PRESSURE-SEALING SWING CHECK VALVE MAIN SPECIFICATIONDesign and Manufacture:ANSI B16.34,API6D,BS1868Face to face dimensions：ANSI B16.10,API6DButt weld connection:ANSI B16.5Test and inspecton:API 598,API6D Materials Pplit Pin Material 16 Split Pin Stainless Steel 15 Washer Stainless Steel 14 Disc Pin CS/SS 13 Hinge Pin CS/SS 12 Seat Ring CS+SS/SS/SS+STL 11 Disc CS+SS/SS/SS+STL Part Name WCB LCB WC6 WC9 10 Yoke Stud&Nut A193 Gr B7/A194 Gr 2H A320 Gr L7/A194 Gr 4 A193 Gr B16/A194 Gr 4/7 A193 Gr B16/A194 Gr 4/7 09 Cover Stud&Nut A193 Gr B7/A194 Gr 2H A320 Gr L7/A194 Gr 4 A193 Gr B16/A194 Gr 4/7 A193 Gr B16/A194 Gr 4/7 08 Gasket Soft Iron Soft Iron Soft Iron Soft Iron 07 Thrst Ring A217 Gr CA15 A351 CF8 A217 Gr CA15 A217 Gr CA15 06 Back Up Ring A217 Gr CA15 A351 CF8 A217 Gr CA15 A217 Gr CA15 05 Yoke A216 Gr WCB A352 Gr LCB A217 Gr WC6 A217 Gr WC9 04 Hinge A216 Gr WCB A352 Gr LCB A217 Gr WC6 A217 Gr WC9 03 Cover A216 Gr WCB A352 Gr LCB A217 Gr WC6 A217 Gr WC9 02 Bonnet A216 Gr WCB A352 Gr LCB A217 Gr WC6 A217 Gr WC9 01 Body A216 Gr WCB A352 Gr LCB A217 Gr WC6 A217 Gr WC9 Part Name C5 C12 CF8 CF8M 10 Yoke Stud&Nut A193 Gr B16/A194 Gr 4/7 A193 Gr B16/A194 Gr 4/7 A193 Gr B7/A194 Gr 2H A193 Gr B7/A194 Gr 2H 09 Cover Stud&Nut A193 Gr B16/A194 Gr 4/7 A193 Gr B16/A194 Gr 4/7 A193 Gr B7/A194 Gr 2H A193 Gr B7/A194 Gr 2H 08 Gasket SS304 SS304 SS304 SS316 07 Thrst Ring A217 Gr CA5 A217 Gr CA5 A351 Gr CF8 A351 Gr CF8M 06 Back Up Ring A217 Gr CA5 A217 Gr CA5 A351 Gr CF8 A351 Gr CF8M 05 Yoke A217 Gr CA5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M 04 Hinge A217 Gr CA5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M 03 Cover A217 Gr CA5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M 02 Bonnet A217 Gr CA5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M 01 Body A217 Gr CA5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M