Briefly describes the work of cleaning the titanium valve before installation

Sunrui titanium valve parts before assembly must go through the following process:
1, according to process requirements, some parts need to do the polishing processing, surface can't be machining burrs, etc.;
2, all parts for degreasing process;
3, degrease pickling passivation, after the completion of cleaning agent does not contain phosphorus;
4, rinse clean with clean water after pickling passivation, there can be no drug residues, carbon steel parts leave out this step,;
5 parts with non-woven fabric, shot for dry, not cable MAO retained components surface, or use a clean dry nitrogen;
6, with non-woven fabric or precision filter analysis of pure alcohol to wipe components one by one, until no dirty color.