... ISO 6594 , ASTM A888 , EN 877 etc, Hubless Cast Iron Soil Pipes has been widely used in the building industry ... Compared with plastic(PVC) pipes, cast iron pipe is more soild and durable. Furthemore, cast iron pipe has excellent noise suppression and fire ... corner branches, unequal branches, down pipe support, spigot caps, reducer, traps, access pieces with circle door, access pipeces with rectangular ...