Single inlet, with direct drive, without heat insulation. Suitable for smoke extraction in case of fire for temperatures up to +600°C, 120 minutes. Approved for installation outside the building and outside the fire chamber or inside the building and outside the fire chamber if sufficient cooling of the motor (outside air max. 40 °C) is provided and there is no danger of heat radiation or contact with persons and/or combustible objects! Fan tested according to DIN EN 12101-3 and CE-certified with the certification number 0036-CPR-RG01-18. Can be used for as a standard ventilation fan up to an air temperature of + 100 °C. Installation of the fan authorised for horizontal shaft position only. Casing made of steel sheet, welded and coated, equipped with mounting channels, suitable for handing RD/LG 0°, 90°, 180° and 270°. Connecting dimensions according to DIN 24154, range 4 (suction side) / DIN 24158, range 4 (discharge side). Centrifugal impeller with backward curved laminar blades, welded and coated, fitted to motor shaft of a flanged IEC motor, placed out of the main air stream, statically and dynamically balanced in accordance to DIN ISO 21940-11. Impeller and motor can be removed as a unit (without duct dismantling). Single-speed three-phase motor in B5 design, protection class IP 55, thermal class F, 400V-50Hz. With external frequency converter speed-adjustable in frequency range from 25 Hz up to 60 Hz - also in case of fire !
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Fans
Smoke extract fans
Outside the hazardous area
600 C/2h
Centrifugal Smoke Extract - REM BU-4550-43-14-50
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