... been employed by the building industry as a reliable drainage system, widely used in sanitary Drain, Waste, and Vent, sewer drainage ... more than 150 items and sizes, such as BEND, DOUBLE BEND, WYE, DOUBLE WYE, SAN TEE, VENT TRAP, etc.Surface finish: Anti ... paint.Packing: Steel cases.3) Couplings. we have ASTM A564 TYPE, TYPE B, E, CHA, for EN877 standardsMaterial: 300 series Stainless steel and ...