... 1. Material: gray cast iron 2. Application: B B type cast iron pipe fittings for drainage GB/ ... no-hub pipe: Standard: EN877, ISO6594; ASTM A 888, CISPI301 Nominal Size: DN50-DN300. Surface finish: Epoxy ... 3) Couplings. we have ASTM A564 TYPE, TYPE B, E, CHA, for EN877 standardsMaterial: 300 series ... Stainless steel and EPDM rubber.Packing: Cartons. B type cast iron pipe fittings for drainage GB/ ...