What are the valve assembly technical requirements?
Valves are a kind of commonly used hardware products. Valves also have certain technical requirements before assembly and assembly. Otherwise, the assembled valves are not able to reflect their excellent performance. What are the valves in the assembly process? Technical requirements?
Pre-assembly requirements for valve 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 washing passivation is carried out, and the cleaning agent does not contain phosphorus;
4, pickling and passivation, 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.
Technical requirements for valve assembly:
1. The installation workshop must be clean, or set up a temporary clean area, such as the use of newly purchased color strips or plastic film to prevent dust from entering during the installation process.
2, the assembly workers must be dressed in clean cotton overalls, wearing a cotton cap, hair can not leak, wear clean shoes, hand wearing plastic gloves, skim.
3. The assembly tool must be degreased and cleaned before assembly to ensure cleanliness.
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