| Product Detail |
| Product Name | Unidirectional / one way degassing valve |
| Model number | A1 |
| Feature | Good for coffee bags Reserve |
| Material | PE & PVC gasket |
| OEM/ODM | Welcome |
| Usage | Coffee bean doypack |
| Processing | Plastic injection molding |
| Caliber | 23mm |
| Height | 4m |
| Color | Pantone colors available |
| Payment method | Western Union,Bank Transfer , letter of credit |
| shipping time | Around five days |
| Package | The best cardtone |
| Packing box size | 50*33*43cm |
| Unidirectional Degassing Valve Picture |



| Usage |
The unidirectional degassing valve , as named as one way degassing valve , are usually hot sealed on
package , which easy produce air , C02 air , expanding gas . Like the package below :
1. Install on coffee bean doypack , coffee paper bags , coffee kraft box
2. Packing on the bags of jams , like ketchup, strawberry , salad , noodle jams
3. Pet's receipe compound bags , like pet cat , dogs , pig , and etc
4. Bakery powder , flavour , bakery bean , snack package bags
5. Seasoning sauce packing bags
| Advantage |
1. After roasting, the coffee bean or coffee powder will produce air , and can easy cause bag expansion ,
the unidirectional valve are good for coffee beans reserve .
2. 100% food grade PE material , is of safty and eco-friendly .
3. Cut off air reflow , prevent the outside air into bags
4. Keep the coffee beans fresh , prolong the period of validity