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Valve Cleaning Steps
Nov 15, 2018

Valve parts must be treated with the following procedures before assembly:

1, according to the processing requirements, some parts need to do polishing treatment, the surface can not have processing burrs and so on;

2, all parts for skimming treatment;

3, after the completion of pickling passivation, cleaning agent does not contain phosphorus;

4, pickling and purification with pure water rinse clean, can not have pharmaceutical residues, carbon steel components to save this step;

5, one-by-one parts with non-woven fabric drying, can not be wired wool and other retained parts of the surface, or with clean nitrogen to blow dry;

6, with non-woven fabric or precision filter paper dipped in the analysis of pure alcohol to each component to wipe, until there is no dirty color.