1. material: grey iron 2. strictly produced to EN877, ISO6594, ASTM A888. 3. painting: ... applications. Compared with plastic(PVC) pipes, cast iron pipe is more soild and durable. Furthemore, cast iron pipe has excellent noise suppression and fire ... branches, corner branches, unequal branches, down pipe support, spigot caps, reducer, traps, access pieces with circle door, access pipeces with rectangular ...