ADV-B - Mechanical Smoke Extract Roof Ventilator
Rated as approved Smoke Extract / Fire ventilator, at 300 Deg C for 1 hour.
Special units available with volumes up to 27.8cu.m.s.
Available with external maintenance switch.
Standard unit fitted with butterfly dampers, available with magnetic locks to eliminate flapping in windy conditions.
Typical Applications: Smoke extract for Industrial Buildings, Commercial Buildings and Shopping Centre Malls.
Also suitable for daily ventilation.