2000, the national quality system certification authority audited that its quality assurance system met the requirements of GB/T19002-1994 IDT ISO9002:1994 and obtained the quality system certification certificate with the registration number 0900B5711. It is the first enterprise in the coupling production industry in HangZhou City that passed the ISO9002 quality and constitution certification.
The company pursues the business purpose of “reliable quality, the supremacy of reputation, commitment to business and customer satisfaction” and welcomes customers at home and abroad to choose our products.
At the same time, the company has established long-term cooperative relations with many enterprises and warmly welcomes friends from all walks of life to visit, investigate and negotiate business!

How to use the coupling safely

The coupling is an intermediate connecting part of each motion mechanism, which directly impacts the regular operation of each motion mechanism. Therefore, attention must be paid to:
1. The coupling is not allowed to have more than the specified axis deflection and radial displacement so as not to affect its transmission performance.
2. The bolts of the LINS coupling shall not be loose or damaged.
3. Gear coupling and cross slide coupling shall be lubricated regularly, and lubricating grease shall be added every 2-3 months to avoid severe wear of gear teeth and serious consequences.
4. The tooth width contact length of gear coupling shall not be less than 70%; Its axial displacement shall not be more significant than 5mm
5. The coupling is not allowed to have cracks. If there are cracks, it needs to be replaced (they can be knocked with a small hammer and judged according to the sound).
6. The keys of LINS coupling shall be closely matched and shall not be loosened.
7. The tooth thickness of the gear coupling is worn. When the lifting mechanism exceeds 15% of the original tooth thickness, the operating mechanism exceeds 25%, and the broken tooth is also scrapped.
8. If the elastic ring of the pin coupling and the sealing ring of the gear coupling is damaged or aged, they should be replaced in time.

Certifications

Packaging & Shipping

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hydraulic coupling

Can hydraulic couplings handle both angular and axial misalignments simultaneously?

By accommodating both angular and axial misalignments, hydraulic couplings offer several advantages in various applications:

Reduced Wear: Hydraulic couplings’ ability to handle misalignments helps reduce wear and tear on the shafts, bearings, and other components, prolonging the life of the equipment.
Smooth Operation: The ability to compensate for misalignments results in smoother operation and reduced vibrations, contributing to overall system performance and precision.
Overload Protection: Hydraulic couplings can provide overload protection by allowing slippage when torque exceeds the coupling’s capacity, protecting the system from damage.
Shock Absorption: In systems subject to shock loads or sudden changes in torque, hydraulic couplings can absorb and dampen these shocks, preventing damage to the equipment.
Maintenance Reduction: By minimizing stress on the system components, hydraulic couplings can help reduce maintenance requirements and downtime.

hydraulic coupling

How do hydraulic couplings ensure efficient torque transmission and prevent fluid leaks?

Hydraulic couplings are designed with specific features to ensure efficient torque transmission and prevent fluid leaks, making them vital components in hydraulic systems. These features contribute to the overall performance and reliability of the hydraulic system. Here’s how hydraulic couplings achieve these goals:

High-Quality Materials: Hydraulic couplings are manufactured using high-quality materials, such as steel, stainless steel, brass, or other durable alloys. These materials offer excellent strength and wear resistance, allowing the couplings to withstand high torque and pressure loads without deforming or leaking.
Precision Machining: Hydraulic couplings undergo precise machining processes to achieve tight tolerances and smooth surfaces. This ensures proper alignment and mating of coupling components, minimizing energy losses and enhancing torque transmission efficiency.
Sealing Mechanisms: Hydraulic couplings incorporate various sealing mechanisms to prevent fluid leaks. O-rings, seals, or face seals are common sealing methods used in hydraulic couplings. When the coupling components are connected, the seals create a secure barrier, preventing hydraulic fluid from escaping the system.
Leak-Free Designs: Modern hydraulic couplings often feature leak-free designs that minimize the risk of fluid leakage during operation. These designs utilize advanced sealing technologies and tight tolerances to ensure a reliable and durable connection, even under high-pressure conditions.
Threaded Connections: Many hydraulic couplings use threaded connections, such as NPT, BSP, JIC, or SAE threads, to create a secure and leak-resistant joint. Properly tightened threaded connections maintain the integrity of the hydraulic system, reducing the likelihood of leaks.
Quick-Connect Couplings: Quick-connect hydraulic couplings are designed for rapid and easy connection and disconnection, often without the need for additional tools. These couplings use internal valves and seals to ensure a leak-free connection when engaged and prevent fluid leaks when disengaged.
Hermetically Sealed Couplings: In specific applications, hermetically sealed hydraulic couplings use magnetic coupling technology to provide a non-contact, leak-free transmission of torque and power. These couplings have no physical contact points, making them suitable for critical environments or systems handling hazardous fluids.

The combination of these design features ensures that hydraulic couplings efficiently transmit torque from one component to another while maintaining a secure and reliable seal to prevent fluid leaks. This is particularly important in hydraulic systems, where fluid leakage can lead to reduced performance, increased maintenance, and potential safety hazards.

Proper selection, installation, and maintenance of hydraulic couplings are crucial to optimize their torque transmission capabilities and prevent fluid leaks. Regular inspections and replacement of worn-out seals or damaged couplings are essential to ensure the continued efficiency and safety of the hydraulic system.

In summary, hydraulic couplings play a crucial role in efficient torque transmission and fluid sealing in hydraulic systems. Their robust construction, precision engineering, and advanced sealing technologies contribute to the overall performance and reliability of hydraulic machinery and equipment.

hydraulic coupling

What are the different types of hydraulic couplings used in various industrial applications?

Hydraulic couplings come in various types and designs to suit different industrial applications. Some of the commonly used types include:

Jaw Couplings: Jaw couplings are versatile and widely used in industrial machinery. They consist of two hubs with interlocking jaws that transmit torque between the shafts. These couplings provide good misalignment capacity and vibration damping.
Disc Couplings: Disc couplings use a series of thin, flexible metal discs to transmit torque. They offer high torsional stiffness and can accommodate misalignments. They are commonly found in high-performance applications and precision equipment.
Fluid Couplings: Fluid couplings use hydraulic fluid to transmit torque. They are suitable for applications requiring smooth start-ups and shock absorption. These couplings are often used in heavy machinery, such as conveyors and crushers.
Gear Couplings: Gear couplings consist of gear teeth on the hubs that mesh with each other to transmit torque. They offer high torque capacity and can handle misalignments and shock loads. Gear couplings are commonly used in heavy-duty industrial applications.
Oldham Couplings: Oldham couplings use a sliding disc in the middle to transmit torque. They provide high misalignment capacity and are used in applications where shafts are not in perfect alignment.
Diaphragm Couplings: Diaphragm couplings use a thin metal diaphragm to transmit torque. They provide high torsional stiffness and can handle high speeds and misalignments. These couplings are used in applications like pumps and compressors.
Beam Couplings: Beam couplings use helical cuts in a flexible beam to transmit torque. They are lightweight and have good misalignment capacity. Beam couplings are used in precision equipment and motion control applications.
Universal Joints: While not a traditional hydraulic coupling, universal joints are used in fluid power transmission applications. They provide flexibility in transmitting torque at varying angles and are commonly found in drivetrains and automotive systems.

China Standard Flexible Flex Fluid Chain Jaw Flange Gear Rigid Spacer Pin HRC Mh Nm Universal Fenaflex Oldham Spline Clamp Tyre Grid Hydraulic Servo Motor Shaft Coupling
editor by CX 2024-04-17

China Best Sales Pin and Bush Coupling FCL Type Standard Hydraulic Flexible Coupling

Product Description

FCL flexible coupling is widely used,owing to its advantages:compact designing,easy installation,convenient maintenance,small size and light weight.As long as the relative displacement between shafts is kept within the specified tolerance,coupling will operate the best function and have a longer working life.

Size available from:90,100,112,125,140,160,180,200,224,250,280,315,355,400,450,560,630

FCL flexible coupling is widely used for its compact design, easy installation, convenient maintenance, small size and light weight.

