维持一个硬或碱的水碳酸钙有的质量陷入造成比较少的腐蚀物浇水予甜胜于柔软或产生酸的水。

Maintaining a hard or alkaline water quality where calcium carbonate has a tendency to precipitate results in a less corrosive water than a soft or acidic water.

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这种特别耐用的合金能够成功地抵抗长时间高温、硬水、酸、腐蚀物和热冲击所产生的破坏作用。

This tough alloy successfully resists the effects of prolonged high operating temperatures, hard water, acids, corrosion, and thermal shock.

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评论：对于非腐蚀性和高纯度产品，这是一种非常可靠的阀门。但是，它的设计使得它不适合用于腐蚀物和超高纯度产品。

Comments: this is a very reliable valve for non-corrosive and high purity products. However, the design makes this valve inappropriate for corrosives and ultrahigh-purity products.

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