Valves can be used to control the flow of various types of fluids such as air, water, steam, corrosive media, slurries, oils, liquid metals and radioactive media. Xiaobian introduce you to the valve cleaning 6 steps today.
Valve cleaning 6 steps
1, according to the processing requirements, some parts need to be polished, the surface can not have processing burr;
2, all parts are degreased;
3, after degreasing pickling passivation, cleaning agents do not contain phosphorus;
4, pickling purified purified water rinse, can not have residual pesticides, carbon steel parts save this step;
5, one by one with a non-woven fabric to dry, can not be wired wool retention parts surface, or dry with a clean nitrogen;
6, with a non-woven or precision filter paper staining analysis of alcohol-by-component wipe, until there is no dirty color.
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