1. A flexible structure that is made through combining a flange with a coupling bolt.
2. Easy to attach.
3. Easy to replace the bush by just removing the coupling bolt, which makes maintenance and preservation easy.
4. Absorbs misalignment such as eccentricity and declination, and absorbs screw vibrations to prevent noise.
5. Does not transmit the thrust load.
6. Material could be customized.

Detailed Photos

Product Parameters

Packaging & Shipping

Package

Standard suitable package / Pallet or container.
Polybag inside export carton outside, blister and Tape and reel package available.
If customers have specific requirements for the packaging, we will gladly accommodate.

Shipping

10-20working days ofter payment receipt comfirmed (based on actual quantity).
Packing standard export packing or according to customers demand.

Professional goods shipping forward.

Company Profile

FAQ

Q: Are you trading company or manufacturer?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment=1000USD, 30% T/T in advance ,balance before shippment.

We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

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hydraulic coupling

Can hydraulic couplings be used in applications involving corrosive or aggressive fluids?

Yes, hydraulic couplings can be used in applications involving corrosive or aggressive fluids, but the choice of materials and design considerations is critical to ensure compatibility and long-term performance. Corrosive fluids, such as acids, alkalis, and certain chemicals, can pose significant challenges to hydraulic systems. Here are some key factors to consider when using hydraulic couplings in such applications:

Material Selection: Choose hydraulic couplings made from materials that are resistant to the specific corrosive fluid being handled. Stainless steel, certain alloys, and corrosion-resistant coatings are common choices for couplings in corrosive environments.
Sealing Solutions: Ensure that the couplings have effective sealing solutions to prevent fluid leakage. High-quality seals and gaskets that are compatible with the corrosive fluid are essential to maintain system integrity.
Chemical Compatibility: Thoroughly assess the chemical compatibility between the hydraulic fluid and the coupling materials. Consider the fluid’s temperature, concentration, and potential reactions with the coupling components.
Special Coatings: In some cases, using hydraulic couplings with specialized coatings or treatments can enhance their resistance to corrosion and aggressive fluids.
Regular Inspection and Maintenance: Implement a stringent inspection and maintenance schedule to monitor the condition of the hydraulic couplings and detect any signs of corrosion or degradation. Promptly replace any damaged or worn couplings to prevent fluid leaks and system failure.
Fluid Contamination: Corrosive fluids can lead to the formation of contaminants in the hydraulic system. Implement effective filtration and contamination control measures to prevent particle buildup and system damage.
Operating Conditions: Consider the temperature, pressure, and flow conditions of the system, as these factors can impact the corrosion resistance of the couplings and the overall system performance.

While hydraulic couplings can be used in corrosive or aggressive fluid applications, it is essential to consult with coupling manufacturers or fluid system experts to ensure proper material selection and system design. They can provide guidance on selecting the most suitable hydraulic couplings and recommend additional measures to protect the system from the adverse effects of corrosive fluids.

By employing the right materials, adopting proper maintenance practices, and taking the necessary precautions, hydraulic couplings can effectively function in applications involving corrosive or aggressive fluids, providing reliable and safe fluid power transmission.

hydraulic coupling

Are hydraulic couplings suitable for use in hydraulic cylinders or pumps?

Yes, hydraulic couplings are commonly used in hydraulic cylinders and pumps, playing a crucial role in connecting various components within hydraulic systems. Hydraulic cylinders and pumps are essential components in hydraulic systems, responsible for generating and controlling fluid power to perform mechanical work.

Hydraulic cylinders are actuators that convert fluid pressure into linear motion, producing force and movement. They are widely used in various applications, such as construction machinery, manufacturing equipment, agricultural machinery, and automotive systems.

Hydraulic pumps, on the other hand, are responsible for generating the fluid flow and pressure required to operate hydraulic systems. They provide the driving force that enables hydraulic cylinders and other actuators to perform their intended tasks.

Hydraulic couplings are used in hydraulic cylinders and pumps to connect hoses, tubes, and other hydraulic components. They ensure a secure and leak-free connection, allowing hydraulic fluid to flow between different parts of the system. Some common coupling types used in hydraulic cylinders and pumps include:

JIC Fittings: JIC (Joint Industry Council) fittings, which have a 37-degree flare angle, are commonly used in high-pressure hydraulic systems, including hydraulic cylinders and pumps. They provide reliable metal-to-metal sealing and are easy to assemble and disassemble.
ORFS Fittings: ORFS (O-Ring Face Seal) fittings are widely used in high-pressure hydraulic applications. They provide a robust and leak-free connection through an O-ring seal in the face of the fitting.
NPT Fittings: NPT (National Pipe Thread) fittings, with their tapered threads, are commonly used in lower-pressure hydraulic systems, providing a reliable seal with the use of thread sealants like Teflon tape.
BSP Fittings: BSP (British Standard Pipe) fittings, available in parallel (BSPP) and tapered (BSPT) threads, are widely used in European hydraulic systems.

Properly selected and installed hydraulic couplings ensure the integrity of the hydraulic system, allowing efficient and reliable power transmission between hydraulic cylinders, pumps, valves, and other components. When using hydraulic couplings in hydraulic cylinders and pumps, it’s essential to consider factors such as the required pressure rating, flow capacity, material compatibility, and environmental conditions to ensure optimal performance and safety.

In summary, hydraulic couplings are essential components in hydraulic systems, making them well-suited for use in hydraulic cylinders and pumps, where they facilitate fluid flow and help maintain the integrity of the overall hydraulic system.

hydraulic coupling

Are there specific pressure and temperature limits for different hydraulic coupling designs?

Yes, different hydraulic coupling designs have specific pressure and temperature limits, and these limits can vary based on the coupling type and construction materials. Here are some general considerations regarding pressure and temperature limits for common hydraulic coupling designs:

Jaw Couplings: Jaw couplings typically have a pressure rating ranging from 1000 psi to 5000 psi (6.9 MPa to 34.5 MPa) and can handle temperatures from -20°C to 120°C (-4°F to 248°F). These couplings are suitable for various industrial applications with moderate pressure and temperature requirements.
Disc Couplings: Disc couplings offer higher pressure and temperature capabilities compared to jaw couplings. Their pressure rating can range from 2000 psi to 6000 psi (13.8 MPa to 41.4 MPa), and they can handle temperatures between -50°C to 150°C (-58°F to 302°F). These couplings are commonly used in high-performance and precision equipment.
Fluid Couplings: Fluid couplings are suitable for applications requiring smooth start-ups and shock absorption. Their pressure limits can range from 150 psi to 3000 psi (1.03 MPa to 20.7 MPa), and they can handle temperatures from -40°C to 150°C (-40°F to 302°F). These couplings are often used in heavy machinery, such as conveyors and crushers.
Gear Couplings: Gear couplings have a higher pressure rating, typically ranging from 2500 psi to 8000 psi (17.2 MPa to 55.2 MPa), and can handle temperatures from -20°C to 150°C (-4°F to 302°F). These couplings are commonly used in heavy-duty industrial applications with high torque requirements.
Oldham Couplings: Oldham couplings have pressure limits ranging from 500 psi to 3000 psi (3.4 MPa to 20.7 MPa) and can handle temperatures between -30°C to 100°C (-22°F to 212°F). They are suitable for applications where shafts are not in perfect alignment.
Diaphragm Couplings: Diaphragm couplings offer high pressure and temperature capabilities. Their pressure rating can range from 3000 psi to 10000 psi (20.7 MPa to 68.9 MPa), and they can handle temperatures from -50°C to 200°C (-58°F to 392°F). These couplings are commonly used in high-speed and high-temperature applications like pumps and compressors.
Beam Couplings: Beam couplings typically have a pressure rating ranging from 1000 psi to 4000 psi (6.9 MPa to 27.6 MPa) and can handle temperatures between -40°C to 150°C (-40°F to 302°F). They are commonly used in precision equipment and motion control applications.

It’s essential to consult the manufacturer’s specifications and guidelines for each specific hydraulic coupling design to ensure it is suitable for the intended application’s pressure and temperature requirements. Using a coupling within its specified limits ensures safe and reliable operation and maximizes the performance and lifespan of the hydraulic system.

