... 420(2Cr13), 304, 316, 304L, 316L, 38CrMoAlA, 5) Body and disc material: WCB, CF3, CF8, CF3M, CF8M etc. 4) Suitable medium ... Seal Butterfly ValveThree Eccentric Butterfly ValveWe also welcom your OEMTriple Offset Butterfly Valve 8) Operating type: Worm gear, pneumatic actuator7) ... 420(2Cr13), 304, 316, 304L, 316L, 38CrMoAlA, 5) Body and disc material: WCB, CF3, CF8, CF3M, CF8M etc. 4) Suitable medium ...