Flanges have a lot of kinds,such as steel pipe flange,threaded flange,slip-on flange/slip-on welding flange(SO),socket welding flange(SW),lap joint flange(LJF),welding neck fange(WNF),orifice
flange,blind flange,reducing flange,stud end,spacer,spectacle blind,figure 8 blind...
Reducer have CON reducer and ECC reducer.
carbon steel,alloy steel,stainless steel pipe fittings