... Loose flange loose flange Size1/2"-28"Typeslip-on welding flang,lapped flange,integral pipe flange steel pipe flange ... ,threaded flange , slip-on flange socket welding flange ,lap joint flange welding neckflange ,blind flange, orifice flange ... reducing flange ,pad type flange ,loose hubbed flange welding plate flange pressure150lbs-2500lbsmaterialCarbon steel ,stainless ,Alloy StandardGB, ...