Xinda pelosi co.,limited
Xinda pelosi co.,limited
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| Coffee Valves Components | Item No. | HZV6F | ||
| Membrane | Silicon | |||
| Valve body | PE material | |||
| Oil | Silicon oil | |||
| Filter | Non-woven fabric | |||
| Coffee Valves Characteristics | Outside diameter | 20mm 0.15mm | ||
| Inside diameter | 17mm 0.15mm | |||
| Thickness | 5.3mm 0.15mm | |||
| Weight | 0.83g 0.03g | |||
| Opening pressure | 5-8mbar | |||
| Closing pressure | 3mbar | |||
| Shape | dish shape | |||
| Standard | national standard | |||
| Flow direction | one-way | |||
| Coffee Valves Applications | Flexible packaging which requires aroma protection for roasted coffee. | |||
| Pet food packaging - Expels air out of pet food packaging. | ||||
| Storage Conditions | Normal temperature | |||
| The product should be stored in its original packaging out of direct sunlight. Excessive handling should be avoided | ||||
| Working Conditions | Type of connection: hot pressing | |||
| Pressure environment: normal pressures | ||||
| Working temperature: normal temperature | ||||
| Drive mode: manual | ||||
One-Way Functionality: The primary feature of a one-way degassing coffee valve is its ability to allow gases, primarily carbon dioxide, to escape from the coffee packaging while preventing air from entering. This helps maintain the freshness and quality of the coffee by releasing built-up gases without allowing oxygen in, which could lead to oxidation and flavor degradation.
Pressure Relief: The valve is designed to relieve internal pressure caused by the release of gases during the coffee roasting and packaging process. By allowing gases to escape, it prevents the coffee packaging from swelling or bursting due to pressure buildup.
Material Composition: One-way degassing coffee valves are typically made from food-grade materials such as plastic or rubber. The materials used are chosen for their durability, flexibility, and compatibility with coffee packaging materials.
High Temperature Resistance: Since coffee beans are often roasted at high temperatures, the valve must be able to withstand these temperatures without deforming or malfunctioning. High-temperature resistance ensures that the valve remains effective during the roasting process and throughout the coffee's shelf life.
Sealing Properties: The valve is designed to create a secure seal with the coffee packaging to prevent air from entering once the package is sealed. This ensures that the coffee remains fresh and flavorful for an extended period.
Compatibility: One-way degassing coffee valves are compatible with various types of coffee packaging, including bags, pouches, and valve inserts. They can be integrated into the packaging during the manufacturing process or applied separately as adhesive valves.
Size and Shape Variants: These valves come in different sizes and shapes to accommodate various packaging designs and volumes of coffee. Manufacturers may offer a range of valve options to suit different packaging requirements and preferences.
FDA Compliance: To ensure food safety, one-way degassing coffee valves are designed and manufactured in compliance with relevant regulations and standards, such as those set by the U.S. Food and Drug Administration (FDA) or equivalent regulatory bodies in other regions.
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.
