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!
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.
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.
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.
editor by CX 2023-11-07
China Custom Pressure SAE6.30 Auto Fuel Line Quick Coupling for Hydraulic Pump
Product Description
Pressure SAE6.30 Auto Fuel Line 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 | |
| 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!
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.
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.
How do you select the appropriate hydraulic coupling for specific fluid handling needs?
Selecting the right hydraulic coupling for specific fluid handling needs involves considering several critical factors to ensure optimal performance and reliability. Here’s a step-by-step guide to help you make an informed choice:
- Fluid Type: Identify the type of fluid that the coupling will handle. Different fluids have varying viscosities and chemical properties, which can impact the compatibility and material selection for the coupling.
- Operating Pressure and Temperature: Determine the maximum operating pressure and temperature that the coupling will experience. Ensure that the selected coupling is rated to handle the expected pressure and temperature levels without failure or deformation.
- Torque Requirements: Calculate the required torque capacity based on the power transmission needs of your system. Choose a coupling that can handle the anticipated torque while considering safety factors.
- Misalignment Tolerance: Evaluate the potential misalignments that may occur between the shafts in your system. Choose a coupling that offers sufficient misalignment tolerance to accommodate these variations without imposing excessive stress on the equipment.
- Vibration and Shock: Consider the level of vibration and shock the coupling will experience during operation. Select a coupling that can dampen vibrations and absorb shocks to protect the system components and ensure stable performance.
- Installation and Maintenance: Assess the ease of installation and maintenance requirements of the coupling. A well-designed coupling should be easy to install, inspect, and maintain, reducing downtime and maintenance costs.
- Environmental Factors: Take into account the environmental conditions in which the coupling will operate. Factors such as exposure to moisture, chemicals, dust, or extreme temperatures may affect the choice of coupling materials and coatings.
- Space Constraints: Consider the available space for installing the coupling. Some applications may have limited space, necessitating the use of compact or low-profile couplings.
- Coupling Type: Based on the above considerations, choose the most suitable coupling type for your specific fluid handling needs. Consider options such as jaw couplings, disc couplings, fluid couplings, gear couplings, or other specialized couplings based on your application requirements.
It’s essential to consult with coupling manufacturers or industry experts if you have specific or challenging application requirements. They can provide valuable insights and recommendations to ensure you select the right hydraulic coupling that meets your fluid handling needs and maximizes the efficiency and reliability of your system.
editor by CX 2023-11-07
China OEM Sch40 Carbon Steel Pipe Fittings 90 Elbows Hydraulic Adapter/Carbon Steel Pipe Coupling, Available in Various Colors/Sizes Q195 Low Carbon Steel Pipe
Product Description
Product Description
We can cut the seamless steel pipe into the length you demand, and can make the surface to be bright by milling and grinding at the Lathe, and can grind the outer diameter and wall thickness to be the dimension you demand.If the sizes are not available from the standard common stock sizes, and the quantity are not enough for the new production, then we need process the stock larger seamless pipes into the sizes you need. And we also can make steel pipes deep processing.
Product Parameters
| Product Name | Carbon Steel Seamless Pipe and Tube |
| Fabrication Standard | API 5L/5CT ASTM A53 A252 A500 EN15717 EN15719 |
| Material Grade | GR. A/B x42 x52 x65 GR.2 GR.3 S235 S355 |
| Out Diameter | DN100 – DN2500 |
| Wall Thickness | 3mm – 50mm |
| Length | max 75 Mtr |
| Surface | bare or with coating |
| Coating | FBE, 3LPP, 3LPE, Epoxy, Coal Tar Expoxy |
| Package | by piece or in bundles |
| Minimum Order Quantity | 5 Tons |
| EZS Advantage | 1.regular sizes in stock over 2000 tons for immediate delivery 2.small quantity with factory rate 3.quality certificate as per EN15714 3.1b issued by manufacturer 4.expert technical and export/import document consultant and support 5. on-time response by email, , website and online messages |
Detailed Photos
Company Profile
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.
What are the standard sizes and thread types available for hydraulic couplings?
