Yingli told you what to do if the valve body rusts?
Firstly, choose the correct materials. The valve body material needs to consider corrosion and pressure and temperature resistance.
Secondly, under low pressure and temperature conditions, using non-metallic materials as valve body materials can often effectively prevent corrosion.
In addition, the outer surface of the valve body is also subjected to atmospheric corrosion, and generally steel materials are protected by painting.
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