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Breather Valves and Pressure Differentials in the Aerospace Industry

AGM Container Controls Breather Valve

Understanding Breather Valve Pressure Ratings

Breather valves are rated for two different pressures: Cracking pressure and full-flow pressure. The difference between these two measurements is another significant source of misunderstanding on part of many design engineers.

Moisture diffusion and condensation causes damage to the contents of sealed enclosures.

September 24, 2020

Moisture Diffusion, Condensation, and the Trouble with Airflow in Sealed Enclosures

After moisture or water vapor enters a sealed enclosure, it diffuses through the air inside, where it can later condense during temperature changes. Condensation is a common obstacle in designing sealed enclosures intended to house electronics or …

Pressure Relief Valves vs Immersion Proof Breathers

Breather valves and immersion breathers both relieve pressure but operate differently and have different implications for moisture control. We'll look at the differences here and provide best practices for installation.

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How to Relieve Pressure Differentials on Sealed Cargo Containers During Rapid Decompression Events

Rapid decompression can create dangerous pressure differentials in a fraction of a second. Such differentials cause sealed cargo containers to rupture or explode if the pressure is not quickly relieved and brought to a tolerable level.

How to Manage the Effects of Diurnal Temperature-Cycling on Sealed Containers

Diurnal temperature-cycling is the fluctuation in temperature that occurs throughout a day; or, more specifically, throughout a 24-hour period. As the day wears on, temperatures rise steadily, beginning just after dawn, and then cool, starting in …

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