... (BL),Socket Weld flange SW), Plate flange(PL),Threaded flange (TH),Lap Joint Flange (LJF), Orifice Flange, Reducing Flange, Pad Type ... ),straight / reducing tee(TC/TR) ,SO ,WN,PL,BL,SW,TH flanges,pipe end cap,eccentric/concentric reducers ;sprial welded steel ...