China Best Sales Pin and Bush Coupling FCL Type Standard Hydraulic Flexible Coupling
editor by CX 2024-04-17

China Good quality Lsq-FF Close Type Hydraulic Quick Coupling

Product Description

SongQiao LSQ-FF Series couplings are widely used in the public utility market where hydraulic oil spillage can constitute a serious safety hazard, particularly in overhead bucket hoists that are used for maintenance of high-voltage power transmission lines.These couplings are also used for quick change of hydraulic Tools in construction, railway maintenance and mining industries. The ease of cleaning makes them ideal for use in these types of hostile environments.
New valve design. it can resistance damage from high flow and the pressure of impulse that providing advanced performance.
Sleeve locking mechanism is engaged by rotating sleeve after connection. It prevents accidental disconnection when, The coupling is dragged along the ground.
Sleeve mechanism is designed to prevent dirt from entering the internal the internal mechanism and thus causing faulty operation when connecting or disconnecting. The sleeve covers the retaining ring and also incorporates a dust seal in the spring area.
Steel construction, zinc plated with yellow chromate finish. hardened nipples and sleeves and CHINAMFG barstock construction for maximum resistance to damage from hydraulic and mechanical shock.
This Anti Blowout Nitrile/PTFE bonded seal is designed to prevent blow-out or damage during severe service conditions.
Durable ball-locking mechanism assures reliable connections ,every time. A large number of locking balls distributes the work load evenly while providing alignment and swiveling action to reduce hose torque and prolong hose life. CAUTION: These products are not not to be used as swivels. Rotation under pressure will result in excessive and premature wear.
LSQ-FF Series couplings employ flush valving when connecting or disconnecting. This means that the valves are mated together so that only small amounts of fluid can be lost during disconnection or air inclusion during reconnection.
New chrome plating treatment provides advanced anti-rust performance.
LSQ-FF series conforms to standard of ISO16571.
Compatible with CHINAMFG FE Series,FFSeries,STUCCHIA8008 Series, AEROQUIP FD89 Series and HANSENQA2900 Series.

ISO	PART NO	LS	D	HEX1	A	T
6.3	LSQ-FF-02SF	58.2	28	20	14	G1/4 NPT1/4
10	LSQ-FF-03SF	68.2	32	24	14	G3/8 NPT3/8
10	LSQ-FF-03SF	72.2	32	27	18	G1/2 NPT1/2
12.5	LSQ-FF-04SF	75	38	32	18	G1/2 NPT1/2
12.5	LSQ-FF-04SF	79	38	36	22	G3/4 NPT3/4
16	LSQ-FF-06SF	80	42	36	22	G3/4 NPT3/4
19	LSQ-FF-08SF	99.8	48	41	22	G3/4 NPT3/4
19	LSQ-FF-08SF	99.8	48	41	23.5	G1 NPT1
25	LSQ-FF-10SF	111.5	56	55	24	G1-1/4 NPT1-1/4
–	LSQ-FF-12SF	150	79.5	65	30	G1-1/2 NPT1-1/2
–	LSQ-FF-16SF	167	98.5	85	31	G2 NPT2

ISO	PART NO	LP	d	C	HEX2	A	T
6.3	LSQ-FF-02PF	49.2	16.1	15.2	20	14	G1/4 NPT1/4
10	LSQ-FF-03PF	55.8	19.7	19.5	24	14	G3/8 NPT3/8
10	LSQ-FF-03PF	59.8	19.7	19.5	27	18	G1/2 NPT1/2
12.5	LSQ-FF-04PF	72	24.5	21.6	32	18	G1/2 NPT1/2
12.5	LSQ-FF-04PF	76	24.5	21.6	36	22	G3/4 NPT3/4
16	LSQ-FF-06PF	75.5	27	21.6	36	22	G3/4 NPT3/4
19	LSQ-FF-08PF	93.8	30	29	41	22	G3/4 NPT3/4
19	LSQ-FF-08PF	93.8	30	29	41	23.5	G1 NPT1
25	LSQ-FF-10PF	90	36	34	55	24	G1-1/4 NPT1-1/4
–	LSQ-FF-12PF	112	57	38	65	30	G1-1/2 NPT1-1/2
–	LSQ-FF-16PF	123.9	73	40.5	75	31	G2 NPT2

ISO	PART NO	L	D	HEX1	HEX2	T
6.3	LSQ-FF-02	96.2	28	20	20	G1/4 NPT1/4
10	LSQ-FF-03	108.4	32	24	24	G3/8 NPT3/8
10	LSQ-FF-03	116.4	32	27	27	G1/2 NPT1/2
12.5	LSQ-FF-04	129.3	38	32	32	G1/2 NPT1/2
12.5	LSQ-FF-04	137.3	38	36	36	G3/4 NPT3/4
16	LSQ-FF-06	138	42	36	36	G3/4 NPT3/4
19	LSQ-FF-08	172.1	48	41	41	G3/4 NPT3/4
19	LSQ-FF-08	172.1	48	41	41	G1 NPT1
25	LSQ-FF-10	178	56	55	55	G1-1/4 NPT1-1/4
–	LSQ-FF-12	233.4	79.5	65	65	G1-1/2 NPT1-1/2
–	LSQ-FF-16	251.7	98.5	85	75	G2 NPT2

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

hydraulic coupling

Can hydraulic couplings handle both angular and axial misalignments simultaneously?

By accommodating both angular and axial misalignments, hydraulic couplings offer several advantages in various applications:

Reduced Wear: Hydraulic couplings’ ability to handle misalignments helps reduce wear and tear on the shafts, bearings, and other components, prolonging the life of the equipment.
Smooth Operation: The ability to compensate for misalignments results in smoother operation and reduced vibrations, contributing to overall system performance and precision.
Overload Protection: Hydraulic couplings can provide overload protection by allowing slippage when torque exceeds the coupling’s capacity, protecting the system from damage.
Shock Absorption: In systems subject to shock loads or sudden changes in torque, hydraulic couplings can absorb and dampen these shocks, preventing damage to the equipment.
Maintenance Reduction: By minimizing stress on the system components, hydraulic couplings can help reduce maintenance requirements and downtime.

hydraulic coupling

What are some real-world examples of successful hydraulic coupling installations and their benefits?

Construction Equipment: In the construction industry, hydraulic couplings are extensively used in excavators, loaders, bulldozers, and cranes. The flexibility and high torque transmission capability of hydraulic couplings ensure smooth and precise movements of heavy machinery, improving productivity and reducing wear on mechanical components. Additionally, the leak-free connections in hydraulic systems prevent fluid loss and environmental contamination.
Industrial Manufacturing: In manufacturing plants, hydraulic couplings are commonly found in various equipment like hydraulic presses, injection molding machines, and metal forming machinery. The instant response and controllability of hydraulic systems, enabled by high-quality couplings, allow precise positioning and repeatable operations, ensuring consistent product quality and reducing material waste.
Agricultural Machinery: Hydraulic couplings play a vital role in agricultural machinery, such as tractors, harvesters, and irrigation systems. The ability to handle varying loads and pressures in hydraulic couplings ensures efficient operation in different farming tasks. Moreover, the robustness and resistance to environmental factors contribute to the longevity and reliability of the agricultural equipment.
Mobile Equipment: Mobile hydraulic applications, including waste collection trucks, fire trucks, and utility service vehicles, benefit from hydraulic couplings’ compact design and versatility. Hydraulic systems with the right couplings offer precise control, even in confined spaces, making them suitable for diverse mobile operations.
Material Handling: Hydraulic couplings are integral to material handling equipment like forklifts, conveyor systems, and pallet stackers. The smooth acceleration and deceleration provided by hydraulic couplings improve safety and handling efficiency, allowing operators to maneuver heavy loads with ease.
Offshore and Marine: In offshore and marine applications, hydraulic couplings are used in cranes, winches, and other systems. The hermetically sealed magnetic couplings, for instance, prevent fluid leakage in critical marine environments, reducing maintenance costs and minimizing the risk of contamination in sensitive marine ecosystems.

