China Best Sales CHINAMFG Customized Variable Speed Fluid Coupling, Hydraulic Fluid Coupling

Product Description

Densen Customized variable speed fluid coupling,hydraulic fluid coupling,limited torque fluid coupling

Product Name	Variable speed fluid coupling,hydraulic fluid coupling,limited torque fluid coupling
DN mm	12~160mm
Rated Torque	25~25000 N·m
Allowable speed	15300~1500 N·m
Material	35CrMo/ZG270/45# steel/Aluminum alloy
Application	Widely used in metallurgy, mining, engineering and other fields.

Product show

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 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 Best Sales CHINAMFG Customized Variable Speed Fluid Coupling, Hydraulic Fluid Coupling
editor by CX 2024-04-23

China supplier 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

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 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.

China supplier 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 2024-04-23

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.

/* 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 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

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

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 Sales Pin and Bush Coupling FCL Type Standard Hydraulic Flexible Coupling
editor by CX 2024-04-22

China supplier 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

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

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

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 supplier Lsq-FF Close Type Hydraulic Quick Coupling
editor by CX 2024-04-22

China factory Bucket Couplings for Excavator Bucket Hydraulic Quick Connector Sk200

Product Description

HEADLINE	Bucket Couplings for Excavator bucket hydraulic quick connector sk200
PART NAME	Hook Excavator
PART NUMBER	HGWF2018 / Customized
MATERIAL	Q345B, 40Cr.
FEATURES	1/ OEM, according to customer’s demand, can match most Brands machines 2/ High steel toughness and good CHINAMFG resistance for hard environment. 3/ Multi-purpose and easy for operating. 4/ High Standard components and parts.
PRODUCT APPLICATION	Machinery Repair Shops, Manufacturing Plant, Farms, Construction works , Energy & Mining.
MANUFACTURING PROCESS	Fabrication Welding.
MOQ	1 set (It is able to provide a few samples first time)
PACKAGE	Pallet or Wooden case.
PAYMENT TERM	T/T, Western Union.
DELIEVERY TIME	Within 7 workdays according to your order.
TRANSPORTATION	DHL/FEDEX/UPS/TNT/ARAMEX, AIR & SEA

CHINAMFG always persist in the principle of “Integrity Based, Customers Top”, giving great care to the overall processes such as from production, quoting, purchasing to packing and transporting. What we are pursuing is not just profit margin, but rather a lasting CHINAMFG partnership with you. Our professional team serve to customers from all over the worlds. We adhere to the concept of “Quality first, create the best” is increasing the value to customers and partners. Our key advantage over other is our attitude toward quality. We know what′s right, and not what just good enough. This is reflected in our quick response, technical analyze of drawings, proactive approach in passing on our production experience to help clients reduce cost and improve designs. In Foreign Trade Department we also cooperate with the best and most experienced factories with approved ISO 9001 in China. We work closely with these factories to offer quick delivery and quality service to our customers. We can help you stock a parts warehouse with quality factory parts for dealer service after the sale. If you are a distributor or dealer, please ask about our program to help build a parts warehouse for your company. CHINAMFG have a close relationship with these factories and can supply mixed product shipping if necessary.

Hiugong’s Cooperated Brands include: XCMG, Sany, Zoomlion, Liugong, Lonking, Shantui, XGMA, Sunward, Lovol, Sem, Yuchai, Xihu (West Lake) Dis.n, Weichai, SDLG, YTO. Caterpillar, KOMATSU, HITACHI, CHINAMFG Construction Equipment, Liebherr, DOOSAN, John Deere, JCB, Terex, Sandvik, Wirtgen, Kobelco, Hyundai.

/* 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 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

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

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 factory Bucket Couplings for Excavator Bucket Hydraulic Quick Connector Sk200
editor by CX 2024-04-22

China best Nhf100 Hydraulic Safety Coupling with Flange

Product Description

NHF Hydraulic Safety Coupling With Flange

Description of NHF Hydraulic Safety Coupling With Flange
1.Simple and convenient assembly and disassembly;
2.No keyway and thrust ring are required on the shaft;
3.The stress on the entire contact surface is relatively uniform, and the stress concentration is not obvious;
4.When the vibration load of the shaft system changes, the shaft will not be worn;
5.The position of the coupling on the shaft is easy to ensure, and the connection accuracy is high;
6.Can be used repeatedly, with high interchangeability.

