the centrifugally cast ductile iron pipe are manufactured  and tested according to ISO2531:1991(E)/BSEN 545 standard,Class K9, with size of 6 meters in length and from DN80 to DN2600 with up-to-date technology and equipment.

Internal protection:spun the blast furnace cement mortar lining complying with the standard ISO4179,we also may offer special protective coating according to customers requirements.

External protection:metel zinc complying with the standard ISO8179,and bitumen coating according to BS 3416, or special protective coating according to customer's requirements

Joint Accessories:102% SBR rubber rings,102% Galvenized carbon steel gland,bolt,nut and other required accessories