Drainage Pipe Elbow

A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. It is provided with internal shoulder(s) at the end(s) of its internal threaded or unthreaded portion, whose inside diameter conforms to standard weight wrought iron pipe or copper drainage, waste and vent (dwv) tube. When connected, the mating pipes are close to the shoulders to eliminate pockets and provide a smooth flow of the pipe and/or fitting contents. It is designed to join two sections of pipe and/or pipe fittings. It may include side or heel inlet(s). Excludes BEND, SOIL PIPE; and ELBOW, RAILING.