Dimensions of NHF Hydraulic Safety Coupling With Flange

	d	D	L	L1	Df	Dc	R	t	n	ds	Mt	Mass
	mm	mm	mm	mm	mm	mm	mm	mm		mm	kNm	kg
NHF100	100	170	215	40	265	230	9	21	8	19	26	26
NHF110	110	186	235	45	295	255	10	23	8	21	35	34
NHF120	120	202	250	50	315	275	11	25	8	23	46	42
NHF130	130	218	270	55	340	295	11	27	8	25	58	52
NHF140	140	234	290	60	355	310	12	29	10	24	72	64
NHF150	150	250	300	60	380	335	13	31	10	26	89	75
NHF160	160	266	320	65	405	355	14	33	10	28	108	91
NHF170	170	282	340	70	430	375	15	35	10	30	130	108
NHF180	180	298	355	75	440	390	15	37	12	29	154	124
NHF190	190	314	375	80	465	410	16	39	12	30	181	145
NHF200	200	330	390	80	490	435	17	41	12	32	211	167
NHF210	210	346	410	85	515	455	18	43	12	33	244	193
NHF220	220	362	425	90	535	475	19	45	12	35	281	219
NHF230	230	378	445	95	560	495	19	47	12	37	321	249
NHF240	240	394	465	100	580	515	20	49	12	38	365	282
NHF250	250	410	475	100	605	535	21	51	12	40	412	313
NHF260	260	426	495	105	630	560	22	53	12	42	464	352
NHF270	270	442	515	110	655	580	23	55	12	43	519	394
NHF280	280	458	530	115	675	600	23	57	12	45	579	434
NHF290	290	474	550	120	700	620	24	59	12	46	644	483
NHF300	300	490	565	120	720	640	25	61	12	48	713	528
NHF310	310	506	580	125	750	665	26	63	12	50	786	582
NHF320	320	522	600	130	770	685	27	65	12	51	865	638
NHF330	330	538	620	135	795	705	27	67	12	53	948	700
NHF340	340	554	635	140	815	725	28	69	12	54	1037	759
NHF350	350	570	650	140	840	745	29	71	12	56	1131	823
NHF360	360	586	670	145	835	750	30	73	16	50	1231	878

	d	D	L	L1	Df	Dc	R	t	n	ds	Mt	Mass
	mm	mm	mm	mm	mm	mm	mm	mm		mm	kNm	kg
NHF370	370	602	690	150	855	770	31	75	16	51	1337	951
NHF380	380	618	705	155	880	790	31	77	16	53	1448	1026
NHF390	390	634	725	160	900	810	32	79	16	54	1565	1108
NHF400	400	650	740	160	930	835	33	81	16	56	1689	1194
NHF410	410	666	755	165	950	855	34	83	16	57	1819	1277
NHF420	420	682	775	170	975	875	35	85	16	58	1955	1376
NHF430	430	698	795	175	995	895	35	87	16	60	2098	1474
NHF440	440	714	810	180	1571	915	36	89	16	61	2248	1574
NHF450	450	730	825	180	1040	935	37	91	16	63	2405	1674
NHF460	460	746	845	185	1060	955	38	93	16	64	2569	1787
NHF470	470	762	860	190	1085	975	39	95	16	65	2740	1900
NHF480	480	778	880	195	1105	995	39	97	16	67	2918	2571
NHF490	490	794	900	200	1130	1015	40	99	16	68	3105	2156
NHF500	500	810	910	200	1150	1035	41	101	16	70	3299	2267
NHF510	510	826	930	205	1175	1055	42	103	16	71	3501	2411
NHF520	520	842	950	210	1195	1075	43	105	16	72	3711	2554
NHF530	530	858	965	215	1220	1095	43	107	16	74	3929	2698
NHF540	540	874	985	220	1240	1115	44	109	16	75	4155	2852
NHF550	550	890	1000	220	1270	1140	45	111	16	77	4391	3014
NHF560	560	906	1571	225	1290	1160	46	113	16	78	4634	3180
NHF570	570	922	1035	230	1310	1180	47	115	16	79	4887	3338
NHF580	580	938	1055	235	1335	1200	47	117	16	81	5149	3524
NHF590	590	954	1075	240	1355	1220	48	119	16	82	5420	3708
NHF600	600	970	1085	240	1380	1240	49	121	16	84	5700	3877
NHF610	610	986	1105	245	1400	1260	50	123	16	85	5990	4072
NHF620	620	1002	1125	250	1425	1280	51	125	16	86	6289	4284
NHF630	630	1018	1140	255	1445	1300	51	127	16	88	6599	4477
NHF640	640	1034	1160	260	1465	1320	52	129	16	89	6918	4692
NHF650	650	1050	1175	260	1495	1345	53	131	16	91	7247	4917
NHF660	660	1066	1190	265	1515	1365	54	133	16	92	7587	5128
NHF670	670	1082	1210	270	1540	1385	55	135	16	93	7937	5375
NHF680	680	1098	1230	275	1560	1405	55	137	16	95	8298	5618
NHF690	690	1114	1245	280	1585	1425	56	139	16	96	8669	5860
NHF700	700	1130	1260	280	1605	1445	57	141	16	98	9052	6097

/* 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?

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

How do you select the appropriate hydraulic coupling for specific fluid handling needs?

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.

