... choice for drainage inside the building.1) For no-hub pipe: Standard: EN877, ISO6594; ASTM A 888, CISPI301 Nominal Size: ... bends, single branches, double branches, corner branches, unequal branches, down pipe support, spigot caps, reducer, traps, access pieces with circle door ... cases.3) Couplings. we have ASTM A564 TYPE, TYPE B, E, CHA, for EN877 standardsMaterial: 300 series Stainless steel and EPDM ...