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    2. Silent check valve

      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.


      Design

      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.


      If you have any enquiry about quotation or cooperation,please feel free to email us at engineering@www.phqingjie.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

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