... Technical data:Orifice diameter: 3 ~ 250mmMaterial:Cast iron,SS304,SS316Principle: direct action, step-by-step and pilotSeal: NBR, FKM, PTFE , copperFluid: liquid ... ): dCIIT4/T5S: hand reset open and closed OK87 Piston oil,gas,steam,Acetylene,diesel fuel,LPG,LNG Stainless Steel/Cast Iron Solenoid Valve