Shanghai Nellway Valve Co., Ltd.

Copper thread low resistance backflow preventer

Backflow preventer

Copper thread low resistance backflow preventer

NameparameterNameparameter
Nominal DiameterDN50-DN500ConnectionFlange(RF,MF,RJ)
Nominal PressurePN10-PN16Drive ModeElectric,Pneumatic,Manual,Hydraulic
Medium Temperature-29-300℃SealingSoft seal/Hard seal
MaterialCarbon steel:A216 WCB;WCC; A105

Stainless steel:304;316;304L;316L

GGG40(GJS-400-15);GGG50(GJS-500-7)

Design StandardsAPI、ANSI、DIN、GB
Working ConditionsChemical; Petroleum; Natural gas; Water; Paper; MetallurgyMediumWater;Gas

Copper thread low resistance backflow preventer Introduction and explanation

Table of Contents

Product Introduction: Copper Thread Low Resistance Backflow Preventer

Product Overview:

The Copper Thread Low Resistance Backflow Preventer is designed to prevent the reverse flow of liquids, gases, or other media. It features a low resistance design that minimizes the impact on flow rates. Its threaded connection allows for easy installation. Made from high-quality copper, this device offers durability and effective backflow prevention.


Product Advantages:

  1. Low Resistance Design: The backflow preventer has a low resistance design. This minimizes pressure loss and maintains optimal flow rates. It prevents backflow effectively.
  2. Durable Construction: The preventer is constructed from premium copper. This material offers excellent resistance to corrosion and wear. It ensures long-lasting performance and reliability.
  3. Ease of Installation: The preventer features a threaded connection. This design allows for easy and secure installation. It provides a leak-proof connection and simplifies the setup process.
  4. Effective Backflow Prevention: The device reliably prevents reverse flow of media. It protects the system from contamination and potential damage.
  5. Low Maintenance: The design of the preventer is simple and robust. It requires minimal maintenance, reducing overall upkeep and operational costs.

Product Structure:

The Copper Thread Low Resistance Backflow Preventer includes several components:

– Body: Made from high-quality copper. This provides durability and resistance to corrosion.

– Threaded Connections: Features threaded ends. These ensure a secure and leak-proof installation in piping systems.

– Check Mechanism: Incorporates a check valve with a low resistance design. This mechanism prevents backflow while minimizing pressure loss.

– Sealing Components: Equipped with high-quality seals and gaskets. These ensure reliable operation and prevent leakage.


Applicable Media:

The Copper Thread Low Resistance Backflow Preventer is suitable for various media:

– Potable Water: Ideal for drinking water systems. It ensures that water remains uncontaminated.

– Industrial Water: Suitable for industrial applications involving water or other liquid media.

– Gases: Can be used in gas systems to prevent backflow and maintain system integrity.

– Chemical Solutions: Effective in chemical processing systems. It protects against backflow of hazardous chemicals.


Application Areas:

  1. Potable Water Systems: Used in municipal and residential water systems. It prevents contamination and maintains the safety of drinking water.
  2. Industrial Pipelines: Ideal for industrial environments where water or other liquids are transported. It safeguards against reverse flow and system damage.
  3. Gas Systems: Utilized in gas pipelines to prevent backflow. It ensures the safe operation of gas distribution systems.
  4. Chemical Processing: Suitable for chemical processing applications. It prevents reverse flow of potentially harmful chemicals.

The Copper Thread Low Resistance Backflow Preventer is essential for maintaining system integrity and preventing contamination. Its low resistance design, durable construction, and ease of installation make it a reliable choice for both residential and industrial applications.

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