... , Ductile Iron, SS, WCB Certification: ISO, CE Butterfly Valve Lug Type ISO9001 certifiedCE approvalAWWA C504 passedFeature: 1. Design Complies with MSS ... 6. Actuator: Lever, Gear, Penumatic and Electric ActuatorMedium: Fresh water, sewage, sea water, air, vapour, acid, alkalis and so on.For catalog ...