Didtek Dual Plate 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
– Buttwelding ends ASME B16.25
– Inspection and test API 598

Pressure Range:
– ASME CL, 150, 300, 600, 900, 1500, 2500

Tempreature Range:
– -50°C~650°C

Size Range:
– 2”~60”

Design Description:
– Light and Compact
– “”Zero Leakage””Sealing Design with Soft Seated
– Non Salm Design
– Installed in the horizontal and vertical up positions
– Disc open 82°to ensure a low pressure drop
– Positive sealing under most operating conditions
– Bubble Tight Close Off

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