China Hot selling Compression Copper Connector/Brass Fittings/Plumbing Fitting/Copper Fitting/Water Fitting/Coupling with CE/Acs/Skz/Aenor Without Nickel Plated

Product Description


Essential details
Place of Origin: ZHangZhoug,China Material: Brass
Specification: 16-63MM Package: Customized
Thickness: 2.0, 2.5, 3.0, 4.0, 4.5, 6.0 Standard: AENOR,SKZ,WRAS,WATERMARK
Processing Service: Cutting Product name: Brass fittings
Application: Gas system,Water system, Air conditioning system Type: Plumbing hardware
Raw Material: Hpb58-2/CW617N/CW602N/CW511L Surface: Brass,Nickel or Chrome plated
Logo: Support custom logo Features: Corrosion Resistant,fire resistant,high pressure
MOQ: 800-1500pcs per size Shape: Round
Advantage: Flexible,easy to install    
Supply Ability
Supply Ability: 800 Tons per month
Packing Details: With craft paper, then plastic film outside/Plastic bag
Port: HangZhou or ZheJiang


Compression Fittings Structure
#1 Main body brass Hpb58-2/CW617N/CW602N/CW511L
#2 Nut brass Hpb58-2/CW617N/CW602N/CW511L
#3 Ring brass Hpb58-2/CW617N/CW602N/CW511L
#4 O-ring EPDM or HNBR
#5 Gasket PE


International Standards
1 EN ISO 21003 Multilayer piping systems for hot and cold water installations inside buildings
2 AS 4176.2 & 3 Multilayer piping systems for hot and cold water plumbing applications
3 ISO17484-2:2009 Multilayer Plastics piping systems for indoor gas installations
International Certificates
1 ACS refers to XP P41-250
2 Watermark refers to AS 4176.2 & 3
3 WRAS refers to Regulators’ Specification
4 ISO 9001:2015 Quality management system

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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

Challenges of Improper Compression Coupling Installation and Prevention

Improper installation of compression couplings can lead to several challenges, but these can be avoided through proper practices:

  • Leakage: Inadequate tightening or incorrect positioning of components can result in leaks. Ensure proper alignment and use appropriate tools for secure tightening.
  • Over-Tightening: Excessive force during nut tightening can damage the coupling or pipes. Use a calibrated torque wrench to achieve the recommended tightening torque.
  • Under-Tightening: Inadequate tightening can cause leaks due to insufficient compression of the sealing components. Use the appropriate wrenches to achieve the correct tightness.
  • Ferrule Damage: Incorrect placement or excessive force on the ferrule can lead to damage, compromising the sealing integrity. Follow manufacturer guidelines for proper ferrule installation.
  • Incorrect Pipe Insertion: Insufficient insertion depth of pipes into the coupling body can result in leaks. Ensure pipes are fully inserted according to manufacturer instructions.

Proper training, adherence to manufacturer instructions, and careful attention to detail during installation can help avoid these challenges and ensure a reliable and leak-free compression coupling connection.

China Hot selling Compression Copper Connector/Brass Fittings/Plumbing Fitting/Copper Fitting/Water Fitting/Coupling with CE/Acs/Skz/Aenor Without Nickel Plated  China Hot selling Compression Copper Connector/Brass Fittings/Plumbing Fitting/Copper Fitting/Water Fitting/Coupling with CE/Acs/Skz/Aenor Without Nickel Plated
editor by CX 2024-02-01