Silent check valve

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Silent check valve

Silent Check Valves are recommended for commercial and industrial HVAC applications such as heating systems and condensate return lines. The valve closes silently, is low in cost, reliable and requires no regular maintenance.
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Compact structure

Wafer design, spring lift type, shut off by spring loaded plate, can provide better performance in eliminating water hammer.


Face to face dimension as per manufacturer’s standard.

Silent check valves are designed with ductile iron bodies, and replaceable seat, plug and spring.

Inherently fire safe design

All COTECH check valves are inherently fire safe due to the valve design, material and construction. In case of fire, both resilient seat and metal seat valves provide metal to metal sealing performance.

Light weight and reduced size

Installation costs are greatly reduced by COTECH’s light weight and minimal space requirements. The compact design minimizes the distance between flanges and is easily installed between all flanges.

Horizontal/Vertical installation

Unlike most traditional swing check valves, COTECH check valves are ideal for both horizontal and vertical pipeline installation.

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