Systemair BKF 630D4-6-XL/F400 - Centrifugal rectangular duct fan, 400°C/2h

Dual purpose fans: normal ventilation plus smoke and heat extract • 400°C/120 min (F400) • Continuous operation up to 120°C media • Casing made of zinc-magnesium coated steel (ZM) • Backward curved impeller made from pre-galvanized steel or from steel and galvanized • Motor outside the air stream • Single speed IE2 motors (IE1 exceptions at some items up to 0,55 kW and 8 pole) rsp. two speed motors • PTC serial built-in motor • Certified according EN 12101-3 by BSI • Installation possible in all positions, flange connection 30 mm • Installation outside building or inside building, outside fire zone in well ventilated rooms BKF smoke and heat extract fans are used in case of fire to extract smoke gases and also during normal working conditions for standard ventilation. Smoke free escape routes assist egress and provide clear access points for fire departments. Extracting poisonous and hot gases also make fire extinguishing easier and reduce the damage on the building. Applications: malls, garages, warehouse...