new PE material coffee bag one way valve

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$0.0313 - $0.0381 / Piece | 10000.0 Piece/Pieces (Min. Order)
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Quick Details
Brand Name:
Model Number:
Place of Origin:
Guangdong, China
Industrial Use:
Product name:
coffee bag one way valve
1 g per valve
Ouside Diameter:
Inner Diameter:
Coffee bag
Good Exhaust performance
Air exhaust for Coffee bean packaging
Test method:
Test method
Supply Ability
Supply Ability:
150000 Piece/Pieces per Week
Packaging & Delivery
Packaging Details
10000pcs in a carton

new PE material coffee bag one way valve




Product Description

Product detail:


The coffee one way degassing valves is especially suitable for bean coffee and ground coffee.


The coffee one way degassing valve effectively vents CO2 gas build-up while sealing-out environmental oxygen, moisture and contaminants.


Freshly roasted coffee releases gas and continue to do so for up to 7 days. Our coffee one way degassing valve will help release the gas while preventing air.


Installing our one way degassing coffee valves is a must for coffee packaging.


Quality control tests ensure consistent opening and closing pressure and periodic tests with fresh product are done on a routine basis to verify real life performance.




Product show:







Frequently Ask Questions of One Way Degassing Valves:

1. What is coffee One Way Degassing valve?

One way degassing coffee valves are vital to maximizing freshness by allowing freshly roasted coffee to degas in the package.

Our one way degassing valves are industry proven to effectively and effectively vent CO2 gas build-up while sealing out environmental oxygen, moisture and contaminants.


2. Can the coffee valve customized to allow air to escape more quickly for larger package?

We can also custom fabricate valves to meet specific requirements.


3. Can one way degassing coffee valves be used under water?

We do not recommend that coffee one way degassing valves be used while immersed in water.


4. What is the purpose of silicon oil? How does the performance change without the silicon?

It is so that air will not come back in after a while. Most products packaged with valves are sensitive to oxygen and moisture, and the silicon oil ensures that it functions as a one way degassing valve.



It is our goal that your satisfaction is 100% complete. If for any reason you are not completely satisfied with our products please contact us via telephone or email ASAP.


Our aim is "quality first, reasonable in price and based on honesty".
We sincerely make friends with everybody all over the world and welcome your inquires.



Coffee Bag One-way Valve