400 ºC/2h tubular axial extractor fans with short casings for immersed operation in fire risk zones.

Fan:
- Sheet steel tubular casing.
- Cast aluminium orientable rotors.
- Approved in accordance with standard EN-12101-3
- Airflow direction from Motor to Impeller.

Motor:
- Class H motors. S1 continuous operation and S2 emergency use. with ball bearings. IP55 protection and with 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:
- Anticorrosive finish of polyester resin polymerised at 190 ºC. previously degreased with phosphate-free nanotechnological treatment.

On request:
- Long case fans fitted with an inspection hatch.
- Rotors 100 % reversible.