Valve cleaning step


Cleaning step The components of the valve must be proce […]

Cleaning step
The components of the valve must be processed through the following processes before assembly:
1. According to the processing requirements, some parts need to be polished, and the surface cannot be processed with burrs;
2. All parts are degreased;
3. After the degreasing is completed, the acid is washed and passivated, and the cleaning agent does not contain phosphorus;
4, after pickling and purification, rinse with pure water, there can be no drug residue, carbon steel parts save this step;
5. Dry the parts one by one with a non-woven fabric, and do not leave the surface of the parts such as wire wool, or blow dry with clean nitrogen;
6. Use a non-woven fabric or a precision filter paper to analyze the pure alcohol and wipe each component one by one until there is no dirty color.

  • 18yrs

    18 years experience in sanitaryware fitting industry

  • 30+

    Our products are sold to more than 30 countries and regions

  • 200+

    We have a large production team, R & D team

  • 30million

    Our factory has a total investment of more than 30 million.

  • 7000m2

    7000² square meters of factory area

  • 10+

    We have more than 10 patents for inventions