Jintang ductile cast iron pipes Co.,Ltd has been manufacturing series of ductile cast iron fitting according to ISO2531 standard
Jintang ductile cast iron pipes Co.,Ltd.Strictly conforms to the international standard and European standard,during hydraulic pressure test the pressure is 1 Mpa Higher than that prescribed in the standards.
As well ductile cast iron pipes is of excellent impact strength so that could moderate the requirements of construction of pipeline bed and protection layer,thus laying pipeline could be economical and reliable In addition,external zinc spraying and bitumen coating,internal cement lining etc.could ensure the internal and external anticorrosion of pipline.The quality of zinc sprying conforms to ISO8179,the minimum of zinc spraying per square meter is 130g,and the thickness of bitumen paint is not below 70μm.At the same time cement lining in compliance with ISO4197 could ensure mortar firm,dens,smooth and adhesive.
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