Other Requirements For Valves
- Dec 03, 2018 -

1, the Assembly completed valve with nitrogen at least swept for 1 minutes.

2, air tightness test must be with pure nitrogen.

3, airtight test qualified after encapsulation, with a clean polyethylene cap seal, polyethylene cap used before the use of organic solvent immersion, wipe clean.

4, and then sealed with a vacuum bag.

5, the final boxed. 6, the transport process to take measures to ensure that the seal is not broken.