hot press welded large size fittings 1) Type: Straight and reducing ... A234-WPB, A420-WPL6, 3) Size: 1/2"-48" hot press welded large size fittings1.Name :welded tee,welded elbow,welded ... reducer,cap,flange2.type:welded,ERW FITTINGS 3.Wall thickness:sch20,sch30 ... .Quality:ISO9001:ISO2000 quality-system have been passed hot press weled large size fittings