CVT/ATEX Centrifugal Roof FansCentrifugal Roof Fans

Centrifugal roof fans, with vertical air outlet and aluminum hood. ATEX 2G or 2D certification with flameproof Ex db, increased safety Ex eb or dust ignition proof Ex tb motor to work in explosive gas or dust atmospheres.

Fan:
• Backward curved impeller.
• Bird protection grid.
• Aluminum rain cover.
• Maximum temperature of air to be carried: -25 ºC +80 ºC.
• Standard marking with flameproof motor (Ex db): II 2G Ex h IIB T4 Gb.
• Standard marking with increased safety motor (Ex eb): II 2G Ex h IIB T3 Gb.
• Standard marking with motor for dust ignition proof (Ex tb): II 2D Ex h IIIC T135 ºC Db.

Motor:
• Class F motors with ball bearings and ATEX certification flameproof Ex db, increased safety Ex eb or dust ignition proof Ex tb.
• Three-phase 230/400 V 50 Hz (up to 4 kW) and 400/690 V 50 Hz (powers greater than 4 kW).
• Working temperature: -20 ºC +40 ºC.

Finish:
• Galvanised steel sheet and aluminum.

On request:
• Motors with built-in PTC.
• Special windings for different voltages and frequencies.
• ATEX construction for flammable dust.
• ATEX fan with greater protection than the standard marking.
• Fans with 2 speed motor.
• Ex db flameproof single-phase motors.