Therefore transportation of sulphuric acid valve is usually a high silicon iron pump (casting and machining difficult), high-alloy stainless steel pumps (on the 20th alloy) manufacturing.

因此输送硫酸的泵阀通常采用高硅铸铁泵(铸造及加工难度大)、高合金不锈钢泵(20号合金)制造。

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Usually there is a misunderstanding that the stainless steel pump is "universal", no matter what medium and environmental conditions are Pengchu stainless steel pumps, this is very dangerous.

通常有一种误区，认为不锈钢泵是“万能材料”，不论什么介质和环境条件都捧出不锈钢泵，这是很危险的。

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All pumps, piping, filter vessels, the rinse reservoir, and the housing must be made of 304 or 305 stainless steel or PVC or CPVC.

所有的泵，管路，过滤器，冲洗液循环槽及壳体必须用304或305不锈钢或PVC, CPVC材料制造。

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