Motorized Linear Stage

The SHEV system and smoke vents also enable fireman and first responders to enter the area, implying that passages are sufficiently clear for them to attend to occupants in need as well as reach the source of the fire in order to extinguish it.

For a smoke vent system such as this to work optimally, it is required to have replacement or 'make up' air to offer fresh air openings in the much lower part of the building to achieve the effect of a rising thermal current and draw smoke, fumes and heat out of the building. This can be achieved by utilizing Automatic Opening Vents (AOV) and doors.

Upon detection of smoke, these AOVs will open automatically through electric actuators (motors) or magnetic locks. Firefighters are given the ability to override this system at various manual call points placed throughout the building. A system such as this will be linked to a central control panel as well as a battery backup, guaranteeing that the SHEV will work even if the mains supply fails.

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Mechanical ventilation systems are typically used where natural ventilation is limited due to architecture. This can occur in higher buildings where smoke buoyancy and up-venting are insufficient. In these cases, smoke shafts are placed beside common areas such as stairs, lobbies and corridors to extract smoke and heat.

Even in the absence of a natural smoke vent system, this enables improved safety conditions allowing occupants to evacuate the building and firefighters and first responders to access the scene and accomplish their work rapidly and efficiently.

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