Horizontal Discharge Roof Axial Fans
NFRAX / HD fans can be used to pressurize and exhaust staircases and elevator shafts. With its hood to protect the motor from rain and snow and powder coating for weather conditions, it can work for a long time.
Contact Us to Purchase
Features
| MOTOR INSULATION CLASS | F CLASS |
| MOTOR PROTECTION CLASS | IP 55 |
| MOTOR EFFICIENCY CLASS | IE2-IE3 |
| MOTOR ENCLOSURE TYPE | TEFC |
| MOTOR BRAND | GAMAK-VOLT-WATT |
| BODY MATERIAL | GALVANIZED SHEET METAL |
| BODY COATING | POWDER COATING |
| IMPELLER MATERIAL | ALUMINIUM |
| DUTY CYCLE | IEC Duty Cycle-S1 |
| WORKING TEMPERATURE | -20 - +50 °C |
| STANDARDS | IEC-60335-2-80, ISO 1940-1 |
This line is characterized by the wide round shaped nozzles in both inlet and outlet, warranty of reduced noise level and high efficiency. Besides these fans allow the effective operation either in exhaust or supply duty. Electric motor is easily accessible for wiring and maintenance operations, manufactured according to international standards assuring reliability and the long-term economic recovery of the unit simply repairing or replacing the motor itself.
CONSTRUCTION
- Ring casing with double wide round shaped nozzle, and base resistant to the atmospheric agents.
- Upper cover in techno-polymer resistant to the atmospheric agents.
- Protection grid on outlet side in steel rod, manufactured according to UNI EN ISO 12499.
- Impeller with high efficiency airfoil blades in plastic material and hub in die cast aluminum alloy. Variable pitch angle in still position.
Balancing according to UNI ISO 21940-11
- Asynchronous electric motor, protection IP55, Class F insulated, service S1, construction according to IEC/EEC (UNEL-MEC) standard.
- Arrangement 5 or 4 (impeller directly coupled to motor shaft).
Specifications
Resources
|
Catalog |
