Detailed Product Description Our enterprise has passed ISO9001:2000 Quality System Certificate, if need, we could provide Certificate Paper. Standards:ISO2531,EN545,EN598,BS4772 Material:ductile iron; grey iron; customer's drawings are accepted, usually GGG500-7, GGG450-10 Coating:Fusion bonded epoxy coating Accessories:Gaskets,bolts and nuts Minimum order: According to detailed sizes Sample: ...