Valve body USES comol material, lt is corrosion resistant and wear and tear resistant.
阀体材质络钼钢，耐腐蚀、耐磨损、经久耐用。
The impeller material, in addition to considering the centrifugal force under the action of mechanical strength, but also consider the material resistance to wear and corrosion resistant performance.
选择叶轮材料时，除了要考虑离心力作用下的机械强度以外，还要考虑材料的耐磨和耐腐蚀性能。
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