Double Flange Zipper,Having Flange on both sides of the zipper. Equal or unequal
MEDIUM & HEAVY duty applications.Design
Material:EVA，PTFE(no zipper type),stainless steel
1.Used zipper then let zipper profiles sealing,
2.Used sealing,tape and clamp set closed.
3.Used aspiration column let film cover to be vacuum
4.colse flexible tube valve ,let all leakage film be vaccume
If liquid leakage or film cover broken.In flexible tube Leak Detection will test
liquid pressure not vacuum,then will close the control valve.stop,so liquid will
