China factory UPVC Plastic Coupling in 8 Inch Size with DIN Standard for Pipe Fitting coupling and cohesion

Product Description

General Information:

1.Raw material: UPVC
2 .Size: DN15-DN400(1/2″-16″)
3 .Standard: DIN and GB
5. Pressure: 1.0Mpa and 1.6Mpa

Features of products:

  1. Light weight
  2. Corrosion resistance
  3. Small friction
  4. Aging resistance
  5. High flame retardant
  6. High strength
  7. Easy installation


  1. The specific gravity is only 1 sixth of that of cast iron pipe, convenient installation and transportation, saving time and labor cost.
  2. Having good acid resistance, alkali resistance and electrochemical corrosion resistance.
  3. Inner wall is smooth, small flow-resistance, anti-fouling.
  4. Good chemical stability, and the normal service life can reach about 50 years.
  5. The flame can extinguish after leaving the fire.
  6. The tensile strength can reach 45 Mpa, the working pressure can reach 1.6 Mpa at normal temperature.
  7. Using glue to bond, no need to process thread, convenient and fast working.

HangZhou VODE Plastic Co., Ltd., located in Xihu (West Lake) Dis. district ,HangZhou city , ZHangZhoug province, China, was founded in 2007. It is a CZPT manufacturer specialized in high-tech, high capability, and high reliability UPVC,CPVC piping system and Ultra filtration Membrane housings in China .
Four series of products can be available in HZVODE. The full sizes and models gray UPVC plastic pipe and pipe fittings; Clear UPVC pipes and fittings; The variety of UPVC Ultra filtration membrane housings models; Light gray color of CPVC pipes and fittings. The quality and safety are paid attention seriously. Important certificates and identifications was acquired including the authentication certificate of quality management system – ISO9001 and the approval of sanitary license . After about 15 years of development and innovation, the scale of factory continues to grow, new big factory with 40000 square CZPT will be built and finished in 2571, production capacity and technical strength will be greatly improved in the future. At present, the company introduces automatic intelligent production equipment. there will be more than 80 sets of automatic production equipment had in workshops.

Today, products made by HZVODE have been exported to Japan, Germany, Russia, Spain, Estonia, Hungry, Turkey, Canada, Argentina, Brazil, South Korea, Viet Nam, Singapore, India, Iraq etc countries. The customers are very satisfied with our products, and we have been building long and stable cooperation relationship by now. In home, large amount of distributors have been set up in ZheJiang , ZheJiang , HangZhou, HangZhou, HangZhou, ZheJiang , HangZhou and other cities. The marketing shares in domestic have accounted for big proportion. HZVODE Brand has become very popular in China depending on reliable product quality, reasonable price and good corporate reputation.

In the future, HZVODE will continue to concentrate on making high-tech, high capability, and high reliability products for customers. We insist that development market with perfect products, CZPT quality and reliable reputation, HZVODE will have a broader and more prosperous future.  

HZVODE attends 3 important water exhibitions every year in China, they are IE expo China in ZheJiang , International Aquetech in ZheJiang and Water treatment in ZheJiang , Sometimes we will attend the Water Exhibition in HangZhou.  the products  on display by HZVODE attracted so many visitors at home and abroad, visitors like the products so much!

HZVODE means HangZhou World. We intend to create Domestic Topping Enterprise and forge World Famous Brands in the future. With about 15 years development, HZVODE  has been adhering to Unity, pragmatism, innovation and high-performance, today’s VODE has made a great achievement . A big new plant will be finished at the end of 2571, fully automatic operation will be introduced by then. Excellent products and high quality services win customer recognition, which have undertaken so many important domestic projects by HZVODE. Meanwhile, the products made by HZVODE become more and more popular oversea, we have built cooperation with some customers from Japan, Germany, Spain, Russia ets countries. We are sure that more and more customers will know VODE in the near future.

HZVODE is specializing in the plastic UPVC gray pipes and pipe fittings, UPVC clear pipes and fittings, UPVC Ultra filtration membrane shells and CPVC pipes and fittings in China. Full sizes and models of pipe system can be available from HZVODE. Products are widely used in chemical industry, water treatment, bio-technology, environmental protection, medicine, construction, paper, food, fire, electricity and other industries. Company has strong technical strength with a team of professional technical engineers and research team. HZVODE have established close cooperative relations with ZHangZhoug University and ZHangZhoug University of Technology, which are very famous university in China. With advanced imported equipment and raw materials, the products produced surely satisfy your requirement.

HZVODE is the leading company producing Ultra filtration membrane shells as well as their accessories in China, we have about 15 years of professional experience in these products. Many models can be available in HZVODE. The market share in this products accounts for more than 80% in China, almost all customers in China are using HZVODE brand. OEM and ODM can be acceptable in our company, we warmly welcome all customers to join us and work with you together in future!