Hydraulic couplings come in a variety of sizes and thread types to accommodate different hydraulic system requirements. The standard sizes and thread types are specified based on industry standards and regional norms. Here are some common standard sizes and thread types for hydraulic couplings:
- Thread Types:
- NPT (National Pipe Thread): NPT is a widely used thread type in North America. It has a tapered thread design and requires thread sealants like Teflon tape to ensure a leak-free connection.
- BSP (British Standard Pipe): BSP is commonly used in Europe and many other parts of the world. It can have parallel (BSPP) or tapered (BSPT) threads and often requires thread sealants for a secure connection.
- JIC (Joint Industry Council): JIC threads have a 37-degree flare angle and are prevalent in hydraulic systems. They provide a reliable metal-to-metal seal without the need for thread sealants.
- SAE (Society of Automotive Engineers): SAE threads are commonly used in mobile hydraulic applications. They have a 45-degree flare angle and offer excellent sealing capabilities.
- ORFS (O-Ring Face Seal): ORFS fittings feature a flat face with an O-ring seal. They are suitable for high-pressure applications and provide a reliable leak-free connection.
- Standard Sizes:
- Hydraulic couplings are available in various standard sizes, typically measured in inches or millimeters. Common sizes for hydraulic couplings include 1/4″, 3/8″, 1/2″, 3/4″, 1″, and 1 1/4″ for smaller couplings and up to larger sizes like 2″, 2 1/2″, and 3″ for heavy-duty industrial applications.
- Metric sizes, such as 6 mm, 10 mm, 12 mm, 16 mm, and 20 mm, are also commonly used in hydraulic systems, especially in countries that follow the metric system.
- Some specialized hydraulic systems may require custom sizes to meet specific application needs.
It’s important to note that while these thread types and sizes are commonly used, there may be other proprietary or industry-specific thread types and sizes depending on the manufacturer or application requirements. When selecting hydraulic couplings, it’s essential to ensure that the chosen couplings match the thread type and size of the corresponding components in the hydraulic system to ensure a proper and secure connection.
Hydraulic coupling manufacturers often provide detailed specifications and technical information about their products, including the available thread types and sizes, to help users select the right couplings for their specific hydraulic system needs.
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.
editor by CX 2023-10-09
China factory China Factory BSPP NPT Pipe Thread Stainless Steel Hydraulic ISO Flat Face Connector Quick Coupling
Product Description
Product Description
|
Our advantage |
1. High quality. 2. A lot of stock. 3. Prompt delivery. 4. Factory. Products produced by ourselves. |
|
Delivery time |
About 1 month if do not have stock. |
|
Customize service |
We can produce according to your drawings and samples. |
|
Packing details |
Nylon plastic + corrugated carton + pallet |
Company Profile
HangZhou HangZhou Industry & Trade Co., Ltd is a special manufacturer of hydraulic hose assembly, hydraulic hose fittings ,transition joint and other hardware fittings .Such as hose ferrule ,hose nipple ,hose coupling, hose union, hose SAE flange, bushing, plug, hex nut and bolt,elbow ,tee ,hose clamp, etc are all our products .We had been in this production line ,our products have goes to everywhere around the world ,Asia, Europe, the Middle East, Africa, South America and North America,etc.We have advanced numerical control machine equipment and are able to produce SAE,BSP,BSPT,JIC,ORFS,NPT,JIS ,Metric, etc standard thread products to meet your market needs .No matter it is standard or non-standard or according your drawings ,we also can satisfy you. Before the goods leave our company ,we will test them 1 by 1 .We always believe the quality is the soul and life of the company, the mutual benefit and the CHINAMFG are the guiding light of the company, and the good service and the special attitude can keep us stand stable and longer in the market .Get into it, keep it on, make it better, we always insist and pursue. So don’t hesitate ,now put your trial order at once ,the value of our products worth every coin of you and we worth the reliable of you.
Packaging & Shipping
FAQ
Q1. Are you factory or trading company?
A:We are a manufacturer with independent import and export rights.
Q2. How is the quality of your products?
A:At this point, you can rest assured that we have a complete production management system with a high product qualification rate and will conduct quality inspections on the products produced.
Q3. What is your advantage?
A:Our advantage lies in strong control of product quality, strong productivity, short delivery cycle, etc.
Q4: Do you have products in stock?
Yes, for most porducts, we have.
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.
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.
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.
editor by CX 2023-10-09
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