延性铁管

RiZhao Zhufu IndustryCo., Ltdismanufacturerwhich produce water--cooled centrifugal casting ductile cast iron pipes according to ISO2531/ EN545/EN598 in China , it has been 10 years, we are qulified in the same industry. There are4 centrifugal casting machines and4 finishing lines for DN80-1600mm, which can produce 150 thousand tons per year covering 17 sizes. Material:Ductile iron (1) The standard:ISO2531-1998,EN545-2006/EN598,Class:K8,K9 (2) Effective length:6Mfor bulk shippment, 5.7M for 20' or 40' container shippment (3) Inner surface cement linningaccording to ISO4179 and outer surface zinc+bitumen coating according to ISO8179 (4) Zinc coating:at least 130g/m2 as per ISO8179 (5) Size rang DN80-DN1200mm for main and branch water supply pipeline . (6) T-type joint for easy connection. (7) High strength ,lighter than gray iron,good corrosion resistance,no furring,small flow resistance,easy fixing,long life time (8)Checked by automatic inspection equipment