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China wholesaler OEM Excavator Quick Attach Coupler Connector Hydraulic Coupling breakaway coupling

Product Description


Part name Application excavator weight Color Material Type Certification Warranty Logo Customised
connector excavator parts 20T yellow Q345/460 heavy-duty operation ISO9001:2008 6 months free yes


Our Advantages:
     1. We can customize all CZPT brands’ buckets.  
     2. Strict material inspection
     3. Exact dimension control
     4. 100% quality control
     5. Fast in delivery & lead time gurantee
     6. Prompt quotation

Packing and Delivery:
1.We pack the bucket by pallet.
2.We have a team specialized in packing and loading container, they have rich experience.
3.Fast delivery time: 7–10 days for small quantity and 20–30 days for container quantity.

Other Products:

Products Proccess:

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Customer’s Feedback:



Our Services:
(1) Our products are applicable to any brand machines. We can also produce as per your drawings and requests.
(2) More than 15 years experienced workers to ensure the quality in process.
(3)The products be packed perfectly to meet your request.
(4) Professional salesmen will arrange the shipment and prepare all documents you need.
(5) Patient after sales workers will solve the problem you put CZPT quickly and professionally.

Company Introduction:
HangZhou YF Bucket Machinery Co., Ltd. was established in 2002. It specializes in development, design and manufacture of excavator buckets and related accessories. Our products could support most international excavator manufacturers in China, Europe, America, Japan, Korea and so forth. The products have been exported to counties in Europe, America, Southeast Asia, and the Middle East. Buckets and related accessories from YF fit many models of excavators,which could be used for different types of mining projects. We have gained great experience on excavator after-sale market for more than 10 years. We are exploring the international market and continuously devoting to provide world-class services. Honesty, credibility and creativity are always the tenet we stick to.

Welcome to visit our company to negotiate !!

After-sales Service: Video Servive
Warranty: 6 Month
Type: Crawler Excavator
Usage: Special Excavator, Marine Excavator, Mining Excavator, GM Excavator
Bucket: Backhoe
Transmission: Hydraulic Transmission
US$ 1200/Piece
1 Piece(Min.Order)

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Customized Request


Functions and Modifications of Couplings

A coupling is a mechanical device that connects two shafts and transmits power. Its main purpose is to join two rotating pieces of equipment together, and it can also be used to allow some end movement or misalignment. There are many different types of couplings, each serving a specific purpose.


Functions of coupling are useful tools to study the dynamical interaction of systems. These functions have a wide range of applications, ranging from electrochemical processes to climate processes. The research being conducted on these functions is highly interdisciplinary, and experts from different fields are contributing to this issue. As such, this issue will be of interest to scientists and engineers in many fields, including electrical engineering, physics, and mathematics.
To ensure the proper coupling of data, coupling software must perform many essential functions. These include time interpolation and timing, and data exchange between the appropriate nodes. It should also guarantee that the time step of each model is divisible by the data exchange interval. This will ensure that the data exchange occurs at the proper times.
In addition to transferring power, couplings are also used in machinery. In general, couplings are used to join two rotating pieces. However, they can also have other functions, including compensating for misalignment, dampening axial motion, and absorbing shock. These functions determine the coupling type required.
The coupling strength can also be varied. For example, the strength of the coupling can change from negative to positive. This can affect the mode splitting width. Additionally, coupling strength is affected by fabrication imperfections. The strength of coupling can be controlled with laser non-thermal oxidation and water micro-infiltration, but these methods have limitations and are not reversible. Thus, the precise control of coupling strength remains a major challenge.


