Didtek Cast steel Check Valves are manufactured to the latest edition of BS1868 and tested to API Standard 598.
Applicable Standards:
– Check valve, BS1868
– Steel Valves, ASME B16.34
– Face to face ASME B16.10
– 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”~36”

Design Description:
– Outside Screw and York
– Bolted Bonnet and Pressure Seal
– Welding seat rings or Renewable seat rings
– Flange Ends
– Buttwelding Ends “

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