UPVC gray products:
UPVC product series contain UPVC full sizes of pipes and fittings. Pipes sizes are from DN15 to DN400. According to different wall thickness of pipes, there are 3 kinds of pipes available in HZVODE. They are 1.0Mpa of water supply pipes , 1.6Mpa of water supply pipes and 1.6Mpa of industrial pipes. Industrial chemical pipes have higher acid and alkali resistance, their wall thicknesses are thicker. Pipe fittings are complete, sizes are from DN15 to DN400, working pressures have 1.0Mpa and 1.6Mpa. Fittings have Elbow, Tee, Coupling, Valve, Union, Flange, Cap, Cross, Reducer, Y type Tee etc. The products are processed from formula, production and processing, packing and finally shipping, every procedure is strictly controlled by HZVODE, we strive to be perfect in every detail, and provide every customers with excellent products.

UPVC clear Products:
Depending on the current market demand for transparent products, the sizes of clear products are from DN15-DN150, namely outsize 20mm to 160mm. Clear products have UPVC clear pipes with sizes from 20mm to 160mm, UPVC clear 90 degree Elbow, UPVC clear 45 degree Elbow, UPVC clear Tee, UPVC clear Coupling, UPVC transparent Cap, UPVC transparent Male thread Adaptor, UPVC clear Union as well as UPVC clear Valve. Clear products adopted with UPVC pure raw material to produce, it has higher requirements for product technology, a high transparency, clarity, strength are required, and there are no defects on the products. Every exhibition, transparent products become a highlight on the stand, attracting many customers to visit.

Ultra filtration membrane housings:
HZVODE is the main provider of Ultra filtration membrane shells as well as their accessories for Ultra filtration field in China, we have about 15 years of professional experience in these products. The sizes have 2″, 4″,5″,6″,8″,9″,10″ and 12″ etc. Many models can be available in HZVODE. The market share in this products accounts for more than 80% in China, almost all customers in China are using HZVODE brand. OEM and ODM can be acceptable in our company, we warmly welcome all customers to join us and work with you together in future!

1.What is your MOQ?
No MOQ, any quantity is acceptable in our company.

2.What is your delivery time?
The time of delivery is around15-20 days.

3.What is the shipping port?
We ship the goods via HangZhou and ZheJiang port.

4.What is your payment terms?
30% T/T in advance,70% at the sight of copy of B/L.

5.What is the location of your company?
Our company is located in the HangZhou, ZHangZhoug ,China.
We are warmly welcome you if you would like to have a visit.

6. Are you a manufacturer or trading company ? 
Yes, we are a professional manufacturer in UPVC and CPVC products, and have almost 15 years. 

7.Can you accept OEM or ODM?
Yes, OEM is welcomed, and also we cooperated with lots of customers according to your need. 

8.Why choose us?
Because of professional, responsible, strict with things, excellent goods, competitive price, short of time answer, fast delivery. Warmly welcomed in Germany, Japan, Spain, Russia, Canada etc market.


Standard: DIN, ANSI, GB, JIS, BSW
Material: PVC
Connection: Welding
Transport Package: Cartons
Specification: 8 inch
Trademark: HZVODE


Customized Request


Types of Couplings

A coupling is a device that connects two shafts together. It transmits power from one end to another and is used for joining rotating equipment. A coupling is flexible and can accommodate a certain amount of end movement and misalignment. This allows for more flexibility in applications. Various types of couplings are available, and each one serves a specific purpose.

Shaft couplings

There are many types of shaft couplings, and they are used in a wide range of applications. The type you need depends on the torque, speed, and horsepower you need, as well as the size of the shaft and its spatial limitations. You may also need to consider whether the coupling will accommodate misalignment.
Some shaft couplings are flexible, while others are rigid. Flexible couplings can accommodate up to two degrees of misalignment. They are available in different materials, including aluminum, stainless steel, and titanium. They can also be known by different names, depending on the industry. Some couplings can also be used in a single or multiple-shaft application.
The first type of shaft coupling is a rigid coupling, which consists of two parts that fit together tightly around the shafts. These couplings are designed to have more flexibility than sleeved models, and they can be used on fixed shafts as well. The flanged coupling, on the other hand, is designed for heavy loads and is made of two perpendicular flanges. The flanges are large enough to accommodate screws and are generally used with heavy-duty applications.
CZPT shaft couplings are a great choice if you’re looking for a shaft coupling that delivers high performance, durability, and low cost. These metal disc-style couplings provide low backlash and high torsional stiffness. Their high misalignment tolerance reduces reaction loads on connected components, which makes them ideal for high-speed precision applications. Available in single and double-disc models, they have torque ratings of up to 2,200 in-lbs. (250N) and are available in fourteen sizes.
When using shaft couplings, it is important to choose the right type for your application. Backlash can cause a shaft coupling to break or become unusable. In order to prevent this from happening, you should replace worn or loose parts, and ensure that the hub and key are evenly positioned with the shaft. If you’re using a shaft coupling in a motion-control system, it is important to keep the torque level consistent.

