... of standard flanges and special application flanges.we can offer : Plate flange(PL flange),Slip-on flanges(SO flange),Welded neck ... (LJ)etc. Used for : petroleum,chemical,power,gas,water,linepipe, heat exchanger,shipbuilding etc.Dimensions:1) DN: 10-6002) OD: 1/2 ... polyethylene film or steel cases or as customers request. Loose plate flange