Food-Safe One-Way Degassing Valve With Filter For Coffee Bags – HDPE One Way Air Valve, Composite Pouch Breather Valve OEM

PRODUCT INFORMATIONS

Key selling points

One-way gas release: lets CO₂ out, keeps air and moisture out. Coffee stays fresh
longer.
Food-grade materials: HDPE body with food-contact silicone membrane. Safe for
direct food use.
Steady degassing: precise opening pressure prevents bag swelling and bursting.
Universal fit: works with composite pouches, PE flexible packaging and laminated
bags.
Easy integration: heat-seal or self-adhesive mounting, compatible with standard
bag-making lines.
Full customization: logo, color, size and MOQ tailored to your brand.

Product Overview:

Freshly roasted coffee releases CO₂. Pressure builds inside the sealed pouch.
Without a vent, the bag swells – or bursts. Our one-way valve solves this. It lets
excess gas escape. Then it reseals instantly. Oxygen and moisture stay outside.
Aroma stays inside. Shelf life is extended. This HDPE one way air valve is built for
coffee bags, composite pouches and PE flexible packaging. It is a reliable composite
pouch breather valve for roasters, packers and brand owners.

Application Scenarios

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.

Key Features & Benefits

Applications 

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

How It Work

If you need any of the following, please contact the customer service:
1. Need free samples;
2. Need the service of heat-sealing spout;
3. Produce based on samples, mold customization;
4. Need matching spout bags, complete shipment.