Ductile iron K9 pipe Standard:GB/T13295,ISO2531, EN545 Specification:Pipe size DN80-DN1200 Ductile iron K9 pipeStandard:GB/T13295,ISO2531, EN545Specification:Pipe size DN80-DN1200T-Type Effective length:6M shippment: buly shipment Inner surface cement linning according to ISO4179 and outer surface bitumen lining according to ISO8179