Description of technical requirements for assembly of vacuum ball valves

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.