Dongguan Xinshengji Hardware Products Co., Ltd
| Supply Ability | 6000000 |
| Opening pressure | 2-9mbar |
| Lead Time | 7–15 Days |
| Diameter | 19mm – 22mm (custom sizes available) |
| Body material | HDPE (High-Density Polyethylene) / PE |
| Working temperature | 175-200C° |
| Packaging Details | 57*37*42cm |
| Color | White, Black, or custom colors (MOQ applies) |
| Filter Paper | Optional (models with/without filter available) |
| Payment Terms | T/T,L/C,D/A,D/P |
| Attachment method | Heat-seal |
| Reusable | Generally single-use, not reusable |
| Membrane material | Food-contact silicone |
| Delivery Time | 5-7 days |
| Function | Allows release of carbon dioxide from coffee packaging while preventing oxygen entry |
| Capacity | 10,000,000 Pcs / Week |
| Branding | OEM Logo Embossing |
| Product name | One-Way Degassing Valve for Coffee Packaging |
| Model Number | A2+ |
| Place of Origin | Guangdong |
| Brand Name | XSJ |
View Detail Information
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Product Specification
| Supply Ability | 6000000 | Opening pressure | 2-9mbar |
| Lead Time | 7–15 Days | Diameter | 19mm – 22mm (custom sizes available) |
| Body material | HDPE (High-Density Polyethylene) / PE | Working temperature | 175-200C° |
| Packaging Details | 57*37*42cm | Color | White, Black, or custom colors (MOQ applies) |
| Filter Paper | Optional (models with/without filter available) | Payment Terms | T/T,L/C,D/A,D/P |
| Attachment method | Heat-seal | Reusable | Generally single-use, not reusable |
| Membrane material | Food-contact silicone | Delivery Time | 5-7 days |
| Function | Allows release of carbon dioxide from coffee packaging while preventing oxygen entry | Capacity | 10,000,000 Pcs / Week |
| Branding | OEM Logo Embossing | Product name | One-Way Degassing Valve for Coffee Packaging |
| Model Number | A2+ | Place of Origin | Guangdong |
| Brand Name | XSJ | ||
| High Light | Composite Pouch Breather Valve ，PE Flexible Packaging Vent Valve ，HDPE One-Way Air Valve | ||
Composite Pouch Breather Valve – One-Way Degassing Valve for Coffee Packaging
PRODUCT INFORMATIONS
Product Overview:
The Composite Pouch Breather Valve is a precision-engineered one-way degassing solution designed for flexible coffee packaging. This PE flexible packaging vent valve allows carbon dioxide (CO₂) to escape from freshly roasted coffee bags while blocking oxygen and moisture from entering. Made from food-grade HDPE material, this HDPE one-way air valve preserves coffee freshness, prevents bag inflation, and extends shelf life. Ideal for coffee roasters, private-label brands, and contract packagers seeking reliable, cost-effective valve solutions.
Key Features & Benefits
One-Way Degassing Technology
Valve opens at internal CO₂ pressure of 2–9 mbar to vent trapped gas, then auto-seals to block oxygen and prevent flavor oxidation.
Food-Grade HDPE Construction
FDA & EU food-contact HDPE. Durable, chemical-resistant and lightweight, lighter than metal parts.
Flexible Packaging Compatibility
PE flexible packaging vent valve, heat-sealable for manual & auto filling lines. Fits composite, stand-up, flat-bottom and kraft coffee bags.
Adjustable Venting Performance
Custom vent rate by adjusting pouch press holes. One valve suits all bag sizes.
Premium Aroma Retention
Vents CO₂ and aroma; one-way seal stops outside air from ruining coffee fragrance.
Brand-Ready Design
White, black & custom colors available. Custom valve position to avoid covering logos.
|
Item |
Specification |
|
Product name |
Coffee bag one-way degassing valve |
|
Product type |
HDPE one way air valve / composite pouch breather valve |
|
Body material |
Food-grade HDPE |
|
Membrane material |
Food-contact PE and silicone |
|
Available diameter |
20 mm / 24 mm / 28 mm / 30 mm |
|
Opening pressure |
2-9mbar |
|
Working temperature |
175-200C° |
|
Attachment method |
Heat-seal |
|
Colors |
White / custom |
|
Logo printing |
Available (OEM) |
|
Certifications |
FDA / EU food contact |
How It Works
· CO₂ builds up inside the pouch after roasting.
· Internal pressure opens the valve membrane.
· Gas escapes through the valve; pressure drops.
Valve reseals immediately. Oxygen and moisture cannot enter.
|
Feature |
Benefit |
|
One-way airflow |
Gas out, air blocked – coffee keeps its fresh taste |
|
Food-grade HDPE + silicone |
Safe direct food contact, export-ready materials |
|
Precise opening pressure |
Predictable degassing, no bag overpressure |
|
Compact design |
Fits pouch corners, easy stacking and shipping |
|
Strong sealing |
Stays airtight during handling and transit |
|
Custom branding |
Your logo on valve and packaging, brand consistency |
This one way air valve Perfect for coffee packaging and other flexible food packaging:
· Coffee bags – whole bean and ground
· Single-serve coffee pouches
· Nut and snack pouches
· Tea and dried food packaging
· Pet food pouches
· Other flexible packaging needing degassing
Proven Performance – Engineered with precision membrane technology that ensures reliable opening and closing cycles.
Quality Assured – Manufactured under ISO-certified processes with SGS-tested materials-.
Scalable Supply – High-volume production capacity with fast lead times (7–15 days)-.
Competitive Pricing – Cost-effective solution without compromising on quality or food safety compliance.
Global Compatibility – Designed to Goglio/WIPF industry-standard dimensions for seamless integration with existing packaging machinery.
How It Work
Contact our team today for pricing, samples, or custom specifications. We offer fast response times and global shipping.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2007
Total Annual:
>5
Employee Number:
>30
Ecer Certification：
Verified Supplier
Dongguan Xinshengji Hardware Products CO.,Ltd Established back in 2007, our factory is a professional integrated plastic packaging supplier with 12 years of industry dedication. We boast a complete industrial system covering independent plastic product development, custo... Dongguan Xinshengji Hardware Products CO.,Ltd Established back in 2007, our factory is a professional integrated plastic packaging supplier with 12 years of industry dedication. We boast a complete industrial system covering independent plastic product development, custo...
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