hot press welded large size fittings 1) Type: Straight and reducing tee 2) Material: 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 ... :ISO2000 quality-system have been passed hot press weled large size fittings