... 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 ... America with more than 150 items and sizes, such as BEND, DOUBLE BEND, WYE, DOUBLE WYE, SAN TEE, VENT TRAP, etc.Surface ...