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Check Valves

API 602 Check Valve

MAIN FEATURES:


Design standard:API 602/ BS 5352
The length of the structure:length of structure of socket welding / thread end of forged steel gate valve is manufactured by factory standard=ASME B16.10/ GB/T 12221
The length of structure of flange/ butt welding end of forged steel gate valve is manufactured by ASME B16.10/ GB/T 12221
Flange connecting end:ASME B16.5/GB/T 9113/HG/T 20592/ EN 1092.1
Butt welding connecting end:ASME B16.25/ GB/T 12224
Wall thickness:API 602/ASME B16.34/ GB/T 12224
Inspection and test:API 602/GB/T 13927
Pressure and temperature rating:ASME B16.34/ EN 12516 /GB/T 12224
Product scope:NPS ½″~NPS 2″  (DN15~DN50)  CL150~CL2500   (PN16~PN420)
Main body material:A105、LF2、F11、F22、F51、F91、F304、F316、F304L、F316L etc.