Explosive Environments Using Air Pressure Switches

Open An Automatic Door in an Explosion Proof Room without Blowing Up


A customer required a switching solution for an air operated door. The door opens to a room with high explosion risk. Electricity could not be present at the switch to open the door due to the room’s environment. See how Presair was able to provide an effective and safe solution in the below video.



Solution Diagram



Air Switch Description

Presair air switches deliver complete electrical isolation with zero voltage at the point of actuation. The air switching system connects the air switch to an air bellow using air tubing. When the air bellow is pressed, it sends a pulse of air through the tubing actuating the air switch.

Presair air switches cost is comparable or lower than conventional controls to meet the needs of the original equipment manufacturer.


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