China OEM PVC UPVC Sch40 Sch80 Compression Coupling for Water Supply excitation contraction coupling

Product Description

PVC UPVC SCH40 SCH80 Compression Coupling for Water Supply

1. Product Introduction:

Item Name PVC Fittings
Material PVC/UPVC
Standard ANSI
Pressure High pressure
Temperature Normal Temperature
Color White
Packing Arton, Polybag, Color Box or Customized
SIZE 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2″, 2-1/2 3″, 4″
Delivery port HangZhou by sea


1. Resistant to high temperatures, good impact strength,thicker wall, more resistant to pressure.
2. Low noise (reduced by 40% compared to galvanized steel pipes).
3. Light colors and excellent design ensure suitability for both exposed and hidden installation.

2. Product Specification:

Description SIZE Carton Size (cm) PCS/ CTN
COUPLING  1/2″ 50*30*27 1000
3/4″ 50*30*27 600
1″ 50*30*27 350
1-1/4″ 50*30*27 220
1-1/2″ 50*30*27 180
2″ 50*30*27 112
3″ 50*30*27 45
4″ 50*30*27 16
CAP 1/2″ 50*30*27 1800
3/4″ 50*30*27 1350
1″ 50*30*27 720
1-1/4″ 50*30*27 450
1-1/2″ 50*30*27 360
2″ 50*30*27 224
3″ 50*30*27 60
4″ 50*30*27 40
TEE 1/2″ 50*30*27 480
3/4″ 50*30*27 250
1″ 50*30*27 150
1-1/4″ 50*30*27 90
1-1/2″ 50*30*27 60
2″ 50*30*27 40
3″ 50*30*27 15
4″ 50*30*27 6
Female Adapter  1/2″ 50*30*27 900
3/4″ 50*30*27 600
1″ 50*30*27 300
1-1/4″ 50*30*27 240
1-1/2″ 50*30*27 180
2″ 50*30*27 112
MALE ADAPTER  1/2″ 50*30*27 1200
3/4″ 50*30*27 850
1″ 50*30*27 420
1-1/4″ 50*30*27 480
1-1/2″ 50*30*27 270
2″ 50*30*27 168
90DEG ELBOW  1/2″ 50*30*27 700
3/4″ 50*30*27 400
1″ 50*30*27 240
1-1/4″ 50*30*27 150
1-1/2″ 50*30*27 90
2″ 50*30*27 63
3″ 50*30*27 20
4″ 50*30*27 10
45DEG ELBOW  1/2″ 50*30*27 900
3/4″ 50*30*27 480
1″ 50*30*27 300
1-1/4″ 50*30*27 165
1-1/2″ 50*30*27 112
2″ 50*30*27 77
FEMALE TEE 1/2″ 50*30*27 500
3/4″ 50*30*27 300
1″ 50*30*27 250
FEMALE ELBOW 1/2″ 50*30*27 600
3/4″ 50*30*27 450
1″ 50*30*27 210
REDUCING TEE 3/4″×1/2″ 50*30*27 350
1″×3/4″ 50*30*27 200
Reducer  3/4″×1/2″ 50*30*27 1400
1″×1/2″ 50*30*27 800
1″×3/4″ 50*30*27 900
1-1/4″×1″ 50*30*27 450
1-1/2″x3/4″ 50*30*27 350
1-1/2″×1″ 50*30*27 350
1-1/2″×1-1/4″ 50*30*27 350
2″x3/4″ 50*30*27 250
2″x1″ 50*30*27 224
2″x1-1/4″ 50*30*27 224
2″×1-1/2″ 50*30*27 224
2″x4″ 50*30*27 48
3″x2″ 50*30*27 80
3″x4″ 50*30*27 48
6″x4″ 58.5*39.5*25.5 18
PLUG 1/2″ 50*30*27 3000
3/4″ 50*30*27 1600
1″ 50*30*27 800
1-1/4″ 50*30*27 600
1-1/2″ 50*30*27 540
2″ 50*30*27 300
REDUCING BUSHING 3/4″×1/2″ 50*30*27 1500
1″x1/2″ 50*30*27 800
1″x3/4″ 50*30*27 800
Reducing Female Elbow 3/4″×1/2″ 50*30*27 350
1″×1/2″ 50*30*27 300
1″×3/4″ 50*30*27 200
Reducing  Female TEE 3/4″×1/2″ 50*30*27 350
1″×1/2″ 50*30*27 300
1″×3/4″ 50*30*27 200
Compression Coupling  1/2″ 44x27x33 160
3/4″ 44.5x30x35 112
1″ 41×29.5×38.8 120
1-1/4″ 44.5×32.5×38 60
1-1/2″ 48×35.5×41 60
2″ 47x38x41 40
2-1/2″ 46x35x50 24
3″ 55.3×28.3×42.5 12
4″ 46.3×34.3×47 9
UNION 1/2″ 50*30*27 360
3/4″ 50*30*27 210
1″ 50*30*27 140
1-1/4″ 50*30*27 75
1-1/2″ 50*30*27 54
2″ 50*30*27 30
PIPE CLIP 1/2″ 35x27x24.2 1200
3/4″ 35x27x24.2 800
1″ 35x27x24.2 600
1-1/4″ 35x27x24.2 400
1-1/2″ 35x27x24.2 360
2″ 35x27x24.2 200
3″ 35x27x24.2 100
4″ 50*30*26 110
REDUCING COUPLING  3/4″×1/2″ 50*30*27 600
1″×1/2″ 50*30*27 350
1″×3/4″ 50*30*27 350
1-1/4″×1″ 50x30x26.5 420
1-1/4″×3/4″ 50x30x26.5 480
1-1/2″×1-1/4″ 50x30x26.5 200
1-1/2″×1 46×28.5×28 280
2″x1″ 50x30x26.5 192
2″×1-1/2″ 50x30x23.5 160
2″×1-1/4″ 50x27x26.5 168
2-1/2″×2″ 50x30x26.5 63
2-1/2″×1-1/2″ 50x30x26.5 76
3″×2-1/2″ 50x30x53 100
3″×2″ 50x30x51 120
4″x2″ 50x30x53 64
4″×3″ 50x30x48.5 48
4″×2-1/2″ 50x30x53 56
Tee with brass 1/2” 35*27*24.2 250
Elbow with brass 1/2″ 32x25x26.5 300
3/4″ 32x25x26.5 150
coupling with copper withbrass 1/2″ 35x27x24.2 540
3/4″ 35x27x24.2 300
Male and Female tank back nut 1/2″ 50x30x26 200
3/4″ 50x30x26 160
1″ 50x30x26 120
1-1/4″ 45x29x24 60
1-1/2″ 45x29x26 50
2″ 45x29x28 50

