Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
80mm-1200mm ductile cast iron pipe just for underground water transmission and normal usage K8 K9 K10
Ductile cast iron pipe
1.Standard: ISO2531-1998,EN545-2002, Class: K8 K9 K10
3.Effective length 6m by bulk shipment, 5.6m for 20'' container
4.inner surface cement linning according to ISO4179 and outside surface
bitumen lining accordign to ISO8179
5.Zinc coating: at least 130g/m2 as per ISO8179
7.Coating.inside cement lining or epoxy lining pipes can be provided as per buyer's request
8.high strength,lighter than gray iron, good corrosion resistance,no furring,small flow
resistance,easy fixing, long life time.
9.Tested by automatic inspection equipment