Extraction units 400 ºC/2h to work outside the fire risk zone, driven by transmission with a backward curved impeller
Belt driven 400 ºC/2h extractor fan units with backward curved impeller equipped with an electric motors and a standardised set of pulleys, belts and guards according to ISO-13857.
Fan: • Sheet steel casing. • Backward curved impeller made of sheet steel. • Approved in accordance with standard EN 12101-3, with certificate no.: 0370-CPR-1578. • Standardised set of pulleys, belts and guards in accordance with standard ISO-13857. • Maximum temperature of air to be carried: -25 ºC +150 ºC.
Motor: • Motors with IE3 efficiency for powers equal to or greater than 0.75 kW, except single-phase, 2-speed and 8-pole. • Class F motors with ball bearings and IP55 protection. • Three-phase 230/400 V 50 Hz (up to 4 kW) and 400/690 V 50 Hz (powers greater than 4 kW). • Working temperature: -25 ºC +50 ºC.
Finish: • Galvanised steel sheet.
On request: • Special windings for different voltages.