CAST IRON F&T STEAM TRAP DSC DSC No.F2 ~ F8 SERIES MOP 17K x 230℃ DSC DSC No.F2F ~ F12F SERIES MOP 17K x 230℃ DSC DSC No.F12 MOP 17K x 230℃ DSC DSC No.F22,F22F MOP 20K x 250℃