Verified by manufacturer over a year ago
Single leaf stairwell Natural Smoke and Heat Exhaust Ventilator (NSHEV)(OV)(AOV).
The Single leaf stairwell Natural Smoke and Heat Exhaust Ventilator is fitted with solid, insulated covers and has electric actuation for remote opening and closing.
The kerb is 305 mm in height with integral capflashing, 50 mm polyisocyanurate insulation with a U-value of 0.47 W/m²K, fully-welded at corners, and 114 mm mounting flange with 11mm holes provided for securing frame to the roof deck.
Features and benefits:
Curb 305 mm in height formed with a 114 mm flange.
L10/490 Roof ventilators
To BS EN 12101-2.
Control Panel Kit (Control Panel, MCP, and Smoke Detector).
Auto/ manual control switch.
Open/ close smoke vent switch, keyed.
Open/ close smoke vent switch, paddle.
OS2 control panel.
Open/ close switch.
Weatherproof open/ close switch.
MCP with break glass.
Double-skin aluminium, insulated.
Heavy extruded EPDM rubber gasket bonded to the cover interior to ensure a continuous seal when compressed to the top surface of the curb.
Explosion relief smoke vent
Maximum live load
Cover reinforced to support a minimum live load of 195 kg/m².
1/ 150th of the span (maximum).
A single linear actuator mounted on a pivoting carriage capable of opening the cover to the fire open position of 140º.
3 mm aluminium with a 100 mm beaded flange with formed reinforcing members. Polyisocyanurate insulation of 50 mm thickness with a U-value of 0.47 W/m²K. Insulation to be fully covered and protected by an aluminium liner.
Heavy pintle hinges; Curb mounted junction box with a terminal block enclosed for power cable connection.
NBS BIM object standard
This BIM object has been authored to meet the requirements of the NBS BIM object standard.
Find out more about the NBS BIM object standard.