Fire Hydrant, Voles Standards:ISO2531,EN545,EN598,BS4772Material: Ductile Iron (Standard GGG500-7)Coating: Electric-static epoxy in blue, black or red. Customer's request is acceptable also.Packing: Wooden pallets or cases.Mechanical properties:Tensile strength >420mpaElongation >5%Hardness<250HBProof stress >300mpaDuctile iron pipe fittings type:Flange Series: double flanged 11.25 22.5 45 90 ...