Large airflow ventilation units equipped with Plug Fan and acoustic casing with interchangeable covers for easy installation. 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:
• Aluminium profile structure.
• Covers with a high quality, 25 mm thick acoustic casing made of prefinished sheet.
• Backward curved impeller.
• Standardised inlet and outlet flanges allowing for easy installation in ducts.
• Interchangeable covers to supply air on either side.
• Air inlet nozzle with diffusers that increase the efficiency of the fan.
• Silentblocks to avoid the transmission of vibrations and a correct anchoring of the equipment.
• Non-sparking inlet ring made of copper.
• Aluminum corner protectors to prevent the accumulation of static electricity.
• 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.
• Motors with built-in PTC.
• Three-phase 230/400 V 50 Hz.
• Working temperature: -20 ºC +40 ºC.

Finish:
• Anti-corrosive in pre-lacquered steel sheet and aluminum profiles.

On request:
• Special windings for different voltages and frequencies.
• ATEX construction for flammable dust.
• ATEX fan with greater protection than the standard marking.
• Complete with a pressure measurement connection point for optional automatic flow and pressure control.