Product design and scope
Design standard:BS 1873
Length of structure:ASMEB16.10
Flange connecting end:ASME B16.5
Butt welding connecting end:ASME B16.25 
Wall thickness:ASME B16.34 
Inspection and test:API 598
Pressure and temperature rating:ASME B16.34
Product scope:NPS 2″~NPS 24″,CL150~CL2500 
Main body material:WCB?LCB?WCC?WC6?WC9?CF8?CF8M?CF3?CF3M?A890 4Aetc.
Drive device:handle, bevel gear, electric, pneumatic, etc.