The hatch vent AOV provides discharge of smoke and fumes with an opening angle of 140 degrees. It is available with either a solid aluminium insulated lid or a polycarbonate translucent panel.

Compliant to EN12101-2:2003, SHEVs are utilised to provide 0.7 sq/m of aerodynamic smoke exhaust ventilation at the head of an escape stair. Aerodynamic free area is stated on the proof of compliance document, the Declaration of Performance (DoP).

Stairs are generally ventilated by a 1.5 m 2 automatic stairwell ventilator (AOV) at the head of the stairs. Natural ventilation is the simplest and most cost effective choice where a ventilated corridor or lobby extends to an external wall.

A stairwell AOV is an automatic opening ventila-tor (AOV) which provides at least 1.0m2 of free area when open*. The installation is always located at the highest point in an evacuation stairwell and can take a number of forms.

2019年8月28日 · A stairwell AOV is a smoke ventilator which provides at least 1.0m 2 of free area when open. It usually serves one of two purposes: to evacuate any smoke that gets in the stairwell of small buildings to provide replacement air for a …

When a smoke detector is triggered, the AOV will open automatically to create ventilation and allow the smoke to escape. AOV’s are often fitted in stairways. Smoke vents are designed to basically clear all the fire escape lobbies and stair cases of any smoke.

Stairs are generally ventilated by a 1.5 m2 automatic stairwell ventilator (AOV) at the head of the stairs. Natural ventilation is the simplest and most cost effective choice where a ventilated corridor or lobby extends to an external wall.

Our CE-certified AOV casement window is a natural ventilation window that is suitable for natural, day-to-day ventilation and smoke ventilation. With its slim profile, it’s an aesthetic, high-grade …

Our stairwell smoke vent provide heat and smoke ventilation as well as a means of escape. Call 01276 451555 today.

Reliable sensing technology, operating between 9v - 33v. Single zone, 10 (2.5) amps. +10ºC through to +30°C.