The benefits of these successful hydraulic coupling installations include:

Improved Performance: Hydraulic couplings enable precise control and efficient power transmission, resulting in improved equipment performance and productivity.
Energy Efficiency: Hydraulic couplings with reduced pressure losses and optimized fluid flow contribute to energy savings, making hydraulic systems more environmentally friendly and cost-effective.
Enhanced Safety: The reliability and leak-free operation of hydraulic couplings increase operational safety, reducing the risk of accidents and equipment failures.
Extended Equipment Lifespan: Properly selected and maintained hydraulic couplings contribute to the longevity of hydraulic systems, reducing downtime and maintenance costs.
Environmental Protection: Hydraulic couplings, especially those with non-leak designs, help prevent fluid spills and reduce the impact of hydraulic systems on the environment.

hydraulic coupling

What are the key design considerations when using hydraulic couplings in hydraulic systems?

Designing hydraulic systems with hydraulic couplings requires careful consideration of various factors to ensure optimal performance, reliability, and safety. Here are the key design considerations:

Fluid Compatibility: Select hydraulic couplings made from materials compatible with the hydraulic fluid used in the system. Incompatible materials may lead to chemical reactions, corrosion, or degradation of the coupling, affecting its performance and service life.
Pressure Rating: Ensure that the hydraulic coupling has an adequate pressure rating to handle the maximum operating pressure of the hydraulic system. Using a coupling with a lower pressure rating may lead to failure and system leaks.
Temperature Range: Consider the temperature range in which the hydraulic system will operate. Choose a hydraulic coupling that can withstand the minimum and maximum temperatures without deformation or loss of performance.
Torsional Stiffness: Evaluate the required torsional stiffness of the coupling based on the system’s torque demands. A coupling with insufficient torsional stiffness may lead to excessive vibrations and decreased system accuracy.
Misalignment Compensation: Hydraulic couplings should be able to accommodate misalignments between the driving and driven shafts. Consider the angular, radial, and axial misalignment capacity of the coupling to prevent excessive stress on the system components.
Speed and Torque Requirements: Determine the speed and torque demands of the hydraulic system. Choose a coupling that can handle the required torque and rotational speed to ensure efficient power transmission.
Environmental Conditions: Factor in the environmental conditions the hydraulic system will be exposed to, such as moisture, dust, chemicals, or extreme temperatures. Select a coupling with appropriate coatings or materials to withstand these conditions.
Overload Protection: Consider whether overload protection is necessary for the hydraulic system. Some hydraulic couplings offer built-in overload protection features, which can be beneficial in preventing damage during unexpected load spikes.
Installation and Maintenance: Choose a hydraulic coupling that is easy to install and maintain. Accessible coupling designs simplify inspection and servicing, reducing downtime and maintenance costs.
Size and Weight: Consider the available space and weight constraints in the system. Opt for a hydraulic coupling that fits within the available space and meets the weight limitations without compromising performance.

By carefully considering these design considerations and selecting the appropriate hydraulic coupling, designers can ensure a reliable and efficient hydraulic system that meets the specific requirements of the application. Regular maintenance and proper coupling installation also play a crucial role in prolonging the life and performance of the hydraulic system.

China Good quality Lsq-FF Close Type Hydraulic Quick Coupling
editor by CX 2024-04-17

China Best Sales Custom Made Hydraulic Quick Release Tyre Coupling

Product Description

UL Type Tyre Coupling

UL tyre coupling is an elastic coupling with high performance, because of the elastic element is as a whole tire body, the tire coupling has good shock damping and the shaft offset compensation performance, absorbing excellent and convenient assembly and disassembly, no lubrication, easy maintenance, long life and other advantages. The working temperature of tyre coupling -20~80 degrees Celsius, transmitting torque 10~20000N.M, tyre coupling, suitable for wet dust, shock, vibration, reversing the changeable and frequent starting work environment.

♦UL Type Tyre Coupling Main Dimension And Characteristic Parameter (GB/T5844-2002)

Type	Nominal torque	Instantaneous maximum torque	Speed		Diameter of shaft hole(d)		Length of shaft hole(L)		D	B	Mass	Rotary inertia	Limited compensation
			rpm		mm
	N·m	N·m	Steel	Iron	Steel	Iron	J,J₁ type	Y type	mm		kg	kg·m²	Axial	Radial	Angle
UL1	10	31.5	5000	3500	11	11	22	25	80	20	0.7	0.0003	1.0	1.0	1º
					12,14	12,14	27	32
					16,18	16	30	42
UL2	25	80	5000	3000	14	14	27	32	100	26	1.2	0.0008
					16,18,19	16,18,19	30	42
					20,22	20	38	52
UL3	63	180	4500	3000	18,19	18,19	30	42	120	32	1.8	0.0571	1.6	2.0
					20,22,24	20,22	38	52
					25	–	44	62
UL4	100	315	4300	3000	20,22,24	20,22,24	38	52	140	38	3	0.004
					25,28	25	44	62
					30	–	60	82
UL5	160	500	4000	3000	24	24	38	52	160	45	4.6	0.0084	1.6	2.0
					25,28	25,28	44	62
					30,32,35	30	60	82
UL6	250	710	3600	2500	28	28	44	62	180	50	7.1	0.0164
					30,32,35,38	30,32,35	60	82
					40	–	84	112
UL7	315	900	3200	2500	32,35,38	32,35,38	60	82	200	56	10.9	0.571	2.0	2.5	1º
					40,42,45,48	40,42	84	112
UL8	400	1250	3000	2000	38	38	60	82	220	63	13	0.0448	2.5	3.0	1º
					40,42,45,48,50	40,42,45	84	112
UL9	630	1800	2800	2000	42,45,48,50,55,56	42,45,48,50,55	84	112	250	71	20	0.571			3.6º
					60	–	107	142
UL10	800	2240	2400	1600	45,48,50,55,56	45,48,50,55,56	84	112	280	80	30.6	0.1596	3.0	3.6	1º30′
					60,63,65,70	60,63,65	107	142
UL11	1000	2500	2100	1600	50,55,56*	50,55,56*	84	112	320	90	39.0	0.2792
					60,63,65,70,71,75	60,63,65	107	142
UL12	1600	4000	2000	1600	55,56	55,56	84	112	360	100	59	0.5356	3.6	4.0
					60,63,65*,70,71,75	60,63,65*,70,71,75	107	142
					80,85	80	132	172
UL13	2500	6300	1800	1600	63,65,70,71,75*	63,65,70,71,75*	107	142	400	110	81	0.896	4.0	4.5
					80,85,90,95	80,85,90,95	132	172
UL14	4000	10000	1600	1400	75*	75*	107	142	480	130	145	2.2616		5.0
					80,85,90,95	80,85,90,95	132	172
					100,110	100,110	167	212
UL15	6300	14000	1200	1120	85,90,95*	90,95	132	172	560	150	222	4.6456	5	5.6	1º30′
					100,110,120,125	100,110,120,125	167	212
UL16	10000	20000	1000	1000	100,110,120,125	100,110,120,125	167	212	630	180	302	8.0924	5	6.0
					130,140	130,140	202	252
UL17	16000	31500	900	850	120,125	–	167	212	750	210	561	20.018		6.7	1º30′
					130,140,150*	130,140,150*	202	252
					160*	160*	242	302
UL18	25000	59000	800	750	140,150	–	202	252	900	250	818	43.053		8.0
					160,170,180*	160,170,180*	242	302

Note:
1.Shaft hole diameter with * is J type shaft hole that is permitted by the structure.(GB/T3852-2008)
2.Mass and rotary inertia of coupling are approximations of the maximum values of each type.

♦Product Show

♦Other Products List

Transmission Machinery Parts Name	Model
Universal Coupling	WS,WSD,WSP
Cardan Shaft	SWC,SWP,SWZ
Tooth Coupling	CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK
Disc Coupling	JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling	LM
Chain Coupling	GL
Jaw Coupling	LT
Grid Coupling	JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.

♦Our Services
1.Design Services
Our design team has experience in Cardan shafts relating to product design and development. We are here to offer our support if you have any needs for your new product or wish to make further improvements.

