Medium pressure single inlet centrifugal fans, equipped with backward curved impeller, designed for spray booths. 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. They can also be supplied with a motor without ATEX category for ATEX category 3 fans only inside the fan.

Fan:

• Sheet steel casing.

• Backward curved impeller in extremely robust sheet steel, specially designed for clean or dusty air.

• Fitted with inspection hatch.

• Maximum temperature of air to be carried: -25 ºC +120 ºC.

• Standard marking Ex db version with flameproof motor (Ex db): II 2G Ex h IIB T4 Gb.

• Standard marking Ex eb version with increased safety motor (Ex eb): II 2G Ex h IIB T3 Gb.

• Standard marking for Ex n version with motor without ATEX category: II 3G Ex h IIB T3 Gc only inside the fan.

Motor:

• Class F motors with ball bearings and ATEX certification flameproof Ex db, increased safety Ex eb or dust ignition proof Ex tb. Also motor without ATEX classification.

• 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:

• Anti-corrosive with ATEX paint, free of iron components, in polyester resin polymerized at 190 ºC, after degreasing with phosphate-free nanotechnological treatment.

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.

Medium pressure single inlet centrifugal fans, equipped with backward curved impeller, designed for spray booths, with ATEX certification