... Iron, Ductile Iron, SS, WCB Certification: ISO, CE Butterfly Valves Wafer Type Two Shaft, Disc Without Pin ISO9001 certifiedCE approvalAWWA C504 passedFeature ... : 1. Design Complies with MSS SP-67 and API 6092. Size: 1.5" to 48", available ... : SS410, SS416, SS304, SS316 6. Actuator: Lever, Gear, Penumatic and Electric ActuatorMedium: Fresh water, sewage, sea water, air, vapour, acid ...