Cleaning steps of copper valve
XINBAODA
Release time
2018-07-23 10:17
Summary
copper valve:
1. According to the requirements of production and manufacturing, some parts need polishing treatment, and the surface layer cannot be manufactured.
2, all parts are deoiled;
3, pickling and phosphating are carried out after deoiling, and the cleaning solution does not contain phosphorus;
4, after phosphating treatment and purification, clean and tidy with purified water without drug residue, alloy steel components omit this step;
5, scrub parts one by one with non-protective cloth, do not leave the surface layer of components such as cable TV wool, or air dry with clean ones;
6, clean parts one by one with non-protective cloth or high-density sterilization filter with analytical pure alcohol, until there is no dirty color.
2018-07-23