China Best Sales High Quality Rubber Excavator 35h Al PU Assembly Replacemtn Hydraulic Coupling

Product Description

Product Overview

High Quality Rubber Excavator 35H Al PU Assembly Replacemtn Hydraulic Coupling 







Product Name

High Quality Rubber Excavator 35h Hydraulic Coupling Al PU Assembly Replacemtn Centaflex CF-H-35

Part Number




Application for




H.S Code


Single Packing

Plastic bag & carton box

Lead Time

In stock


We offer SPECIAL DISCOUNTS for you.

Talk to our staff, we can offer discounts.


Engine Parts

Seal kits



Solenoid Valves





Plastic bag, cartor box, pallet




A. send us the part number / model / dimensions or photos of the parts you need, we’ll confirm the CORRECT parts to you.

B. confirm the details

competive product cost

reasonable shipping cost

official quotation

Payment ways:

T/T, Western Union, PayPal, Alibaba Transaction

Just use the 1 that more convenience fo you.


Tracking of the goods:

Packing information (photos during packing & shipping, tracking number available)

1. 3 months guarantee is offered to our parts since the shipping date.

2. We can offer technical suggestions when you install the parts

Our Factory & Sales Team


Related Coupling Part number
229/01230 331/37334 JHP0111 JHH0111 826/01518 JSV5716 6009/3825Z JHP0037
826/11108 696/01369 JHP0046 JHP0046 229/01136 KHV0060 KHV5710 KHV5710
821/10267 696/01512 826/01519 826/01519 229/01128 333/L3809 JRP0142 KHV5711
331/19926 229/00623 1391/3407Z 1391/3407Z 826/01570 331/27870 229/01306 KHV5713
717/06800 1316/3514 229/01169 229/01169 JHH0115 333/L3809 331/13760 JLJ0054
717/06800 1316/3516 229/01137 229/01137 229/01539 m KTV0700 KRV571 KRV1127
331/36356 1371/0401 229/01170 229/01170 229/01657 N/A KHV0161 KRV1176
6900/ 0571 332/K3177 229/01181 332/L1914 KHR571 KHV0164 KHV0162 KRV1932
331/36357 817/17441 229/01180 332/L9601 229/01519 KHV0162 JRV571 1371/ 0571
6900/ 0571 332/K3881 1420/0005Z 229/01180 1370/5712 KHV0162 KRV1131 JRV571
6900/0544 817/18764 826/01518 1420/0005Z 264/34901 0 KHV0164 831/15711 JRV571
6900/0569 332/K3879 229/01135 826/01518 229/00070 JBV5715 332/J8878 831/15711
1315/0307Z 817/18766 229/01136 229/01135 JHN5711 JBV5718 KHV5711 1316/3825Z
1315/0307Z 332/K3495 229/01128 229/01136 JHH0074 JRV5717 KHV5713 UBJ0158
1420/0006Z 817/18767 826/01570 229/01128 KHN1436 831/15711 JHP0037 4101/0500
1315/5717Z 332/K3721 331/18592 826/01570 KHN1542 KHV5713 1371/ 0571 JHP0038
331/36359 817/18769 KHR571 JHH0115 229/00385 JRV571 229/0571 JHP0037
1315/0307Z 332/K3711 KHJ0947 JHH0111 2103/0709 JKHP0038 KRV1176 JHP0037
6900/0637 332/K3902 1316/0303Z JHP0046 831/00063 823/1571 KRV1127 KMJ0964
1370/5711Z 332/K5067 1420/0007Z 826/01519 646/5711 KRV1572 1316/3825 KRV1419
6900/0652 332/K3176 JHH0115 1391/3407Z 646/5715 6009/4571Z KHV5710 KRV1420
6900/ 0571 332/K3994 JHH0111 229/01169 646/5711 173R571VZ JRV0390 KRV1421
331/36360 332/K4050 JHP0046 229/01137 4102/571 335/57116 KRV1363 KMJ0707
6900/0605 229/01652 826/01519 229/01170 926/15500 229/01306 KRV571 KRV571
6900/0603 1315/0407Z 1391/3407Z 333/L4829 4104/1310 KRV1363 KHV0161 KRV 0571
6900/0606 JHP0045 229/01169 229/01180 KHV5711 KRV571 KHV0162 1316/0308Z
6900/0606 1315/0407Z 229/01137 1420/0005Z KHV5713 KHV0161 JRV571 1425/0007Z
6900/0541 JHP0045 229/01170 826/01518 JHP0037 KHV0162 JRV571 KRV571
6900/ 0571 229/01652 332/L9601 229/01135 172R571VR JRV571 831/15711 JRV0071
6900/0601 1316/0407Z 229/01180 229/01136 331/32602 JRV571 KHV5711 JHP0037
331/19929 1420/0008Z 1420/0005Z 229/01128 KRV1176 831/15711 KHV5713 KHV5711
331/37333 334/L4855 826/01518 826/01570 KRV1127 332/J8878 JHP0037 KHV0117


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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

What are the standard sizes and thread types available for hydraulic couplings?

Hydraulic couplings come in a variety of sizes and thread types to accommodate different hydraulic system requirements. The standard sizes and thread types are specified based on industry standards and regional norms. Here are some common standard sizes and thread types for hydraulic couplings:

  • Thread Types:
    • NPT (National Pipe Thread): NPT is a widely used thread type in North America. It has a tapered thread design and requires thread sealants like Teflon tape to ensure a leak-free connection.
    • BSP (British Standard Pipe): BSP is commonly used in Europe and many other parts of the world. It can have parallel (BSPP) or tapered (BSPT) threads and often requires thread sealants for a secure connection.
    • JIC (Joint Industry Council): JIC threads have a 37-degree flare angle and are prevalent in hydraulic systems. They provide a reliable metal-to-metal seal without the need for thread sealants.
    • SAE (Society of Automotive Engineers): SAE threads are commonly used in mobile hydraulic applications. They have a 45-degree flare angle and offer excellent sealing capabilities.
    • ORFS (O-Ring Face Seal): ORFS fittings feature a flat face with an O-ring seal. They are suitable for high-pressure applications and provide a reliable leak-free connection.
  • Standard Sizes:
    • Hydraulic couplings are available in various standard sizes, typically measured in inches or millimeters. Common sizes for hydraulic couplings include 1/4″, 3/8″, 1/2″, 3/4″, 1″, and 1 1/4″ for smaller couplings and up to larger sizes like 2″, 2 1/2″, and 3″ for heavy-duty industrial applications.
    • Metric sizes, such as 6 mm, 10 mm, 12 mm, 16 mm, and 20 mm, are also commonly used in hydraulic systems, especially in countries that follow the metric system.
    • Some specialized hydraulic systems may require custom sizes to meet specific application needs.

It’s important to note that while these thread types and sizes are commonly used, there may be other proprietary or industry-specific thread types and sizes depending on the manufacturer or application requirements. When selecting hydraulic couplings, it’s essential to ensure that the chosen couplings match the thread type and size of the corresponding components in the hydraulic system to ensure a proper and secure connection.

Hydraulic coupling manufacturers often provide detailed specifications and technical information about their products, including the available thread types and sizes, to help users select the right couplings for their specific hydraulic system needs.

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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 High Quality Rubber Excavator 35h Al PU Assembly Replacemtn Hydraulic Coupling  China Best Sales High Quality Rubber Excavator 35h Al PU Assembly Replacemtn Hydraulic Coupling
editor by CX 2024-04-03