2.Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop new models when there are new cars in the market.

5.Quality Control
Every step should be a special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you a trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have a very good price principle, when you make the bulk order the cost of the sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 6: What is the MOQ?
A: Usually our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 9: What’s your payment?
A:1) T/T.

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

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hydraulic coupling

What materials, such as steel or brass, are commonly used in manufacturing hydraulic couplings?

Hydraulic couplings are manufactured using a variety of materials, and the choice of material depends on the specific application requirements and the operating conditions of the hydraulic system. Some common materials used in manufacturing hydraulic couplings include:

Steel: Steel is one of the most widely used materials for hydraulic couplings due to its excellent strength, durability, and resistance to wear and corrosion. Carbon steel, stainless steel, and alloy steel are commonly used to manufacture hydraulic couplings for a wide range of applications.
Brass: Brass is another popular material for hydraulic couplings, especially in low-pressure and non-corrosive environments. Brass couplings offer good conductivity and are commonly used in fluid systems that require electrical grounding.
Aluminum: Aluminum couplings are lightweight and have good corrosion resistance. They are often used in applications where weight reduction is critical, such as aerospace and marine industries.
Cast Iron: Cast iron couplings provide high strength and durability, making them suitable for heavy-duty industrial applications with higher pressures and temperatures.
Stainless Steel: Stainless steel couplings are preferred for applications where resistance to corrosion and chemical exposure is essential. They are commonly used in the food and pharmaceutical industries.
Plastics: Some hydraulic couplings are made from various plastics, such as polypropylene or nylon. Plastic couplings are lightweight, corrosion-resistant, and suitable for low-pressure applications.
Bronze: Bronze couplings offer good corrosion resistance and are commonly used in marine and offshore applications.
Titanium: Titanium couplings are used in specialized applications where high strength and corrosion resistance are required, such as in the chemical and petrochemical industries.

Each material has its advantages and limitations, and the selection of the appropriate material depends on factors such as the operating pressure, temperature, chemical compatibility, weight requirements, and cost considerations of the specific hydraulic system.

Manufacturers of hydraulic couplings provide detailed specifications and material options for their products, enabling users to choose the most suitable coupling material for their application needs.

hydraulic coupling

Can hydraulic couplings be retrofitted into existing hydraulic systems for improved performance?

Yes, hydraulic couplings can be retrofitted into existing hydraulic systems to enhance performance, improve reliability, and address specific system requirements. Retrofitting hydraulic couplings can be a cost-effective way to upgrade older systems without the need for extensive modifications or complete replacements.

Retrofitting hydraulic couplings may be beneficial for several reasons:

Improved Efficiency: Upgrading to modern hydraulic couplings with better design features can reduce energy losses and improve overall system efficiency. For example, switching from older, less efficient couplings to newer, more streamlined designs can optimize fluid flow and reduce pressure drop.
Leak Reduction: Older hydraulic systems may experience fluid leaks due to worn-out or damaged couplings. Retrofitting with new, high-quality couplings equipped with advanced sealing technologies can significantly reduce the risk of leaks, leading to better system reliability and environmental safety.
Higher Pressure and Flow Capabilities: Newer hydraulic couplings may offer higher pressure and flow ratings, allowing the system to handle increased demands or heavier loads. This can be crucial for applications that require more power and performance.
Material Compatibility: In some cases, existing hydraulic systems may have components made from materials that are not compatible with certain hydraulic fluids. Retrofitting with appropriate couplings can ensure compatibility and prevent corrosion or other fluid-related issues.
Space Constraints: Modern hydraulic couplings often come in more compact designs, which can be advantageous for systems with limited space. Retrofitting with smaller couplings may allow for better system integration and improved layout.
Environmental Compliance: Retrofitting hydraulic couplings can help align the system with current environmental regulations and industry standards, reducing the risk of potential fines or non-compliance issues.

Before retrofitting hydraulic couplings, careful evaluation of the existing system is necessary to ensure compatibility and identify specific areas for improvement. Factors such as thread type, size, pressure rating, flow capacity, and material compatibility must be considered to select the appropriate couplings for the retrofit.

It’s essential to consult with hydraulic coupling manufacturers or experienced fluid power professionals when planning a retrofit. They can provide guidance on suitable coupling options and recommend the necessary modifications or adjustments to optimize system performance.

In conclusion, retrofitting hydraulic couplings into existing hydraulic systems can be a viable solution for enhancing performance, reducing leaks, and achieving better overall efficiency and reliability. It allows businesses to leverage the latest advancements in hydraulic coupling technology to extend the lifespan and improve the functionality of their existing hydraulic systems.

hydraulic coupling

Can you explain the working principle of a hydraulic coupling and its advantages over other coupling types?

A hydraulic coupling operates based on the principle of hydraulic fluid transmission to transfer power from one shaft to another. It consists of two main parts: the input (driving) element and the output (driven) element, both of which have specially designed vanes or blades submerged in hydraulic fluid.

When the input element rotates, it creates a flow of hydraulic fluid around the vanes. The fluid flow generates pressure on the output element, causing it to start rotating. This pressure difference between the input and output elements facilitates the transfer of torque and power from the driving shaft to the driven shaft.

The working principle of a hydraulic coupling allows it to accommodate misalignments and torsional vibrations. It effectively isolates shock loads, provides overload protection, and dampens vibrations, making it ideal for various industrial applications.

Advantages of hydraulic couplings over other coupling types include:

Misalignment Tolerance: Hydraulic couplings can handle significant shaft misalignments, reducing wear and tear on the system and prolonging the life of the components. Other coupling types may have limitations in this regard.
Vibration Damping: Hydraulic couplings can effectively dampen vibrations, preventing damage to connected equipment and promoting smoother operation. This advantage is especially critical in precision machinery and applications where vibrations can affect accuracy and performance.
Overload Protection: Hydraulic couplings offer built-in overload protection. When the torque exceeds a certain threshold, the fluid coupling slips or disengages, preventing damage to the system and its components. Other coupling types may not have this automatic overload protection.
Smooth Start-up: Hydraulic couplings provide gradual power transmission during start-up, which helps minimize shock and stress on the system. This feature is beneficial for systems with heavy loads or delicate components.
Quiet Operation: Due to their vibration-damping properties, hydraulic couplings contribute to quieter operation, reducing noise levels in the machinery compared to some other coupling types.
Wide Range of Applications: Hydraulic couplings are suitable for a wide range of industrial applications, including heavy machinery, mining equipment, conveyors, pumps, and more. Their adaptability and robust performance make them a popular choice in various industries.

While hydraulic couplings offer many advantages, the selection of the appropriate coupling type ultimately depends on the specific requirements of the application, such as torque, speed, misalignment, and environmental conditions. Properly choosing and maintaining the coupling can significantly improve the efficiency, reliability, and overall performance of fluid power transmission systems in industrial settings.

China Best Sales Custom Made Hydraulic Quick Release Tyre Coupling
editor by CX 2024-04-16

China Best Sales Drawing Customized Stainless Steel Pipe Fiffing Hydraulic Investment Casting Quick Connector Coupling

Product Description

ABOUT US
HangZhou Suijin machinery Technology Co,.Ltd is a profational manufacturer in HangZhou city, our main process is investment casting/precision casting and machining, for casting process, we have 2 kinds of production line, 1 is precision casting, another is water glass with competitive cost.

Apart from the investment casting workshop and machine workshop, we also provide the CHINAMFG parts to meet the requirement for varial demand from our customer.

CERTIFICATIONS
Our company got the ISO9001 and IATF16949 certification, and aslo we are awarded the new high-tech enterprice by Chinese government, and we have more than 20 patent.

ADVANTAGES
• More than 10 years experience on casting and machining
• Advanced inspection equipment to ensure the tolerance
• Flexible PO QTY to meet customer demand
• Professional engineers in casting and machining
• Competitive price and exllent parts quality
• Nearby HangZhou port, on-time delivery

PROCESS FLOW

OEM&ODM SERVICE
HangZhou suijin machinery technology can provide the ODM&OEM service for customer, and main is ODM, we can manufacturing the customized parts according to 2D&3D, we have professional R&D team can take part in ealier development phase of the project.

