Product design and scope
Design standard:API 526
Sizing,Selection and Installation:API 520
Flange connecting end:ASME B16.5/16.47
Seat Tightness:API 527
Pressure and temperature rating:ASME B16.34
Product scope:NPS 1/2″~NPS 32″,CL150~CL2500 ,
Main body material:WCB､LCB､WCC､WC6､WC9､CF8､CF8M､CF3､CF3M､A890 4A,A105､LF2､F11､F22､F51､F91､F304､F316､F304L､F316L etc