3. Product Package 

4. Certificate:

5. Our Factory Picture

Our factory covers an area of 20,000 square CZPT and has fixed assets of 50 million RMB. Our factory has more than 100 employees. It has a mold department, a piping system department, a raw material mixing system, a pelletizing production line, and a pipe extrusion production line. There are 50 injection molding machines with an annual production capacity of 8,000 tons.

6. Our Other Related Products

7. Application:

(1) Agricultural irrigation                            (2) Swimming pool

(3) Sewage treatment                                 (4) Water treatment

(5) Piping system                                         (6) Water recycling project

8. About Us

9. Service

Our Advantages:

(1) High pressure can stand: PN10, PN16, PN35, PN40; 150psi, 235psi etc, as customers’ request;

(2) Well and high quality control, within 1% leakage;

(3) Environment friendly, non-toxic, good looking and long service life;

(4) Light weight, easy to handle and transport; 

(5) Soft colors and excellent design, suitable for installation either exposed or hidden;

(6) Wonderful ability in chemical corrosion resistance;

(7) Easy and fast installation, making cost minimized;

(8) Widely used in building, irrigation, industry and swimming pool;

(9) Small order acceptable;

(10) Customer’s design and logo are welcome.

Why Us?

(1) We provide OEM service and submit Various styles, latest designs to our clients;

(2) We work with big customers in Southeast Asia, Africa, Middle East, North America, South America;

(3) According to the needs of customers in different regions, we match different quality and thickness valves with various styles, so that our customers are very competitive in the market!

(4) Our high quality PVC valve can be consistent with European and American national brand valves!

(5) We have great experience on providing high quality products and most professional service to clients about 10 years more!

(6) Customers choose our products, can mix and match our PVC pipe fittings, PVC butterfly valves, PP Fittings, irrigation products to buy together, so that the customer product line is more abundant, both quality and delivery time are guaranteed.

(7)  We can flexible from China any port export! Welcome you inquiry us!


After-sales Service: Provide Replacement Services
Warranty: 1-2 Years
Connection: Female
Structure: Universal
Flexible or Rigid: Flexible
Material: UPVC, PVC
US$ 1/Piece
1 Piece(Min.Order)

Request Sample



Customized Request


What Is a Coupling?

A coupling is a device used to connect two shafts. It transmits power between them and allows for some misalignment or end movement. There are several types of couplings. The most common ones are gear couplings and planetary couplings. However, there are many others as well.

Transfer of energy

Energy coupling is a process by which two biological reactions are linked by sharing energy. The energy released during one reaction can be used to drive the second. It is a very useful mechanism that synchronizes two biological systems. All cells have two types of reactions, exergonic and endergonic, and they are connected through energy coupling.
This process is important for a number of reasons. The first is that it allows the exchange of electrons and their energy. In a single molecule, this energy transfer involves the exchange of two electrons of different energy and spin. This exchange occurs because of the overlap interaction of two MOs.
Secondly, it is possible to achieve quadratic coupling. This is a phenomenon that occurs in circular membrane resonators when the system is statically deflected. This phenomenon has been gaining a great deal of interest as a mechanism for stronger coupling. If this mechanism is employed in a physical system, energy can be transferred on a nanometer scale.
The magnetic field is another important factor that affects the exchange of energy between semiconductor QWs. A strong magnetic field controls the strength of the coupling and the energy order of the exciton. The magnetic field can also influence the direction of polariton-mediated energy transfer. This mechanism is very promising for controlling the routing of excitation in a semiconductor.


