hot press welded large size fittings 1) Type: Straight and reducing tee ... ) Material: A234-WPB, A420-WPL6, 3) Size: 1/2"-48" hot press welded large size fittings1.Name :welded tee,welded elbow,welded ... ,DIN 26155.Quality:ISO9001:ISO2000 quality-system have been passed hot press weled large size fittings