Forge steel Check Valves are manufactured to the latest edition of API Standard 602 and tested to API Standard 598.

Applicable Standards:

– Check valve, API602,BS5352,ASME B16.34

–Socket Welded ends ASME B16.11

– Screwed ends ASME B1.20.1

– End Flanges ASME B16.5

– Buttwelding ends ASME B16.25

– Inspection and test API 598

Pressure Range:

– ASME CL, 150,800,900,1500,2500

Tempreature Range:

– -29°C~650°C

Size Range:

– 3/4”~2”

Design Description:

– Bolted Bonnet and Pressure Seal and Welded Bonnet

– Piston Disc&Swing Disc&Ball Disc

– Flange Ends&SW&BW&NPT