Roof or wall extract fan
The Whirlwind is a low profile, upward discharge, roof or wall mounted powered extract ventilator designed to deal with localised air quality and overheating problems as well as to provide general comfort control. It is suited to most industrial and commercial buildings.
Whirlwind Powered Ventilator 500-W4/05
500 mm nominal fan size.
Whirlwind Powered Ventilator 630-W4/06
630 mm nominal fan size.
Whirlwind Powered Ventilator 800-W4/08
800 mm nominal fan size.
For 500 mm and 630 mm units.
For 500 mm, 630 mm and 800 mm units.
Polyester powder coating
Manufacturer's standard via mill finish
Standard product features
Whirlwind is manufactured to the ISO 9000 quality standard.
A non-return shutter opens when the fan is in use and locks closed when the fan stops running.
Bases and installation:
Whirlwind can be orientated at any angle from the horizontal to the vertical. Its wide range of base types and the fact that it is lightweight means that it can be installed into nearly any type of roof or wall structure. All versions except the 800 mm unit can be installed directly into glazing.
Whirlwind produces airflows of between 1.5 m³/s and 4.8 m³/s. Its noise output ranges from 49 to 67 dB(A) at 3 m.
Nominal fan sizes: