Powerful jet fans 300 ºC/2h and 400 ºC/2h unidirectional or reversible with circular (THT/IMP-C), octagonal (THT/IMP-L) or painted octagonal (THT/IMP-O) design.



  • Unidirectional or reversible fan assembly composed of fan, silencers, deflectors and supports, approved for smoke evacuation, according to EN 12101-3, with certification No.: 0370-CPR-1363 (F400) and 0370-CPR-0822 (F300).
  • Adjustable cast aluminum propeller, designed to obtain high thrust.
  • Contact protection grille according to UNE-EN ISO 12499 standard in unidirectional models.
  • Deflector to increase air reach, on the discharge side. Reversible models are equipped with deflectors on both sides.
  • High attenuation silencers with thermal and acoustic insulation.
  • Safety switch, IAT series incorporated into the fan (THT/IMP-L and THT/IMP-O) or on demand (THT/IMP-C).
  • Motor-propeller air direction or 100% reversible.
  • THT/IMP-C: Circular casing in painted steel sheet.
  • THT/IMP-L: Galvanized steel sheet casing.
  • THT/IMP-O: Painted sheet metal casing.
  • THT/IMP-LS: Reduced length enclosure, made of galvanized steel sheet.


  • Class H motors for continuous use S1 and emergency use S2. With ball bearings, IP55 protection and 2 speeds.
  • Three-phase 400 V 50 Hz DAHLANDER.
  • Maximum temperature of the air to be transported: S1 Service -25 ºC +40 ºC continuously, also suitable for hot climates with temperatures up to 50 ºC. S2 service 300 ºC/2h, 400 ºC/2h.


  • Anticorrosive in polyester resin polymerized at 190 ºC, after degreasing with phosphate-free nanotechnological treatment (THT/IMP-C, THT/IMP-O) or galvanized steel sheet (THT/IMP-L).

On request:

  • Thrust performance other than those indicated.