Full Lift Pressure Safety Valve Parts name Materials Valve body WCB Seat ring,Adjusting ring,Valve guide,Adjusting screw,Stem 2Cr13,Stainless steel Bonnet,Protective cover WCB Spring 50CrVA,Spring steel Functions: Type Nominal pressure(MPa) Testing pressure Working pressure classes A41H-16C 1.6 2.4 0.1-0.14 0.14-0.2 0.2-0.3 0.3-0.45 0.45-0.65  0.65-0.9  0.9-1.2  1.2-1.6 Dimension: Dimensions(mm)   150 Lb Nominal Diameter(in) d0 D D1 D2 b […]