AVALIABLE MATERIA & SURFACE TREATMENT

Avaliable Material
Carbon Steel	Alloy Steel	High Chromium Cast Iron	Low carbon steel
Stainless Steel	Duplex Stainless Steel	Steel bar	Ductile Cast Iron
Surface treatment
Heat Treatment	Zinc Coating	Blackening	Mirror Polishing
Satin Polishing	Electrolytic Polishing	Shot Peening	DACROMET

PRODUCT APPLICATION
AUTO PARTS

• Exhaust inlet/outlet cone • Shift sleeve • Fuel rail bracket
• Tempreture sensor boss   • Mounting Brackets     • Oxygen sensor boss
• Brake balance block   • EGR sensor boss      • Exhaust valve body

ARCHITECTURAL HARDWARE

• Mounting Base • Mounting plate    • Bearing Covers
• Coupling • Grount sleeve   • Sprockets
• Handle • law glass curtain wall accessories    • Side Plates
AGRICULTURAL MACHINERY PARTS

• Tooth Blocks    • Track shoes • Bucket Teeth
• Track Links • Clamping • Mounting Brackets
• Lifting Eyes • Quick Joint • Trencher Tooth

MARINE HARDWARE
• Star handle   • Door hinge   • Folding Dock Cleat
• Mirror Polished Mooring • Hollow base boat rope cleat • Mounting Brackets

VALAVE/PUMP

• Valve body • Explosion-proof valves • Pipe fitting

OTHERS
The casting part is wildly use in the industries, such as rail&transit parts, bicycle parts, casting impeller, food machine sorting components, solar mounting system parts, container safety parts, Electronic lock body, robot parts and so on, we have more than 20 patents related to this kinds of project in production.

ADVANCED EQUIPMENTS

Our company also equiped advance inspection equipment to meet the inspection requirement of the parts, so that we can sure the part can have a good quality.

MAIN EQUIPMENT LIST

Magnetic defect inspection	Spectrometer	HB hardness inspection	Mechanical inspection
Ultrasonic defect inspection	Roughness tester	HR hardness inspection	CMM inspection
Metallographic detector	X-ray inspection	Dye penetrant inspection	100% Thread inspection

FAQ

Q1	Are you factory or trading company?
A1	We are factory located in HangZhou city, China
Q2	What kinds of language is avaliable?
A2	English, Chinese, except email cummunication, we are ok with video meeting and calling.
Q3	How should I place an order?
A3	We are receive the PO and production drawing by email.
Q4	Which shipping methed is ok for you?
A4	Normally shipping by sea and train is use for mass production order delivery. DHL,TNT,FedEx, UPS,EMS air shipment is use for sample delivery.
Q5	How can I contact you?
A5	You can contact us by email, and also we can chat by Skype, Teams, WhatsApp, Facebook.
Q6	What kinds of drawing format can be use?
A6	PRO/E, Auto CAD, CHINAMFG Works, IGS, UG, CAD/CAM/CAE, STEP.
Q7	Which packing material do you use for sea shipping?
A7	For sea shipping, we will packaging with European standard wooden pallet. The parts will packing with PE bag inside the carton box.
Q8	How do you deal with the RFQ?
A8	Sales receiving the RFQ—Feasiblity study meeting with R&D engineer—Feed back technical issues with Customer—Sales quoted

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

hydraulic coupling

Are there specialized hydraulic couplings for high-pressure or high-flow applications?

Yes, there are specialized hydraulic couplings designed to meet the demands of high-pressure and high-flow applications. These specialized couplings are engineered to handle the increased loads, pressures, and flow rates typically encountered in industrial settings where heavy-duty equipment and machinery are used. Here are some types of hydraulic couplings commonly used in such applications:

High-Pressure Hydraulic Couplings: High-pressure hydraulic couplings are constructed with robust materials and advanced sealing technologies to withstand extreme pressure levels. They are commonly used in hydraulic systems that operate at pressures exceeding standard hydraulic system limits. These couplings ensure reliable power transmission and prevent leakage or failure under high-pressure conditions.
Quick-Disconnect Couplings: Quick-disconnect couplings, also known as quick-release or quick-connect couplings, are designed for rapid and efficient connection and disconnection of hydraulic lines. They are prevalent in high-flow applications where frequent connections and disconnections are necessary, such as in construction equipment, agricultural machinery, and manufacturing processes.
Multi-Couplings: Multi-couplings allow the simultaneous connection of multiple hydraulic lines with a single motion. These couplings are suitable for applications with complex hydraulic circuits, such as material handling systems and mobile hydraulics. They simplify the connection process and minimize downtime during equipment setup or maintenance.
High-Flow Hydraulic Couplings: High-flow hydraulic couplings are designed to accommodate large volumetric flow rates in hydraulic systems. They feature larger passageways and flow channels to reduce pressure drop and ensure efficient fluid transfer in applications like heavy machinery, material handling, and large-scale industrial processes.
Flush Face Couplings: Flush face couplings provide a leak-free connection when connected or disconnected. They are suitable for high-pressure applications where minimizing fluid loss during connection and disconnection is critical for safety and environmental reasons.
Flat Face Couplings: Flat face couplings are ideal for high-pressure applications where cleanliness and contamination control are essential. Their flat mating surfaces prevent trapping debris during connection, making them suitable for construction equipment, mining machinery, and other rugged applications.
High-Temperature Hydraulic Couplings: High-temperature hydraulic couplings are designed to operate in extreme temperature environments, such as those encountered in hot industrial processes or near machinery generating significant heat. They use specialized seals and materials that can withstand elevated temperatures without compromising performance.

Specialized hydraulic couplings are engineered to handle the unique challenges posed by high-pressure or high-flow applications, ensuring safe, efficient, and reliable operation in demanding industrial environments. When selecting a hydraulic coupling for such applications, it’s crucial to consider factors like the specific pressure and flow requirements, environmental conditions, compatibility with the hydraulic fluid, and the overall system design to achieve optimal performance and safety.

hydraulic coupling

Can hydraulic couplings be retrofitted into existing hydraulic systems for improved performance?

Retrofitting hydraulic couplings may be beneficial for several reasons:

Improved Efficiency: Upgrading to modern hydraulic couplings with better design features can reduce energy losses and improve overall system efficiency. For example, switching from older, less efficient couplings to newer, more streamlined designs can optimize fluid flow and reduce pressure drop.
Leak Reduction: Older hydraulic systems may experience fluid leaks due to worn-out or damaged couplings. Retrofitting with new, high-quality couplings equipped with advanced sealing technologies can significantly reduce the risk of leaks, leading to better system reliability and environmental safety.
Higher Pressure and Flow Capabilities: Newer hydraulic couplings may offer higher pressure and flow ratings, allowing the system to handle increased demands or heavier loads. This can be crucial for applications that require more power and performance.
Material Compatibility: In some cases, existing hydraulic systems may have components made from materials that are not compatible with certain hydraulic fluids. Retrofitting with appropriate couplings can ensure compatibility and prevent corrosion or other fluid-related issues.
Space Constraints: Modern hydraulic couplings often come in more compact designs, which can be advantageous for systems with limited space. Retrofitting with smaller couplings may allow for better system integration and improved layout.
Environmental Compliance: Retrofitting hydraulic couplings can help align the system with current environmental regulations and industry standards, reducing the risk of potential fines or non-compliance issues.

hydraulic coupling

What are the key design considerations when using hydraulic couplings in hydraulic systems?

