Shanghai Nellway Valve Co., Ltd.

Integrated backflow preventer

Backflow preventer

Integrated 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

Integrated backflow preventer Introduction and explanation

Table of Contents

 Product Introduction: Integrated Backflow Preventer

 Product Overview

The Integrated Backflow Preventer is a highly efficient device designed to prevent fluid backflow. It ensures water system safety and maintains fluid quality. The device features an advanced integrated design, combining multiple functions into one unit. This provides superior protection and streamlined performance.


 Product Advantages

  1. Effective Protection: The Integrated Backflow Preventer prevents water or other fluids from backflowing. It avoids system contamination. The dual-valve system quickly responds in any situation, ensuring high safety and reliability.
  2. Compact Design: The device has a compact structure. It occupies minimal space and simplifies installation and maintenance. The integrated design reduces the number of connection points, lowering the risk of leaks and potential failures.
  3. Durable Materials: Made from high-quality, corrosion-resistant materials such as stainless steel and high-strength plastics. The device offers exceptional durability and a long service life, even in harsh environments.
  4. Ease of Operation: The integrated design allows for easier maintenance and inspection. Built-in access ports make checking and servicing straightforward, reducing maintenance costs.
  5. Versatility: Suitable for various liquids, including clean water and non-corrosive fluids. Ideal for residential, commercial, and industrial applications.

 Product Structure

The Integrated Backflow Preventer includes:

– Inlet and Outlet Ports: Standardized connections for easy integration with different piping systems.

– Valve Assembly: Contains primary and secondary valves made from high-performance materials for excellent sealing and durability.

– Filter Screen: High-efficiency filter captures solid impurities, protecting the valves and system.

– Pressure Balancing Device: Adjusts for pressure fluctuations, ensuring stable operation.

– Access Ports: Conveniently located for easy internal component inspection and maintenance.


 Media and Applications

– Water: Mainly used for backflow prevention in potable water systems.

– Non-Corrosive Liquids: Suitable for various non-corrosive fluids, such as industrial water and mild chemicals.


 Usage Locations

– Residential: Provides backflow protection in household water systems, ensuring safe drinking water.

– Commercial Buildings: Ideal for offices, retail stores, and restaurants, protecting water systems from backflow issues.

– Industrial: Protects fluid transport systems in factories and production facilities, preventing contamination or system failures.

– Municipal Facilities: Used in city water supply and public facilities to ensure safe and stable water supply.


 Integrated vs. Conventional Backflow Preventers

  1. Design Structure

– Integrated Backflow Preventer: Features a compact, integrated design. It combines multiple functions into one unit. This design simplifies installation and maintenance, reducing connection points and minimizing leak risks.

– Conventional Backflow Preventer: Uses a segmented design with separate components. It requires more piping and connections, increasing the risk of leaks and system malfunctions.

  1. Installation and Maintenance

– Integrated Backflow Preventer: Its unified design makes installation straightforward and maintenance efficient. Integrated access ports simplify inspection and servicing.

– Conventional Backflow Preventer: The segmented design can complicate installation and maintenance. Multiple connection points may increase maintenance frequency and effort.

  1. Space Requirements

– Integrated Backflow Preventer: Its compact design requires less space, suitable for limited-space environments.

– Conventional Backflow Preventer: The segmented design often needs more space due to additional components and connections.


 Summary

The Integrated Backflow Preventer features an advanced design, efficient protection, and durable materials. It offers superior backflow prevention. Compared to traditional models, it is easier to install, requires less maintenance, and provides better reliability. It is ideal for residential, commercial, and industrial uses, ensuring fluid quality and system safety.

Integrated backflow preventer Parameter

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