Flexible couplings

Flexible couplings are a type of coupling used to connect two shafts. They are made of rubber or plastic and allow for axial movement of the connected equipment. They do not require lubrication and are resistant to fatigue failure. Flexible couplings are useful for a number of applications. A common type of flexible coupling is the gear coupling, which has gear teeth inside its sleeve. Another type of flexible coupling is the metallic membrane coupling. A metallic membrane coupling is flexible due to flexing metallic discs.
One major disadvantage of flexible couplings is their inability to fit certain types of pipe. This is because most couplings need to be stretched to fit the pipe. This problem is often the result of a change in pipe technology. Traditionally, drain and soil pipe is made of ductile iron or cast iron. Today, most pipes are made of PVC, which has a larger outside diameter than either cast or ductile iron. Because of these changes in pipe technology, many coupling manufacturers have not updated their mold sizing.
Flexible couplings can be either metallic, elastomeric, or a combination of the three. While there are some common characteristics of each type, you should always consider the tradeoffs of each type before choosing one. Generally, the most important considerations when selecting a flexible coupling are torque, misalignment, and ease of assembly and maintenance.
Flexible couplings are used in a wide range of industries. They are useful for connecting two pipes to ensure torque transfer. Although the types available are different, these are the most adaptable couplings in the market. They can withstand movement, vibration, and bending without causing any damage to the piping.

Clutch couplings

A clutch coupling connects two rotating shafts by friction. The clutch engages power when the engine is running, disengaging power when the brake is applied. Clutch couplings are used in applications where the speed of a machine is variable or where continuous service is required. The clutch can transmit power, torque, and axial force.
Clutch couplings come in a variety of styles and configurations. Some couplings are flexible, while others are rigid. Flexible couplings are available in a variety of materials, including stainless steel and aluminum. Some couplings also have a non-backlash design, which helps compensate for misalignment.
Clutch couplings may be synchronous or asynchronous. Synchronous couplings engage and disengage automatically when the driven machine exceeds its output speed. These couplings are synchronized by a synchronizing mechanism. When the output speed is exceeded, the synchronizing mechanism initiates the engagement process. The synchronizing mechanism does not engage or disengage when the output speed drops.
High speed clutches are available from a variety of manufacturers. Some manufacturers offer OEM assembly, repair services, and third-party logistics. These manufacturers serve the automotive, chemical, food, and wood industries, as well as the oilfield and material handling industries. Custom clutches can be manufactured for specific applications and can be fitted with additional features, such as precision machined teeth or keyway slots and grooves.
Couplings are available in PCE, C/T, and metric bores. Typically, the size of the input and output shafts will determine which type of coupling is needed. In addition, clutches may be configured for intermediate or high speeds, depending on the required torque.

Clamped couplings

Clamped couplings are commonly used in a variety of industries. They can be used in medical equipment, dental equipment, military equipment, laboratory equipment, and in precision industrial controls. They are available in a wide variety of sizes and keyways. This type of coupling offers a number of advantages, including ease of installation and quick and easy replacement.
A clamp coupling connects two parts by compressing them together. The clamping elements can be formed in a variety of ways, but they all have a gap between their surfaces. This friction squeezes the two parts together, much like pulling two rubber gloves apart. This type of coupling is also useful for joining two hoses or piping units.
Clamped couplings are designed with a single or double clamping shaft. The clamping parts are mounted in two halves and are held together by eight socket head cap screws. They offer high torque capacity and require little installation space. Their high rigidity ensures good positioning accuracy, making them ideal for dynamic drives. In addition, they are wear-free and offer simple radial assembly.
The invention relates to a method and system for clamping pipes to a tank vessel. This invention also relates to a method of loading and unloading tank vessels. The method can be used in oil production platforms and other platforms. A single point mooring method is also used in oil production platforms.
Clamped couplings can also be flexible. They can join two shafts together while allowing a small amount of end movement and misalignment. These couplings may also be used in the assembly of motors and gearboxes.

CZPT’s coupling

CZPT couplings are designed to be flexible, allowing them to accommodate misaligned shafts and transmit torque in either direction. They are made with three discs, two hubs, and a center that are arranged with grooves and fins. These features allow for two degrees of freedom during assembly, and can accommodate misalignment of up to 5% of the shaft diameter.
CZPT couplings have many uses. For example, they can be used to join two parallel coaxial rotating shafts. Their ability to transmit torque at the same rotation mechanism and speed makes them ideal for applications where electrical currents may be a problem. Because the couplings are not made of metal, they are electrically isolated. Designers should test their couplings during the prototype stage to ensure they are working properly.
The CZPT coupling consists of two hubs with one slot on each. An intermediate disk is located between the two hubs. The discs are used to reduce or prevent wear on other machine parts. CZPT couplings are inexpensive and easy to replace. They also have electrical insulation, which makes them easy to repair or replace.
CZPT couplings are a popular choice for stepper motor-driven positioning stages. The plastic center disc offers electrical isolation and absorbs shocks from frequent start/stops. These couplings are available in through-hub and blind-bore styles and can be installed in many applications.
CZPT couplings also allow for small degrees of shaft misalignment. This allows them to function in systems where shaft access is limited. They are easily removed without tools.
China factory UPVC Plastic Coupling in 8 Inch Size with DIN Standard for Pipe Fitting   coupling and cohesionChina factory UPVC Plastic Coupling in 8 Inch Size with DIN Standard for Pipe Fitting   coupling and cohesion
editor by CX 2023-04-17

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