Couplings play a variety of functions, including transferring power, compensating for misalignment, and absorbing shock. These functions depend on the type of shaft being coupled. There are four basic types: angular, parallel, and symmetrical. In many cases, coupling is necessary to accommodate misalignment.
Couplings are mechanical devices that join two rotating pieces of equipment. They are used to transfer power and allow for a small degree of end-to-end misalignment. This allows them to be used in many different applications, such as the transmission from the gearbox to the differential in an automobile. In addition, couplings can be used to transfer power to spindles.


There are two main types of couplings: rigid and flexible. Rigid couplings are designed to prevent relative motion between the two shafts and are suitable for applications where precise alignment is required. However, high stresses in the case of significant misalignment can cause early failure of the coupling. Flexible couplings, on the other hand, allow for misalignment and allow for torque transmission.
A software application may exhibit different types of coupling. The first type involves the use of data. This means that one module may use data from another module for its operation. A good example of data coupling is the inheritance of an object. In a software application, one module can use another module’s data and parameters.
Another type of coupling is a rigid sleeve coupling. This type of coupling has a pipe with a bore that is finished to a specified tolerance. The pipe contains two threaded holes for transmitting torque. The sleeve is secured by a gib head key. This type of coupling may be used in applications where a couple of shafts are close together.
Other types of coupling include common and external. Common coupling occurs when two modules share global data and communication protocols. This type of coupling can lead to uncontrollable error propagation and unforeseen side effects when changes are made to the system. External coupling, on the other hand, involves two modules sharing an external device interface or communication protocol. Both types of coupling involve a shared code structure and depend on the external modules or hardware.
Mechanical couplings are essential in power transmission. They connect rotating shafts and can either be rigid or flexible, depending on the accuracy required. These couplings are used in pumps, compressors, motors, and generators to transmit power and torque. In addition to transferring power, couplings can also prevent torque overload.


Different coupling styles are ideal for different applications, and they have different characteristics that influence the coupling’s reliability during operation. These characteristics include stiffness, misalignment capability, ease of installation and maintenance, inherent balance, and speed capability. Selecting the right coupling style for a particular application is essential to minimize performance problems and maximize utility.
It is important to know the requirements for the coupling you choose before you start shopping. A proper selection process takes into account several design criteria, including torque and rpm, acoustic signals, and environmental factors. Once you’ve identified these parameters, you can select the best coupling for the job.
A gear coupling provides a mechanical connection between two rotating shafts. These couplings use gear mesh to transmit torque and power between two shafts. They’re typically used on large industrial machines, but they can also be used in smaller motion control systems. In smaller systems, a zero-backlash coupling design is ideal.
Another type of coupling is the flange coupling. These are easy to manufacture. Their design is similar to a sleeve coupling. But unlike a sleeve coupling, a flange coupling features a keyway on one side and two threaded holes on the other. These couplings are used in medium-duty industrial applications.
Besides being useful for power transmission, couplings can also prevent machine vibration. If vibration occurs in a machine, it can cause it to deviate from its predetermined position, or damage the motor. Couplings, however, help prevent this by absorbing the vibration and shock and preventing damage to expensive parts.
Couplings are heavily used in the industrial machinery and electrical industries. They provide the necessary rotation mechanism required by machinery and other equipment. Coupling suppliers can help customers find the right coupling for a specific application.

Criteria for selecting a coupling

When selecting a coupling for a specific application, there are a number of different factors to consider. These factors vary greatly, as do operating conditions, so selecting the best coupling for your system can be challenging. Some of these factors include horsepower, torque, and speed. You also need to consider the size of the shafts and the geometry of the equipment. Space restrictions and maintenance and installation requirements should also be taken into account. Other considerations can be specific to your system, such as the need for reversing.
First, determine what size coupling you need. The coupling’s size should be able to handle the torque required by the application. In addition, determine the interface connection, such as straight or tapered keyed shafts. Some couplings also feature integral flange connections.
During the specification process, be sure to specify which materials the coupling will be made of. This is important because the material will dictate most of its performance characteristics. Most couplings are made of stainless steel or aluminum, but you can also find ones made of Delrin, titanium, or other engineering-grade materials.
One of the most important factors to consider when selecting a coupling is its torque capability. If the torque rating is not adequate, the coupling can be damaged or break easily. Torque is a major factor in coupling selection, but it is often underestimated. In order to ensure maximum coupling performance, you should also take into consideration the size of the shafts and hubs.
In some cases, a coupling will need lubrication throughout its lifecycle. It may need to be lubricated every six months or even once a year. But there are couplings available that require no lubrication at all. An RBI flexible coupling by CZPT is one such example. Using a coupling of this kind can immediately cut down your total cost of ownership.
China OEM PVC UPVC Sch40 Sch80 Compression Coupling for Water Supply   excitation contraction couplingChina OEM PVC UPVC Sch40 Sch80 Compression Coupling for Water Supply   excitation contraction coupling
editor by CX 2023-05-23