Didtek Lift Wafer Check Valves are manufactured to the latest edition of API Standard 594 and tested to API 598 Standard.

Applicable Standards:
– Wafer Check Valve design according to API594,API6D
– Face to face ASME B16.10/API594
– End Flanges ASME B16.5/ASME B16.47
– Inspection and test API 598

Pressure Range:
– ASME CL, 150, 300, 600, 900

Tempreature Range:
– -50°C~650°C

Size Range:
– 1/2”~8”

Design Description:
– Light and Compact
– “”Zero Leakage””Sealing Design with Soft Seated
– Installed in the horizontal and vertical up positions
– Positive sealing under most operating conditions
– Long-lasting service with superior performance

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