One way unilateral air discharge valve dia 1.9cm for aluminum foil fertilizer bags
| Description |
1. Construction: PE main body + sillicon gasket + sillicon oil
2. Color : normally natural color , or custom as request
3. PE food grade , accept pasteurization 83°C anti-virus for 30 minute
4. Function : One way air discharge , effectly prevent bags from expanding
5. Sealed on fertilizer bags, coffee doypack , kraft paper , aluminum foil bags
| Product Detail |
| Item Name | Unilateral air discharge valve |
| Model num | A2 |
| Function | One way air discharge |
| Compose | food grade PE body & Silicon gasket &Silicon oil |
| Usage | Press on aluminum foil fertilizer bags |
| Pressure open | 2-8mbar |
| Pressure close | <2mbar |
| Height | 0.57cm |
| Outer Dia | 1.9cm |
| Outlook | Dish shape |
| Sample | Free sample available |
| Shipping method | By sea , air , express , or fowarder freight |
| Package | Inner poly & carton |
| Picture |



| Transport method |
| Service |
1. Quality first , we attach high importance on quality . Accept return if there's any quality problem within
15 days after receive items
2. Professional customer service , will give prompt reply within 16 hours
3. Product will be tested by professional test machine , to make sure the quality
4. OEM is sure
5. Hot press air discharge valve service can be offered , if need
If there's any question or confusion , pls kindly give us email or wechat us