1.Diret driveType/ Normal close valve 2.100% tested to win customer 3.Good after-sell service 4.Fluid:Air , water,oil SpecificationsModel2W200-20Working MediumAir,Water,Oil,gasOperationDirect ActingActing TypeNormally ClosedOrifice Size(mm)20CV Value4.8Port Size3/4″Operation Fluid Viscosity20 CST BelowOperating PressureAir:0~1.0Mpa,Water:0~0.7Mpa,Oil:0.9MpaMax. Pressure Resistance1.0MpaOperating ...