延性铁管

Material:Ductile iron (1) The standed:ISO2531-1998,EN545-2002,Class:K8,K9 (2) Effective length:6M by buly shipment,5.6M by 20' or 40' container (3) Inner surface cement linningaccording to ISO4179 and outer surface bitumen lining according to ISO8179 (4) Zinc casting:at least 130g/m2 as per ISO8179 (5) DN80-DN1000mm (6) T-type (7) Coating:Inside cement lining or epoxy lining pipes can be provided as per buyer's requests (8) High strength ,lighter than gray iron,good corrosion resistance,no furring,small flow resistance,easy fixing,long life time. (9) Checked by automatic inspection equipment.