Wholesale Plastic One Way Vent Coffee Bean Bag Degassing Valve For Bagged Food
Theory:
1. Gas Release:
Degassing: Freshly roasted coffee beans or other products release CO₂ as part of the natural degassing process. If this gas is not allowed to escape, it can build up pressure within the packaging.
Vent Mechanism: The valve features a special membrane or flap that opens when internal pressure from the CO₂ exceeds a certain threshold. This allows the gas to vent out of the packaging.
2. Air Barrier:
Sealing: Once the internal pressure decreases and the CO₂ has been released, the membrane or flap closes, creating a seal that prevents external air from entering the package.
Oxidation Prevention: By keeping outside air out, the valve helps prevent oxidation, which can degrade the flavor and freshness of the product, such as coffee.
Product Description :
| Product name | One Way Vent Degassing Valve |
| Body Material | HDPE |
| Feature | Degassing Air for coffee bean and ground coffee packaging |
| External Diameter | 22X3mm (+/- 0.1) |
| Weight | 0.62g +/- 0.03 |
| Opening pressure | 2.0-8.0mbar |
| Sealing Range | 160-220℃, |
| depends on sealing time and pressure |
| Usage | Coffee Bean Bag |
Details:
Benefits
By allowing CO₂ to escape while keeping external air out, the valve helps preserve the product’s freshness, flavor, and aroma.The controlled release of gas prevents excessive pressure buildup that could cause the packaging to swell or burst.Reducing exposure to oxygen helps to extend the shelf life of the product, keeping it in optimal condition for a longer period.The valve ensures that the product maintains its intended quality from production through to consumption.
Applications
Coffee Packaging: Commonly used in coffee bags to manage the degassing of roasted coffee beans.
Other Products: Can also be applied to packaging for other food items that release gases or need to be protected from air exposure, such as certain snacks or specialty goods.
FQA:
Q:Can you accept small order?
A:Yes, we appreciate big orders, and we also accept small orders, thanks.
Q:I need some samples, how long you can send me?
A:We can offer free samples, and usually samples can be sent out within 48 hours.
Q:Can I make a visit to your company?
A:Of course, we always welcome customers visit our company and negotiate business face to face, thanks.
Q:How does it work?
A:The valve has a flexible membrane that opens when internal pressure from gases exceeds a certain level, allowing the gas to escape. Once the pressure normalizes, the membrane seals the package, preventing external air from entering.
Q:Can it be used for other products?
A:Yes, it can be used for other food products that release gases or need protection from air, such as certain snacks or specialty goods.
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