Ductile Iron Butterfly Valve
Introduction:
Ductile iron butterfly valve is a butterfly valve made of ductile iron. According to the excellent characteristics of ductile iron material, it is used in more labor situations and has a wider range of applications.
Characteristic:
The carbon content of ductile iron exceeds 13%, which is much higher than that of cast steel. The carbon in cast iron exists in the form of naturally free graphite flakes. In ductile iron, graphite flakes are specially processed into tiny spheres. Specially treated spheres, ductile iron can improve physical properties, ductility and impact resistance more than cast iron and steel. Compared with cast steel, the tensile strength and yield strength of ductile iron are no less than that of cast steel. In some operating situations, such as in water, salt water, steam piping systems, the corrosion and oxidation resistance of spherical ink cast iron material exceeds that of cast steel material
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