EFR
Axial fan with nozzle blades for higher pressure, direct drive, motor in the air stream. The impeller is made of cast aluminum with profiled blades, adjustable at standstill. The housing is made of welded sheet steel with flanges rolled on both sides, a suction cone is available on request).
ATEX versions and special designs on request
| Product code | A-EFR |
| Category | Axial |
| Subcategory | Directly driven - AC motor |
| Medium | : | transport d'air propre, poussiéreux et humide |
| Max flow rate | : | 270.000 m³/h |
| Total pressure | : | 100 – 3.200 Pa |
| Drive | : | dirct driven from -20° to 40° |
Motor
The motor is three-phase, 230/400 V or 400/690v , 50 Hz, B3; (other frequencies, voltages on request).
Air direction
Supplied as standard with the air flow the impeller to the motor (A).
Special designs on request
- Manufactured from different materials. (Steel coated, stainless steel 304, stainless steel 316, Hot-dip galvanized, ...)
- Flexibles, vibration absorbers, mounting feet, wall plate, ...
ATEX versions on request
Explosion proof versions according to ATEX directive:
Ambient temperature -20°C to +60°C, ambient pressure (abs.) 0.8 bar to 1.1 bar according to EN 14986.
GAS
- 2G IIB T2-T3-T4, Motor Exd IIB or ExeII
- 3G IIB T2-T3-T4, Motor ExnA (only for 3G zone)