China best Nhf100 Hydraulic Safety Coupling with Flange
editor by CX 2024-04-22

China best O-Ring Metric Femame Hydraulic Hose Coupling Carbon Steel Material (H772)

Product Description

O–Ring Metric Femame Hydraulic Hose Coupling

Material: Carbon steel, stainless steel, brass hose fitting
Size: 8-42mm
Thread: JIC, NPT, BSP

Straight connection, 90 elbow, 45 elbow, tee etc

Packing	Carton+Pallet
Payment term	T/T,L/C at sight
Delivery time	30 days
Origin	China
M.O.Q	500pcs for 15mm
Transportation	By sea or air
Technics
Material	carbon steel , stainless steel
Connection	Thread

Production

Product Testing

Main Products

FAQ

/* 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

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.

China best O-Ring Metric Femame Hydraulic Hose Coupling Carbon Steel Material (H772)
editor by CX 2024-04-19

China Best Sales Professional Factory Selling Hydraulic Pump Parts Pumping Parts Stainless Steel Shaft Coupling Rod

Product Description

Name	Coupling rod
Material	Steel
Shape	Non-standard
Surface	Grinding and polishing
Production cycle	20-60days
Length	Any
Diameter	Any
Tolerance	±0.001
Warranty	1 year
Serve	OEM&ODM&Design service

Company Profile

HangZhou Xihu (West Lake) Dis. Machinery Manufacture Co., Ltd., located in HangZhou, “China’s ancient copper capital”, is a “national high-tech enterprise”. At the beginning of its establishment, the company adhering to the “to provide clients with high quality products, to provide timely service” concept, adhere to the “everything for the customer, make customer excellent supplier” for the mission.

Certifications

Q: Where is your company located ?
A: HangZhou ZheJiang .
Q: How could l get a sample?
A: Before we received the first order, please afford the sample cost and express fee. we will return the sample cost back
to you within your first order.
Q: Sample time?
A: Existing items: within 20-60 days.
Q: Whether you could make our brand on your products?
A: Yes. We can print your Logo on both the products and the packages if you can meet our MOQ.
Q: How to guarantee the quality of your products?
A: 1) stict detection during production. 2) Strict completely inspecion on products before shipment and intact product
packaging ensured.
Q: lf my drawings are safe?
A: Yes ,we can CHINAMFG NDA.

/* 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?

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

Where can I find reputable suppliers or manufacturers of hydraulic couplings for my specific hydraulic system requirements?

Finding reputable suppliers or manufacturers of hydraulic couplings is essential to ensure the quality, performance, and compatibility of the couplings with your specific hydraulic system requirements. Here are some methods and sources to help you locate reliable hydraulic coupling suppliers:

Online Directories and Marketplaces: Utilize online industrial directories and marketplaces that list hydraulic coupling manufacturers and suppliers. Websites like ThomasNet, Alibaba, and IndustryNet can provide comprehensive listings with company profiles and product offerings.
Trade Shows and Exhibitions: Attend trade shows and exhibitions focused on fluid power and hydraulic components. These events offer an opportunity to meet suppliers in person, see product demonstrations, and discuss your specific requirements directly with the manufacturers.
Industry Associations: Many industry associations, such as the International Fluid Power Society (IFPS) or the National Fluid Power Association (NFPA), maintain directories of member companies that offer hydraulic couplings and related products. These associations often have strict membership criteria, which can serve as a marker of reputable companies.
Online Search Engines: Conduct a targeted search using online search engines. Use specific keywords related to your hydraulic system requirements, such as “high-pressure hydraulic couplings” or “quick-connect hydraulic couplings,” along with your location to find local suppliers.
Manufacturer Websites: Visit the websites of well-known hydraulic coupling manufacturers. Reputable manufacturers often provide detailed product information, specifications, and contact details, making it easier to assess their suitability for your requirements.
Customer Reviews and Testimonials: Look for customer reviews and testimonials to gauge the reputation and customer satisfaction of potential hydraulic coupling suppliers. Positive feedback from other customers can be an indicator of reliable and reputable manufacturers.

When evaluating hydraulic coupling suppliers, consider the following factors to ensure they meet your specific requirements:

Product Range: Check if the supplier offers a diverse range of hydraulic couplings, including the types, sizes, and configurations that match your needs.
Quality Assurance: Inquire about the supplier’s quality control processes and certifications to ensure their hydraulic couplings meet industry standards and regulatory requirements.
Customization Options: If your hydraulic system requires specialized couplings, confirm if the supplier can provide customization options to meet your unique specifications.
Technical Support: Assess the supplier’s technical expertise and support capabilities to assist with product selection, installation, and troubleshooting.
Pricing and Delivery: Obtain competitive pricing and inquire about delivery lead times to ensure the supplier can meet your budget and project timelines.
After-Sales Service: Inquire about the supplier’s after-sales service, warranty policies, and availability of spare parts to ensure long-term support for your hydraulic couplings.

By conducting thorough research and due diligence, you can find reputable suppliers or manufacturers of hydraulic couplings that align with your specific hydraulic system requirements. Working with reliable suppliers will help you obtain high-quality couplings that contribute to the efficient and reliable operation of your hydraulic system.

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 Professional Factory Selling Hydraulic Pump Parts Pumping Parts Stainless Steel Shaft Coupling Rod
editor by CX 2024-04-19

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?

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 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?

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.

hydraulic coupling

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

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.

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