400 ºC/2h and 300 ºC/2h axial fans with acoustically insulated box
Extraction units with axial fans to work immersed in fire risk areas.
Fan: • Fan with tubular sheet steel casing. • Galvanised sheet steel structure with thermal insulation and acoustic insulation. • Variable angle impeller made of cast aluminium. • Approved in accordance with standard EN 12101-3, with certifications no.: 0370- CPR-0312 (F400) and 0370-CPR-0974 (F300).
Motor: • Class H motors for S1 continuous operation and S2 emergency use. With ball bearings, IP55 protection and 1 or 2 speeds, depending on model. • Motors with IE3 efficiency for powers equal to or greater than 0.75 kW, except single-phase, 2-speed and 8-pole. • Three-phase 230/400 V 50 Hz (up to 3 kW) and 400/690 V 50 Hz (powers greater than 3 kW). • Maximum temperature of air to be carried: S1 -20 ºC +40 ºC continuous service, also suitable for warm climates with temperatures up to 50 ºC. S2 operation, 300 ºC/2h, 400 ºC/2h.
Finish: • Fan: anti-corrosive in polyester resin polymerized at 190 ºC, after degreasing with phosphate-free nanotechnological treatment. • Box: anti-corrosive in galvanised sheet steel.
Available versions: • CJTHT: axial fans with acoustically insulated boxes. • CJTHT/ATEX: axial fans with acoustically insulated boxes and ATEX certification, category 3 Ex II3G for zone 2 (only 400 ºC/2h and 300 ºC/2h). • CJTHT/PLUS: axial fans with acoustic attenuators.
On request: • Airflow direction from impeller to motor. • 100% reversible impellers.