Gear pump commonly used materials are stainless steel, cast iron, cast steel, the scope of application of these materials vary, the following to do a brief introduction. 1, stainless steel, stainless steel pumps generally use 304 and 316 stainless steel, which is characterized by corrosion-resistant, hygienic, mainly used in chemical, food, pharmaceutical and other corrosive high and sanitation requirements relatively high areas. 2, cast iron material, more pump applications of this material, the pump low cost, wide range of uses, easy maintenance, low cost, the pump does not have corrosion and health requirements. 3, cast steel, cast steel pump is generally used for conveying solid particles containing wear and tear of the larger industries. Cast steel hardness, high temperature. 350 degrees in the normal operation of the temperature.
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