Extractor fan units with axial fans for immersed operation in fire risk zones.

Fan:
- Fan with tubular sheet steel casing.
- Galvanised sheet steel structure with thermal and acoustic insulation.
- Variable angle rotors made of cast aluminium.
- Approved in accordance with standard EN 12101-3. with certifications: 0370-CPR-0312 (F-400) and 0370-CPR-0974 (F-300).

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.
- Multi voltage motor. special design valid for 220/380V 60Hz. 254/440V 60Hz. 265/460V 60Hz. 277/480V 60Hz.
- Maximum temperature of air to be carried: S1 continuous operation -20ºC +40ºC. Also suitable for hot climates with temperatures up to 50ºC. S2 operation 300ºC/2h. 400ºC/2h.

Finish:
- Fan: Corrosion-proof finish of polyester resin polymerised at 190ºC. previously degreased with phosphate-free nanotechnological treatment.
- Box: corrosion-proof galvanised sheet steel.

On request:
- Motor-rotor airflow direction.
- Rotors 100% reversible.