... Iron, Ductile Iron, SS, WCB Certification: ISO, CE Butterfly Valve Lug Type Disc Without PinISO9001 certifiedCE approvalAWWA C504 passedFeature: 1. Design Complies with ... A216 WCB4. Disc: NBR ( Buan-N), EPDM, VITON, PTFE5. Shaft & Pin: SS410, SS416, SS304, SS316 6. Actuator: Lever, Gear, Penumatic and ... and so on.For catalog, Pls visit www.metalvalves.com Butterfly Valve Lug Type