Pump casing, casing cover and impeller from molded from pure polypropylene.

泵壳体 、 壳体盖和叶轮由纯聚丙烯模制而成.

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The pump casing shall have an integrally cast hand hole supplied with a hand hole cover.

泵壳上应该具有整体铸造的探孔,并配置探孔罩盖.

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Pump body & pump casing made by alloy copper and stainless steel. reliable and corrosive - resist.

泵机体, 马达 外壳,以炮金铜及不锈钢材质制成,坚固耐蚀,轴心不锈钢304.

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Space is too small will cause the impeller and pump casing friction wear.

间隙过小会造成叶轮与泵壳摩擦产生磨损.

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