Couplings transmit power from a driver to the driven piece of equipment. The driver can be an electric motor, steam turbine, gearbox, fan, or pump. A coupling is often the weak link in a pump assembly, but replacing it is less expensive than replacing a sheared shaft.
Coupling functions have wide applications, including biomedical and electrical engineering. In this book, we review some of the most important developments and applications of coupling functions in these fields. We also discuss the future of the field and the implications of these discoveries. This is a comprehensive review of recent advances in coupling functions, and will help guide future research.
Adaptable couplings are another type of coupling. They are made up of a male and female spline in a polymeric material. They can be mounted using traditional keys, keyways, or taper bushings. For applications that require reversal, however, keyless couplings are preferable. Consider your process speed, maximum load capacity, and torque when choosing an adaptable coupling.
Coupling reactions are also used to make pharmaceutical products. These chemical reactions usually involve the joining of two chemical species. In most cases, a metal catalyst is used. The Ullmann reaction, for instance, is an important example of a hetero-coupling reaction. This reaction involves an organic halide with an organometallic compound. The result is a compound with the general formula R-M-R. Another important coupling reaction involves the Suzuki coupling, which unites two chemical species.
In engineering, couplings are mechanical devices that connect two shafts. Couplings are important because they enable the power to be transmitted from one end to the other without allowing a shaft to separate during operation. They also reduce maintenance time. Proper selection, installation, and maintenance, will reduce the amount of time needed to repair a coupling.


Maintenance of couplings is an important part of the lifecycle of your equipment. It’s important to ensure proper alignment and lubrication to keep them running smoothly. Inspecting your equipment for signs of wear can help you identify problems before they cause downtime. For instance, improper alignment can lead to uneven wear of the coupling’s hubs and grids. It can also cause the coupling to bind when you rotate the shaft manually. Proper maintenance will extend the life of your coupling.
Couplings should be inspected frequently and thoroughly. Inspections should go beyond alignment checks to identify problems and recommend appropriate repairs or replacements. Proper lubrication is important to protect the coupling from damage and can be easily identified using thermography or vibration analysis. In addition to lubrication, a coupling that lacks lubrication may require gaskets or sealing rings.
Proper maintenance of couplings will extend the life of the coupling by minimizing the likelihood of breakdowns. Proper maintenance will help you save money and time on repairs. A well-maintained coupling can be a valuable asset for your equipment and can increase productivity. By following the recommendations provided by your manufacturer, you can make sure your equipment is operating at peak performance.
Proper alignment and maintenance are critical for flexible couplings. Proper coupling alignment will maximize the life of your equipment. If you have a poorly aligned coupling, it may cause other components to fail. In some cases, this could result in costly downtime and increased costs for the company.
Proper maintenance of couplings should be done regularly to minimize costs and prevent downtime. Performing periodic inspections and lubrication will help you keep your equipment in top working order. In addition to the alignment and lubrication, you should also inspect the inside components for wear and alignment issues. If your coupling’s lubrication is not sufficient, it may lead to hardening and cracking. In addition, it’s possible to develop leaks that could cause damage.


The aim of this paper is to investigate the effects of coupling modifications. It shows that such modifications can adversely affect the performance of the coupling mechanism. Moreover, the modifications can be predicted using chemical physics methods. The results presented here are not exhaustive and further research is needed to understand the effects of such coupling modifications.
The modifications to coupling involve nonlinear structural modifications. Four examples of such modifications are presented. Each is illustrated with example applications. Then, the results are verified through experimental and simulated case studies. The proposed methods are applicable to large and complex structures. They are applicable to a variety of engineering systems, including nonlinear systems.
China wholesaler OEM Excavator Quick Attach Coupler Connector Hydraulic Coupling   breakaway couplingChina wholesaler OEM Excavator Quick Attach Coupler Connector Hydraulic Coupling   breakaway coupling
editor by CX 2023-07-07

China Standard Open and Close Stainless Steel Hydraulic Quick Coupler/ Quick Joint/ Quick Release Coupling coupling connector

Product Description

ISO 7241 B Open And Shut Type Stainless steel Hydraulic fast coupler/ fast joint/ rapid release coupling


Size Operating pressure Movement Rate Burst Pressures
mm inch Mpa(PSI ) I/min( GPM ) MPa(PSI) MPa( CZPT ) MPa(PSI )
3 1/4″ fifty(7500) five(1.3) 200(30000) 280(42000) two hundred(3000)
6.3 three/8″ forty five(6750) seventeen(4.5) 180(27000) 180(27000) two hundred(30000)
210 1/2″ 30(4500) 50(thirteen.2) 180(27000) 130(19500) 120(18000)
twelve.5 three/4″ 35(5250) 75(19.8) 150(22500) 140(21000) one hundred forty(21000)
20 1″ twenty five(3625) 190(50.2) 100(14500) 110(16500) a hundred(14500)
twenty five one 1/4″ thirty(4500) 270(71.4) 120(18000) 120(18000) one hundred twenty(18000)
forty 1 1/2″ fourteen(2100) 750(198.4) 60(9000) 56(8400) 56(8400)
50 2″ nine(1350) 1600(423.3) 45(6750) 38(5700) 40(6000)

