China high quality CZPT Nwg6 Series Hydraulic Threaded Connecting Quick Coupler Quick Coupling 1/4″NPT (steel) coupling agent ultrasound

Product Description


NWG6 Series Hydraulic Threaded Connecting Quick Coupling ( steel)


Product Description


Product Feature

NWG6 series quick coupling is with design of new valve,it can resist the impact of high fluid and pulse to provide higher performance.It is with high pressure and thread locking,the single valve is with high intensity that it can stay in the center position without any offset.
Using CZPT bar material for processing and manufacturing,NWG6 series quick coupling is very durable.The female part adopts a thread sleeve locking structure,it can be matched used with the external thread in the male part.Both of the female part and the male part should use universal thread and be connected by manually.


Product Parameter

1-Thread connection

2-Poppet valve

3-Standard material:carbon steel

4-Standard seal:nitrile rubber

Seal elastomer data
Seal     Maximum working temperature range
Nitrile rubber    -20ºC to +125ºC 

Size(in) ISO(mm) Max Working Pressure(bar)   Rated Flow(l/m)  Min Blast Pressure(bar) Fluid Loss(ml-cc)
connection connection male female
1/4 6.3 800 8 2500 2400 2400 1
3/8 10 760 18 2300 2900 2500 1.5
1/2 12.5 730 40 2200 2380 2200 2
3/4 20 700 55 2140 2120 2300 3
1 25 530 100 1940 1600 2240 10

Application Range
Mobile equipment
Agricultural machinery
Construction machinery
Metallic equipment and general industrial equipment


Faster VV series


Photos Of Different Sizes


Standard: Faster Standard
Material: Steel
Transport Package: Wooden Case/Pallet with Carton Inside
Specification: 1/4′′(From 1/4′′ to 1′′)
Trademark: NAIWO
Origin: Hebei, China
US$ 0/Set
1 Set(Min.Order)

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What Is a Coupling?

A coupling is a mechanical device that links two shafts together and transmits power. Its purpose is to join rotating equipment while permitting a small amount of misalignment or end movement. Couplings come in a variety of different types and are used in a variety of applications. They can be used in hydraulics, pneumatics, and many other industries.


Coupling is a term used to describe a relationship between different modules. When a module depends on another, it can have different types of coupling. Common coupling occurs when modules share certain overall constraints. When this type of coupling occurs, any changes to the common constraint will also affect the other modules. Common coupling has its advantages and disadvantages. It is difficult to maintain and provides less control over the modules than other types of coupling.
There are many types of coupling, including meshing tooth couplings, pin and bush couplings, and spline couplings. It is important to choose the right coupling type for your specific application to get maximum uptime and long-term reliability. Listed below are the differences between these coupling types.
Rigid couplings have no flexibility, and require good alignment of the shafts and support bearings. They are often used in applications where high torque is required, such as in push-pull machines. These couplings are also useful in applications where the shafts are firmly attached to one another.
Another type of coupling is the split muff coupling. This type is made of cast iron and has two threaded holes. The coupling halves are attached with bolts or studs.


The coupling function is an incredibly versatile mathematical tool that can be used in many different scientific domains. These applications range from physics and mathematics to biology, chemistry, cardio-respiratory physiology, climate science, and electrical engineering. The coupling function can also help to predict the transition from one state to another, as well as describing the functional contributions of subsystems in the system. In some cases, it can even be used to reveal the mechanisms that underlie the functionality of interactions.
The coupling selection process begins with considering the intended use of the coupling. The application parameters must be determined, as well as the operating conditions. For example, if the coupling is required to be used for power transmission, the design engineer should consider how easily the coupling can be installed and serviced. This step is vital because improper installation can result in a more severe misalignment than is specified. Additionally, the coupling must be inspected regularly to ensure that the design parameters remain consistent and that no detrimental factors develop.
Choosing the right coupling for your application is an important process, but it need not be difficult. To find the right coupling, you must consider the type of machine and environment, as well as the torque, rpm, and inertia of the system. By answering these questions, you will be able to select the best coupling for your specific application.


A coupling is a device that connects two rotating shafts to transfer torque and rotary motion. To achieve optimal performance, a coupling must be designed for the application requirements it serves. These requirements include service, environmental, and use parameters. Otherwise, it can prematurely fail, causing inconvenience and financial loss.
In order to prevent premature failure, couplings should be properly installed and maintained. A good practice is to refer to the specifications provided by the manufacturer. Moreover, it is important to perform periodic tests to evaluate the effectiveness of the coupling. The testing of couplings should be performed by qualified personnel.

editor by CX 2023-06-02