泵体、泵盖的材质采用铸钢ZG230-450的较多，也可以采用球墨铸铁材质，两种材质对比后者的耐磨性和硬度以及耐温性要因为前者。
Pump cover material with steel ZG230-450 more, can also be used ductile iron, the latter two materials contrast of wear resistance and hardness and heat resistance to be because the former.
泵壳是由铸钢与钢板焊接而成的。
根据泵承受的最大压力，泵体和泵盖材质采用灰口铸铁(1.6 Mpa)、球墨铸铁(2.0 mpa)、铸钢(2.5 Mpa，包括不锈钢)。
According to the maximum pressure to bear, pump body and cover can be made of grey cast iron (1.6mpa), spheroidal graphite cast iron (2.0mpa) or cast steel (2.5mpa, including stainless steel).
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