Roof
DVN … F4
Smoke extraction fan certified to EN 12101-3, class F400.
Centrifugal fan with backward-curved blades and vertical discharge. Housing made of weatherproof AlMg3 aluminium with 40 mm mineral wool insulation. The air outlet is protected by a protective grille. Base plate made of sheet steel. Tilting fan for cleaning and maintenance.
Impeller with backward-curved blades, mounted on the shaft of an IEC three-phase motor with a special shaft seal to prevent oil and water ingress. Balancing with motor according to quality class G 6.3 of DIN / ISO 1940. Speed control only possible via a frequency converter. The drive motor is located outside the air flow.
Specifications:
| Diameter: | 225 mm to 710 mm |
| Flow rate: | up to 18.000 m³/h |
RDM 56 and 57
12 sizes available.
Smoke exhaust fan certified according to EN 12101-3, class F400 (RDM 56) or F600 (RDM 57). Tower-type exhaust fan with vertical air discharge.
Housing made of corrosion-resistant aluminium, with two opposing air outlets.
Automatic shutters close the discharge openings when the unit is not in use, preventing the ingress of snow, rain or cold air.
The discharge openings are fitted with a protective grille.
Centrifugal turbine with backward inclined blades, made of welded steel plates and coated with epoxy resin. The motor and turbine assembly is dynamically balanced, class Q 2.5 to DIN ISO 1940. All parts subjected to mechanical tests are made of galvanised steel plates.
Motor type B5, IP55, ISO F, located outside the air flow, inside a thermally insulated protective cover.
Specifications:
| Flow rate: | up to 50.000 m³/h. |
DHN … F4
Smoke extraction fan certified to EN 12101-3, class F400.
Centrifugal fan with backward-curved blades and horizontal air discharge. Housing made of weatherproof AlMg3 aluminium with 40 mm mineral wool insulation. The air outlet is protected by a protective grille. Base plate made of sheet steel. Pivoting fan for cleaning and maintenance.
Impeller with backward-curved blades, mounted on the shaft of an IEC three-phase motor with a special shaft seal to prevent oil and water ingress. Balancing with motor according to DIN
G 6.3 of DIN/ISO 1940. Speed control only possible via a frequency converter. The drive motor is located outside the air flow.
Specifications:
| Diameter: | 225 mm to 630 mm |
| Flow rate: | up to 15.000 m³/h |