One-Way Relief Valves

Also known as a thumbtack valve, low-cost plastic press-in style Breather Valve providing one-way pressure relief.

Small, low-cost Breather Valve providing one-way pressure relief with a screened mesh for air to pass through.

Lightweight, rugged and tamper-proof valve, designed to be low cost.

A hybrid of the TA333 and TA238 Breather Valves, combining the size and hex shape with a low cost screened cover.

Low cost, low profile Breather Valve designed for transit cases and similar applications.

Identical in performance to the TA333, excluding a manual release button. Ideal for situations not requiring a manual release button.

Designed to provide superior protection from sand and dust infiltration. Offered in “Cracking” and “Reseal” types.

Available in either Pressure or Vacuum models, the TA750 can be fitted with an optional manual relief button or knob.

High flow Breather Valve with a cover design similar to AGM’s TA333 Breather Valve. Highly resistant to high-pressure water streams.