... Compared with plastic(PVC) pipes, cast iron pipe is more durable. Furthemore, cast iron pipe has excellent noise suppression and fire resistant ... choice for drainage inside the building. 1) For no-hub pipe: Standard: EN877, ISO6594; ASTM A 888, CISPI301 Nominal Size: ... cases. Packing: Steel cases. 3) Couplings. we have ASTM A888 TYPE, TYPE B, E, CHA, for EN877 standards Material: 300 series Stainless ...