THERMODYNAMIC STEAM TRAP DSC DSC NO.D50 Ductile Iron MOP 17K x 230℃ DSC DSC No.D60 Cast Steel MOP 46K x 430℃ DSC DSC No.D60F Cast Steel MOP 46K x 430℃ DSC DSC No.D75 All S.S. MOP 46K x 430℃ DSC DSC No.D75F All S.S. MOP 46K x 430℃ DSC DSC No.D80 Forged Steel MOP 46K x 430℃