... astm a888, en877, astm a74, bs 437Hubless/socketless Cast Iron Soil/drainage Pipes and fittings has long been employed by ... with plastic(PVC) pipes, cast iron pipe is more durable. Furthemore, cast iron pipe has excellent noise suppression and fire ... single branches, double branches, corner branches, unequal branches, down pipe support, spigot caps, reducer, traps, access pieces with circle door, ...