Wafer type dual plate check valve (Retainerless type)

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Wafer type dual plate check valve (Retainerless type)

Retainerless design valves are standard in COTECH dual plate check valves; we also can provide valves with retainer plug upon request
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Retainerless design

COTECH dual plate check valves are offered as retainerless in wafer, lug, flanged, hub end, butt-weld end and thread end body style.


All product registered by LR’s in accordance with CE/PED.

API 594 and API 6D certificate issued by American Petroleum Institute.

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@wafercheck.cn 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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