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Masq Engineers

We are manufacturers of industrial valves.We “MASQ Engineers” are a prominent firm that is engaged in Manufacturing of a wide range of valves meant for large scale industries.We have a comprehensive range of products which can serve your extensive needs. Our product range includes Check Valves, Ball... Read more

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Wafer Type Check Valve

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Wafer Type Check Valve

The Wafer Type Check Valve is an ultra-compact, high-efficiency backflow prevention solution designed to fit between standard pipe flanges. Unlike traditional swing check valves, the wafer design eliminates the bulky body and flanged ends, resulting in a valve that is significantly lighter, shorter, and easier to install in tight piping configurations.

It is the ideal choice for modern industrial systems where space optimization and cost-efficiency are high priorities.

Key Performance Features:-
  • Space-Saving Profile: The "sandwich" design features a very short face-to-face dimension, reducing the overall footprint of the piping system.
  • Lightweight Construction: Being up to 80% lighter than conventional full-bodied check valves, it reduces the need for heavy pipe supports and simplifies handling.
  • Spring-Assisted Closure: Most wafer check valves (especially dual-plate models) utilize a spring to ensure the valve closes before flow reversal occurs, significantly reducing the risk of water hammer.
  • Low Pressure Drop: Engineered with streamlined internals to provide maximum flow capacity with minimal resistance.


Technical Specifications:-

Feature Details
Design Types Dual Plate (Butterfly), Single Plate (Disc), or Tilting Disc
Body Materials Cast Iron, Ductile Iron, WCB (Cast Steel), CF8M (316 SS)
Seat Materials EPDM, Viton, NBR (Resilient) or Stainless Steel (Metal)
Pressure Ratings PN10, PN16, ANSI Class 150, Class 300
Installation Fits between ANSI, DIN, or BS Flanges

Common Applications:-

Wafer check valves are widely used across various liquid and gas utilities:

  • HVAC Systems: Preventing backflow in chilled water and heating circuits.
  • Water Distribution: Ideal for high-rise building pumping systems and municipal water lines.
  • Industrial Cooling: Used in power plants and refineries for cooling water loops.
  • Pneumatic Systems: Reliable backflow prevention for air and gas lines.
  • Desalination & Marine: Stainless steel or bronze versions are excellent for seawater applications.


Installation Versatility:-

One of the greatest advantages of the wafer type check valve is its flexibility. While standard check valves are often restricted to horizontal lines, the spring-loaded wafer design can be installed in both horizontal and vertical (upward flow) pipelines. This versatility, combined with its "bolt-through" mounting, makes it a favorite for engineers designing complex modular systems.

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