Design standard:ASME B16.34/ API 608
Length of structure:ASME B16.10
Flange connecting end:ASME B16.5
Butt welding connecting end:ASME B16.25
Wall thickness:ASME B16.34
Fireproof test:API 607/API 6FA
Inspection and test:API 598
Pressure and temperature rating:ASME B16.34
Product scope:NPS 1/2″~NPS 8″,CL150~CL600  
Main body material:WCB､LCB､WCC､CF8､CF8M､CF3､C3M､A890 4A､A105､LF2､F304､F316､F304L､F316L etc.
Valve seat material:PTFE､RPTFE､NYLON､DEVLON､Derlin､PEEK､PPL or metal hard seal etc.
Drive device:handle, worm wheel, electric, pneumatic etc.