Materical:PE,EVA,PTFE,SS

Set up:

1.useed hand press zipper profiles let seal,

2.uesed  sealing,tape and clamp let colsed.

3.used aspiration column let film cover to be vaccume

4.colse flexible tube valve ,let all leakage film be vaccume

if gas leakage,In flexible tube Leak Detection will test gas pressure not vaccume,then will  shut down  gas control vavle.stop,so gas will be not  continue leakage,then let wokers repair pipeline.

https://www.youtube.com/watch?v=riYDZ5VAhro