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JFA – Axial Jet Fan


The JFA is the AREM thruster designed to work in fire-risk environments. Mainly used in car parks, it enables smoke to be efficiently channelled towards the extractors. The high speed of the air jets improves the evacuation of the smoke and facilitates the intervention of the emergency services. Available with thrusts of 20N to 60N, it adapts to car park sizes from simple to complex. In comfort mode, it is also used to reduce the ppm emission level mainly by cars inside the enclosed area.

JFA Technical data


Certified to EN12101-3, the JFA is available in 3 temperature classes:

    • 400°C/2h
    • 300°C/2h
    • 200°C/2h


The JFA is made of pre-galvanised steel with a one-piece cylindrical design. It incorporates silencers at the fan suction and discharge. It has a support system enabling quick installation on a vault or structure intended for this purpose.

Available models:

    • JFA-S: Ø315mm, one-way
    • JFA-M: Ø350mm, one-way or reversible
    • JFA-L: Ø400mm, one-way or reversible