Fire Dampers

Pressure Relief Venting must be given serious consideration when installing a High Volume Gaseous Fire Extinguishing System. When a Inert gas based product is released into a protected space the gas expands rapidly forming a 'Pulse' Pressure significantly high enough to possibly damage the structure of the room or building. The Pressure Relief Vent has an unique interlocking Aerofoil balanced blades which starts to open at 75 - 105 pascals.