Designing hydraulic systems with hydraulic couplings requires careful consideration of various factors to ensure optimal performance, reliability, and safety. Here are the key design considerations:

Fluid Compatibility: Select hydraulic couplings made from materials compatible with the hydraulic fluid used in the system. Incompatible materials may lead to chemical reactions, corrosion, or degradation of the coupling, affecting its performance and service life.
Pressure Rating: Ensure that the hydraulic coupling has an adequate pressure rating to handle the maximum operating pressure of the hydraulic system. Using a coupling with a lower pressure rating may lead to failure and system leaks.
Temperature Range: Consider the temperature range in which the hydraulic system will operate. Choose a hydraulic coupling that can withstand the minimum and maximum temperatures without deformation or loss of performance.
Torsional Stiffness: Evaluate the required torsional stiffness of the coupling based on the system’s torque demands. A coupling with insufficient torsional stiffness may lead to excessive vibrations and decreased system accuracy.
Misalignment Compensation: Hydraulic couplings should be able to accommodate misalignments between the driving and driven shafts. Consider the angular, radial, and axial misalignment capacity of the coupling to prevent excessive stress on the system components.
Speed and Torque Requirements: Determine the speed and torque demands of the hydraulic system. Choose a coupling that can handle the required torque and rotational speed to ensure efficient power transmission.
Environmental Conditions: Factor in the environmental conditions the hydraulic system will be exposed to, such as moisture, dust, chemicals, or extreme temperatures. Select a coupling with appropriate coatings or materials to withstand these conditions.
Overload Protection: Consider whether overload protection is necessary for the hydraulic system. Some hydraulic couplings offer built-in overload protection features, which can be beneficial in preventing damage during unexpected load spikes.
Installation and Maintenance: Choose a hydraulic coupling that is easy to install and maintain. Accessible coupling designs simplify inspection and servicing, reducing downtime and maintenance costs.
Size and Weight: Consider the available space and weight constraints in the system. Opt for a hydraulic coupling that fits within the available space and meets the weight limitations without compromising performance.

China Best Sales Drawing Customized Stainless Steel Pipe Fiffing Hydraulic Investment Casting Quick Connector Coupling
editor by CX 2024-04-16

China best Hydraulic Quick Hose Coupling Camlock

Product Description

PRODUCT INFORMATION

Product name	Stainless steel thread pipe fittings
Material	SS201, SS304/CF8, SS316/CF8M and so on
Size	1/4”-4”&DN6-DN100
Certificate	ISO9001: 2000, CE
Pressure	150LB
Connection Ends	Socket Weld or Threaded: NPT, BSP, BSPT etc
Suitable medium	Petroleum, chemical, power, gas, water, pipeline, heat exchanger, shipbuilding, construction, high&low pressure pipeline, etc
Temperature Range	-20-300 degree C
Type	Elbow, tee, street elbow, cross, coupling, hex nipple, barrel nipple, plug, bushing, cap, union, hose nipple, welding nipple, hex. nut, etc
Our advantage	We have been worked in this area for more than 15 years, and we know each market’s request, with a good reputation among our customers, we always pursuit a high quality and best service and price
	Sample test before machining, and 100% test after the machining
	We also have a series of products such as: flanges, pipes, forged fittings, ball valves and butterfly valves; And some hardware parts such: post anchors, ground screws, and some other wooden connectors
	7 days / 24 hours online service, and fastest delivery time
	We can do OEM products
Delivery time	Usually 25 days around and can negotiate as per order qty
Shipping port	ZheJiang XIHU (WEST LAKE) DIS.G
Term of Payment	T/T, L/C, DP, etc
Package detail	Polybag+cartons+pallet / wooden case
Application	Stainless steel pipeline system, water system, petroleum system, etc

PRODUCT ADVANTAGE

1.Strong toughness, high hardness, easy to use, easy to install
2.Thicker is more durable and reliable, corrosion-resistant, explosion-proof and compression-resistant
3.Lengthen and deepen the thread, thicken the body

OUR COMPANY

HangZhou Bewin pipeline Co., Ltd is 1 of the leading companies dealing in exporting Pipes, Ball Valves, Flanges, Forged Fittings, etc.
Our product range includes: Carbon, alloy and stainless steel. Valve grades including ANSI, JIS, DIN. Pipes in various grades including API-5CT, API-5L, ASTM, ISO, DIN, GB/T. Flanges including ASME, JIS, DIN, NPT, etc.
We have advanced equipment, skilled workers and a strict QC system to ensure accurate size and high-quality products.

FAQ

Q: Are you manufacturer or trading company?
A: We are a manufacturer which was established in 2008 and have 14 years producing experience.
Q: What’s the advantage of your parts for industry products?
A: Competitive prices, high quality and fast delivery.
Q: How is your payment term?
A: Generally, our payment term is T/T 30% in advance and the balance 70% against the copy of B/L.

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hydraulic coupling

How do hydraulic couplings contribute to reducing vibrations and noise in hydraulic systems?

Torsional Flexibility: Hydraulic couplings are designed with torsional flexibility, allowing them to twist and absorb torsional vibrations that may occur during operation. As the fluid flows through the coupling, it acts as a damping medium, attenuating vibrations and minimizing their transmission to the rest of the system.
Vibration Isolation: The inherent flexibility of hydraulic couplings helps isolate vibrations between the driving and driven components of the hydraulic system. This isolation prevents vibrations from propagating through the system, reducing the overall vibration levels and promoting smoother operation.
Shock Absorption: In systems subject to sudden changes in load or pressure, hydraulic couplings can act as shock absorbers. They cushion the impact of these shock loads, preventing them from reverberating through the system and causing noise or damage to sensitive components.
Damping Characteristics: Hydraulic couplings, especially those utilizing a hydraulic fluid medium, exhibit excellent damping characteristics. The fluid dissipates energy by converting kinetic energy into heat energy, effectively reducing the system’s resonant vibrations and noise.
Smooth Power Transmission: Hydraulic couplings provide smooth power transmission between the driving and driven elements. The absence of jerks or sudden changes in torque helps in minimizing vibrations and noise generation, leading to quieter operation.
Compensation for Misalignments: Hydraulic couplings can compensate for certain misalignments between the shafts they connect. By accommodating misalignments, the couplings reduce the stress on the system components, mitigating vibrations that might arise from misalignment-induced forces.
Elimination of Metal-to-Metal Contact: In certain couplings, the use of elastomeric or flexible elements eliminates direct metal-to-metal contact between the driving and driven shafts. This reduces transmission of vibrations and noise, resulting in a quieter system.

hydraulic coupling

How do hydraulic couplings ensure efficient torque transmission and prevent fluid leaks?

High-Quality Materials: Hydraulic couplings are manufactured using high-quality materials, such as steel, stainless steel, brass, or other durable alloys. These materials offer excellent strength and wear resistance, allowing the couplings to withstand high torque and pressure loads without deforming or leaking.
Precision Machining: Hydraulic couplings undergo precise machining processes to achieve tight tolerances and smooth surfaces. This ensures proper alignment and mating of coupling components, minimizing energy losses and enhancing torque transmission efficiency.
Sealing Mechanisms: Hydraulic couplings incorporate various sealing mechanisms to prevent fluid leaks. O-rings, seals, or face seals are common sealing methods used in hydraulic couplings. When the coupling components are connected, the seals create a secure barrier, preventing hydraulic fluid from escaping the system.
Leak-Free Designs: Modern hydraulic couplings often feature leak-free designs that minimize the risk of fluid leakage during operation. These designs utilize advanced sealing technologies and tight tolerances to ensure a reliable and durable connection, even under high-pressure conditions.
Threaded Connections: Many hydraulic couplings use threaded connections, such as NPT, BSP, JIC, or SAE threads, to create a secure and leak-resistant joint. Properly tightened threaded connections maintain the integrity of the hydraulic system, reducing the likelihood of leaks.
Quick-Connect Couplings: Quick-connect hydraulic couplings are designed for rapid and easy connection and disconnection, often without the need for additional tools. These couplings use internal valves and seals to ensure a leak-free connection when engaged and prevent fluid leaks when disengaged.
Hermetically Sealed Couplings: In specific applications, hermetically sealed hydraulic couplings use magnetic coupling technology to provide a non-contact, leak-free transmission of torque and power. These couplings have no physical contact points, making them suitable for critical environments or systems handling hazardous fluids.

hydraulic coupling

What is a hydraulic coupling, and how does it function in fluid power transmission?

