... including flange, elbow, tee, reducer, pipe and pipe fittings have been exported to more than 20 countries, such as ... Flange,LJ Flange) Stub end, Cap, Union Outlets / Branch Fittings - socket outlet , threaded outlet , welded outlet, Nipple - swaged , equal , unequal / reducing ... SW), Slip-on Flange (SO), Welding-Neck Flange (WN), Threaded Flange (TH), etc.American SeriesCLASS 150, CLASS 300, CLASS 400 ...