Product design and scope
Design standard:API 609
Length of structure:API 609
Flange connecting end:ASME B16.5/ASME B16.47
Wall thickness:ASME B16.34 
Inspection and test:API 598
Pressure and temperature rating:ASME B16.34
Fireproof test:API 607
Product scope:NPS 3″~NPS 80″, CL150~CL1500 
Main body material:WCB､LCB､WCC､WC6､WC9､CF8､CF8M､CF3､CF3M､A890 4A etc.
Drive device:handle, worm wheel, electric, pneumatic etc.