A hydraulic coupling is a mechanical device used in fluid power systems to transmit power from one shaft to another, often at different angles or distances. It facilitates the transfer of hydraulic energy from a prime mover, such as an electric motor or an internal combustion engine, to various hydraulic components, such as pumps, actuators, and cylinders.

The main function of a hydraulic coupling is to transmit rotational motion and power while accommodating misalignments and torsional vibrations. It acts as a link between the driving and driven shafts, ensuring that the hydraulic system operates smoothly and efficiently.

Hydraulic couplings operate based on the principle of hydraulic fluid transmission. The coupling consists of two main parts, the input (driving) and output (driven) elements, both of which have specially designed vanes or blades. These vanes are submerged in hydraulic fluid.

When the input element rotates, it creates a flow of hydraulic fluid around the vanes, which in turn generates pressure on the output element. The pressure difference between the two elements causes the output element to start rotating, effectively transmitting power from the input shaft to the output shaft.

Hydraulic couplings are advantageous in various applications due to their ability to:

Isolate Shock Loads: They can isolate and dampen shock loads and torsional vibrations, protecting sensitive components from sudden jolts and improving overall system performance.
Accommodate Misalignment: Hydraulic couplings can accommodate misalignment between the input and output shafts, reducing wear and tear on the system and extending the lifespan of the components.
Provide Overload Protection: They offer overload protection by slipping or disengaging when the torque exceeds a certain threshold, preventing damage to the system and its components.
Start-Up Assistance: Hydraulic couplings can provide smooth start-up assistance, gradually transmitting power as the fluid builds up pressure, minimizing shock and stress during system startup.
Reduce Noise and Vibration: By dampening vibrations and shock loads, hydraulic couplings contribute to quieter and smoother operation of fluid power systems.

Overall, hydraulic couplings play a critical role in fluid power transmission, ensuring efficient power transfer, protecting components from shocks and vibrations, and enhancing the overall performance and reliability of hydraulic systems in various industrial and mobile applications.

China best Hydraulic Quick Hose Coupling Camlock
editor by CX 2024-04-16

China OEM GDK-Coupling Seal 30h Type Hydraulic Coupling for Excavator Hot Sale

Product Description

GDK-Coupling Seal 30H Type Hydraulic Coupling For Excavator Hot Sale

Supply Ability

Supply Ablility:50000PCS/Month

Packaging & Delivery

Packaging Details

Inner is corrugated paper with film shrinkable. outer is carton with film wrapped.

Port: HangZhou, China

Lead Time :

Quantity(Pieces)	1 – 10000	>10000
Est. Time(days)	15	To be negotiated

More Information

Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages
before you pay the balance.

Q3. What is your terms of delivery?
A: EXW

Q4. How about your delivery time?
1) 1-2 days if goods in stock.
2) 10-20 days if goods out of stock with molding.
3) 25-35 days if goods out of stock without molding.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.

Special order: Require for other size or material,please contact us for further discussion about new mould and price.

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hydraulic coupling

Are there specialized hydraulic couplings for high-pressure or high-flow applications?

High-Pressure Hydraulic Couplings: High-pressure hydraulic couplings are constructed with robust materials and advanced sealing technologies to withstand extreme pressure levels. They are commonly used in hydraulic systems that operate at pressures exceeding standard hydraulic system limits. These couplings ensure reliable power transmission and prevent leakage or failure under high-pressure conditions.
Quick-Disconnect Couplings: Quick-disconnect couplings, also known as quick-release or quick-connect couplings, are designed for rapid and efficient connection and disconnection of hydraulic lines. They are prevalent in high-flow applications where frequent connections and disconnections are necessary, such as in construction equipment, agricultural machinery, and manufacturing processes.
Multi-Couplings: Multi-couplings allow the simultaneous connection of multiple hydraulic lines with a single motion. These couplings are suitable for applications with complex hydraulic circuits, such as material handling systems and mobile hydraulics. They simplify the connection process and minimize downtime during equipment setup or maintenance.
High-Flow Hydraulic Couplings: High-flow hydraulic couplings are designed to accommodate large volumetric flow rates in hydraulic systems. They feature larger passageways and flow channels to reduce pressure drop and ensure efficient fluid transfer in applications like heavy machinery, material handling, and large-scale industrial processes.
Flush Face Couplings: Flush face couplings provide a leak-free connection when connected or disconnected. They are suitable for high-pressure applications where minimizing fluid loss during connection and disconnection is critical for safety and environmental reasons.
Flat Face Couplings: Flat face couplings are ideal for high-pressure applications where cleanliness and contamination control are essential. Their flat mating surfaces prevent trapping debris during connection, making them suitable for construction equipment, mining machinery, and other rugged applications.
High-Temperature Hydraulic Couplings: High-temperature hydraulic couplings are designed to operate in extreme temperature environments, such as those encountered in hot industrial processes or near machinery generating significant heat. They use specialized seals and materials that can withstand elevated temperatures without compromising performance.

hydraulic coupling

Are hydraulic couplings suitable for use in hydraulic cylinders or pumps?

JIC Fittings: JIC (Joint Industry Council) fittings, which have a 37-degree flare angle, are commonly used in high-pressure hydraulic systems, including hydraulic cylinders and pumps. They provide reliable metal-to-metal sealing and are easy to assemble and disassemble.
ORFS Fittings: ORFS (O-Ring Face Seal) fittings are widely used in high-pressure hydraulic applications. They provide a robust and leak-free connection through an O-ring seal in the face of the fitting.
NPT Fittings: NPT (National Pipe Thread) fittings, with their tapered threads, are commonly used in lower-pressure hydraulic systems, providing a reliable seal with the use of thread sealants like Teflon tape.
BSP Fittings: BSP (British Standard Pipe) fittings, available in parallel (BSPP) and tapered (BSPT) threads, are widely used in European hydraulic systems.

hydraulic coupling

Are there specific pressure and temperature limits for different hydraulic coupling designs?

Jaw Couplings: Jaw couplings typically have a pressure rating ranging from 1000 psi to 5000 psi (6.9 MPa to 34.5 MPa) and can handle temperatures from -20°C to 120°C (-4°F to 248°F). These couplings are suitable for various industrial applications with moderate pressure and temperature requirements.
Disc Couplings: Disc couplings offer higher pressure and temperature capabilities compared to jaw couplings. Their pressure rating can range from 2000 psi to 6000 psi (13.8 MPa to 41.4 MPa), and they can handle temperatures between -50°C to 150°C (-58°F to 302°F). These couplings are commonly used in high-performance and precision equipment.
Fluid Couplings: Fluid couplings are suitable for applications requiring smooth start-ups and shock absorption. Their pressure limits can range from 150 psi to 3000 psi (1.03 MPa to 20.7 MPa), and they can handle temperatures from -40°C to 150°C (-40°F to 302°F). These couplings are often used in heavy machinery, such as conveyors and crushers.
Gear Couplings: Gear couplings have a higher pressure rating, typically ranging from 2500 psi to 8000 psi (17.2 MPa to 55.2 MPa), and can handle temperatures from -20°C to 150°C (-4°F to 302°F). These couplings are commonly used in heavy-duty industrial applications with high torque requirements.
Oldham Couplings: Oldham couplings have pressure limits ranging from 500 psi to 3000 psi (3.4 MPa to 20.7 MPa) and can handle temperatures between -30°C to 100°C (-22°F to 212°F). They are suitable for applications where shafts are not in perfect alignment.
Diaphragm Couplings: Diaphragm couplings offer high pressure and temperature capabilities. Their pressure rating can range from 3000 psi to 10000 psi (20.7 MPa to 68.9 MPa), and they can handle temperatures from -50°C to 200°C (-58°F to 392°F). These couplings are commonly used in high-speed and high-temperature applications like pumps and compressors.
Beam Couplings: Beam couplings typically have a pressure rating ranging from 1000 psi to 4000 psi (6.9 MPa to 27.6 MPa) and can handle temperatures between -40°C to 150°C (-40°F to 302°F). They are commonly used in precision equipment and motion control applications.

China OEM GDK-Coupling Seal 30h Type Hydraulic Coupling for Excavator Hot Sale
editor by CX 2024-04-16