Suitable medium:Water,Vapour,Oil; Material:Grey iron,Ductile iron Packing:bags or containers Main parts and materials Parts nameMaterialValve body/BonnetGrey iron,Ductile ironDiscGrey iron,Ductile iron StemCarbon Steel,,Brass/Stainless SteelYoke nutBrass,Ductile ironFunction and specification TypeNominal pressure (Mpa)Testing pressure Suitable temperature(°c)Suitable mediumStrength(Water)(Mpa) ...