... (WN Flange,SO Flange, PL Flange, SW Flange, BL Flange,LJ Flange) Stub end, Cap, Union Outlets / Branch Fittings - socket outlet ... /wn flange/carbon steel flangesize3/8''~160''TypeLap-Joint Flange (LJ), Socket-welded Flange (SW), Slip-on Flange (SO), Welding-Neck ...