1) type: SWING CHECK VALVE,LIFT CHECK VALVE,BUTTERFLY SWING CHECK VALVE 2)BODY: WCB, LCB, LCC, LC3, WC1, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M 3)DISC:ASTM A216 WCB+13CR OR STL;ASTM A351 CF8;ASTM A351 CF8M; 4)SEAT RING:A105+13CR OR STL;ASTM A351CF8;ASTM A351 CF8M 5)YOKE:ASTM A216 WCB,ASTM A351 CF8;ASTM A351 CF8M 6) Class: 150 - 1,500lbs 7) Size: 2 - 18" 8) Standards: API6D, BS1868, ANSI B16.34 a) Face to face: ANSI B16.10 b) End flange: ANSI B16.5 c) BW end: ANSI B16.25 d) Test: API598 9) Operator: handwheel, gear, electric actuator