Welded vacuum bellows, vacuum valve, cleaned parts, sealed s

Writer： admin Time：2021-09-10 08:49 Browse：℃

Welded vacuum bellows, vacuum valves, cleaned parts, sealed and stored
1. Ensure that the installation workshop is clean, or build a temporary clean area, such as newly purchased color striped cloth or plastic film, to prevent dust from entering during the installation process. 
2. Assemblers wear clean work clothes, head hats, hair can not leak, feet wear clean shoes, hands wear plastic gloves, degreasing. 
3. Degreasing and cleaning the assembly tools before assembly to ensure cleanliness. Other requirements 1. The assembled valve should be purged with nitrogen for at least 1 minute. 2. The air tightness test uses pure nitrogen. 3. After passing the airtight test, seal it with a clean polyethylene cap. The polyethylene cap should be soaked in organic solvent and wiped clean before use. 
4. Then seal it with a vacuum bag. 
5. After packing. 
6. Measures must be taken to ensure that the package is not damaged during transportation.