... 1. Material: gray cast iron 2. Application: B B type cast iron pipe fittings for drainage GB/T12772-2008cast iron ... , corner branches, unequal branches, down pipe support, spigot caps, reducer, traps, access pieces with circle door, access pipeces with rectangular ... paint.Packing: Steel cases.3) Couplings. we have ASTM A564 TYPE, TYPE B, E, CHA, for EN877 standardsMaterial: 300 series Stainless ...