... moq: 2000m specification1.ISO2531 &EN545 certificated by SGS2.DN80--1200 T-type 6 meter3.zinc spraying, bitumen coating,cement lining , ... The pipes standard in accordance with ISO2531,Class K9, L=6000mm,2.T-Type joint and selfrestrained joint duictile iron pipe with ... pipes according to the european standard EN5457.matched all necessary T-type normal rubber gaskets in accordance with ISO4633. pipeline ...