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, the surface can not be processed burrs, etc.; 2, all parts are degreased;
3. After the degreasing is completed, the acid washing and passivation are carried out, and the cleaning agent does not contain phosphorus; 4. After pickling and passivation, it is rinsed with pure water, and there is no residue of the drug, and the carbon steel parts are omitted; 5, one by one The fabric is wiped dry, and the surface of the parts can not be left by wire, or dried with clean nitrogen; 6. Wipe the parts one by one with non-woven fabric or precision filter paper, 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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Tag: Valve Assembly Technical requirements Passivation Parts
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