Roof mounted axial fans with vertical air outlet, ATEX 2G or 2D certification and Ex db, Ex eb or Ex tb motor
Roof mounted axial fans with vertical air outlet and 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: • Support base in galvanized steel sheet and anti-corrosive treatment. • Adjustable cast aluminum impeller. • Protection grid against contacts according to UNE-EN ISO 12499. • Non-return damper in aluminum sheet to prevent the entry of water when the fan is not running. • Airflow direction from motor to impeller. • 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: • 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: • Total stainless steel construction. • Hot dip galvanised steel construction. • 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.
