Features:1) Comply with ISO2531 and EN545 standards2) K9 class3) Effective length: 5.5, 5.6, 6m4) Type of joints: push-on flexible joint, mechanical joint, restraint joint5) Diameter range: DN80mm-DN1600mm 6) Inner lined with cement and outside coated by zinc and bitumen 7) We also produce flanged pipes. Flange is cast or screwed on the pipes 8) Pipes are widely used for water delivery producing area:China