Product design and scope
Design standard: BS 1868/API 6D
Length of structure: ASME B16.10/API 6D
Flange connecting end: ASME B16.5/ASME B16.47
Butt welding connecting end: ASME B16.25
Wall thickness: ASME B16.34
Inspection and test: API 598/API 6D
Pressure and temperature rating: ASME B16.34
Product scope: NPS 2″~NPS 40″, CL150~CL1500
Main body material: WCB、LCB、LCC、WC6、WC9、C5、CF8、CF8M、CF3、CF3M、A890 4A etc.
API check valve, swing check valve, stainless steel check valve