Part NO. Thread E F G Part NO. Thread  E F G
(mm.) (mm.) (mm.) (in.) (in.) (in.)
KZB-01SF G1/8 forty eight. 17. 24. KZB-N01 SF NPT1/eight one. ,ninety .sixty eight .ninety six
KZB-02SF G1/4 57. 21. 29. KZB-N02SF NPT 1/4 2.26 .81 1.14
KZB-03SF G3/8 sixty three. 22. 36. KZB-N03SF NPT3/8 2.49 .88 one.forty
KZB-04SF G1/two 73. 28. forty five. KZB-N04SF NPT1/two two.87 one.twelve one.77
KZB-06SF G3/four ninety. 33. 54. KZB-N06SF NPT3/4 3.fifty six 1.31 2.fourteen
KZB-08SF G1 106. 41. sixty four. KZB-N08SF NPT1 four.eighteen one.sixty two 2.52

Part NO. Thread E  F G Part NO. Thread E F G
(mm.) (mm.) (mm.) (in.) (in.) (in.)
KZB-01PF G1/8 forty one. 14. 17. KZB-N01PF NPT 1/eight 1.61 .56 .sixty five
KZB-02PF G1/four 35. 19. 22. KZB-N02PF NPT 1/four 1.39 .75 .87
KZB-03PF G3/eight 38. 22. 26. KZB-N03PF NPT3/eight 1.fifty .88 one.01
KZB-04PF G1/two forty four. 28. 33. KZB-N04PF NPT1/2 1.75 one.12 1.thirty
KZB-06PF G3/four fifty five. 35. 40. KZB-N06PF NPT3/four 2.sixteen one.38 one.fifty nine
KZB-08PF G1 seventy four. 41. . 48. KZB-N08PF NPT1 two.ninety one 1,62 1.88

Pre-sale provider:

*We provide presales in our initial cooperation, make very clear your predicament and give you some tips, you can making expense price range, production, planing, so that buyers can make a sensible program with considerably less cost.
Phase 1st: Let’s be truthful with each other and make clear the situation of every single consumer very first, then we can give very best advice, simply because we’re in excess of twenty several years expertise in hydraulic factors.
Stage 2st: I will give the information to every single client for reference, which includes the dimension, performance, top quality and value degree. 
Stage 3st: We can compare the merchandise 1 by one, then affirm the affordable goods with best cost.

In-sale service:
Stage 1st: After we receive the buy record, we will affirm the specific product and quantity 1 by a single, then location the purchase listing to every factory.
Phase 2st: We will tracking the manufacturing development and high quality, examine the precise product and amount 1 by 1 ahead of delivering. Since we are exporting agent for factories, so our foremost time is much more shorter, top quality tracking is much more rigid.
And you can acquire the all hydraulic factors from our company, since we’re professional in complete hydraulic factors, not only for some merchandise like factories.
Stage 3st: Most affordable sea freight value and ideal services. We’re cooperating with our forwarders in excess of 8 a long time, so we can get best cost and support for our each and every client.

Following-sale support:
Following-sale provider are most essential in each enterprise, we will do the beneath things in every single order:
Phase 1st: Monitoring the cargo and tell the buyer just before the Arrival Date.
Phase 2st: Examine the goods together with our customers and tracking the good quality for the duration of the use problem.
Phase 3st: We will charge all queries if you purchase from me, simply because reputation is most essential in exporting business.

Certification: GS, RoHS, ISO9001
Pressure: Medium Pressure
Work Temperature: Normal Temperature
Thread Type: Internal Thread
Installation: Flared Type
Material: Stainless Steel
US$ 50/Piece
1 Piece(Min.Order)

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Customized Request