China Hot selling PVC Compression Coupling

Product Description

PVC Pipe Fitting  Expansion Coupling for Repairing PN10   PN16

MATERIAL UPVC
SIZE 20-160mm
STHangZhouRD ISO4422, ISO1452, GBT10002
CONNECTION Rubber Ring Joint
WORKING PRESSURE PN10  1.0MPA
COLOR White Black Grey

UPVC Compression Coupling ANSI Description:
Specification: Schedule 40 / CTS
Suitable for instant and emergent piping system repairment.
Suitable for IPS / CTS standard plastic piping system

Spec  D L H
20 132 82
25 142 92
32 151 97
40 160 101
50 168.5 112
63 182.5 121
75 193 127
90 215 143
110 230 151
125 240 180
160 288 220

Packing Details

CODE Description Size PCS/CTN
PVC Compression Coupling  20 210
25 160
800080300 32 105
800080400 40 75
800080500 50 56
800080600 63 44
800080700 75 28
800080800 90 20
800080900 110 12
80057100 125 12
800081100 160 6

Adavantages
1. High quality with reasonable price
2. Oven test no CHINAMFG of bubble or cracks
3. Simple installation and Good electrical insulation
4. Water quality unaffected and Small resistance to fluidity
5. Rustless, oxidation-resistant, anti-corrosion and environment-friendly

Factory

About us
HangZhou CHINAMFG Plastic Co., Ltd is a professional supplier of UPVC/CPVC/PE/PPR Pipes, pipe fittings, valves. Plastic piping systems such as pipes, fittings and valves is widely used in water supply, chemical industry, water treatment, environmental protection, pharmaceutical area etc.
We insist in the principal of “”Quality First, Clients First”. Your satisfaction is our CHINAMFG pursuit.  We Strictly follows ISO9001 quality system to arrange manufacturing. With high-class raw material, strict quality control in both the workshop and laboratory with various professional testing equipment, CHINAMFG Plastic ensures that every single product meets the corresponding inspection standard.
“Xita Plastic” warmly welcomes friends and clients all over the world for further cooperation.

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compression coupling

Comparison of Compression Couplings to Other Pipe Connectors

Compression couplings offer distinct advantages and differences compared to soldered or threaded connections:

  • Soldered Connections: Compression couplings do not require heat and soldering skills, making them easier to install for individuals without soldering experience. Soldering can be time-consuming and requires open flames, which may not be suitable for certain environments.
  • Threaded Connections: Compression couplings do not require threading or special threading tools. Threaded connections may be prone to leaks if not properly sealed with thread sealants or tapes, whereas compression couplings provide a reliable and secure seal without the need for additional materials.
  • Installation Speed: Compression couplings are relatively quick to install compared to soldering or threading, reducing installation time and labor costs.
  • Repair and Replacement: Compression couplings allow for easier repair and replacement since they can be disassembled and reassembled without the need for specialized tools.
  • Flexibility: Compression couplings can join pipes of different materials, while threaded connections may require adapters. Soldered connections are limited to joining pipes of the same material.

Ultimately, the choice between compression couplings, soldered connections, and threaded connections depends on factors such as the installer’s skill level, installation time, environment, and compatibility with different pipe materials.

compression coupling

Design Contributions to Leak-Proof Performance of Compression Couplings

The design of compression couplings plays a significant role in ensuring their leak-proof performance. Several design elements contribute to this:

1. Compression Seal: The core principle of compression couplings is the compression seal. These couplings feature a threaded nut that, when tightened, compresses the fitting onto the pipe or tubing. This creates a secure and tight connection that prevents leaks. The compression action of the nut forces the sealing material against the pipe, creating a watertight seal.

2. Sealing Materials: Compression couplings often include a sealing material, such as a rubber gasket or an O-ring. This material helps to create a reliable seal between the coupling and the pipe. The choice of sealing material is crucial, as it needs to be compatible with the fluid being transported and resistant to deterioration over time.

3. Threaded Design: The threading on the compression coupling and the corresponding pipe or tubing ensures a secure connection that resists forces that could cause the coupling to come loose. The threads maintain a consistent pressure on the sealing material, maintaining the integrity of the seal even under pressure or movement.

4. Precision Manufacturing: High-quality manufacturing processes ensure that the components of the compression coupling fit together precisely. This minimizes the risk of gaps or imperfections that could lead to leaks. Precision manufacturing also contributes to the durability and long-lasting performance of the coupling.

5. Visual Inspection: Many compression couplings have a visible indicator that shows when the coupling is properly tightened. This visual cue helps installers ensure that the coupling is tightened to the correct level, enhancing the reliability of the seal.

The combination of these design features results in compression couplings that provide a dependable and leak-proof connection for plumbing and piping systems.

compression coupling

Working of Compression Couplings for Joining and Sealing Pipes

Compression couplings provide a reliable method of joining and sealing pipes without the need for soldering or welding. Here’s how they work:

  1. The compression coupling consists of several components, including a body, compression nuts, and a compression ring or insert.
  2. To begin the installation process, the ends of the pipes to be connected are cut cleanly and smoothly.
  3. The compression nut is then threaded onto one end of the pipe, followed by the compression ring or insert.
  4. The pipe end with the compression nut and ring is inserted into one end of the compression coupling body.
  5. The other pipe end is similarly prepared with a compression nut and ring and inserted into the opposite end of the coupling body.
  6. The compression nuts are tightened using appropriate tools, applying pressure to the compression rings or inserts.
  7. As the compression nuts are tightened, the compression rings or inserts are compressed against the pipe ends and the inside of the coupling body.
  8. This compression creates a watertight and secure seal between the pipes and the coupling.
  9. The coupling provides a firm connection that resists leaks and can withstand pressure from the flowing fluid.
  10. The result is a joined and sealed pipe connection that requires no soldering or welding and can be completed quickly and easily.

Compression couplings are commonly used in plumbing and piping systems for their ease of installation, versatility, and ability to create reliable connections without the use of heat or special skills.

China Hot selling PVC Compression Coupling  China Hot selling PVC Compression Coupling
editor by CX 2023-12-25