HBF HCF & HMF Smoke Extraction Axial Fans
Standard and ATEX Versions Available
Manufacturing Features:
Axial fans with reinforced frame.
Modular motor-impeller assembly.
Cast aluminium impeller with variable pitch angle.
Polyester powder finishing coat.
Standard asynchronous squirrel cage motor with IP-55 protection and Class H insulation certified 400ºC/2h.
Standard voltages 400V 50Hz in three phase motors up to 3kW and 400V 50Hz for higher powers and 2 speed motors. IE3 efficiency motor from 0,75kW up to 45kW in single speed.
Designed to Handle High Temperatures
The HBF, HCF and HMF range of smoke extraction fans are certified to work at high temperatures during a specific period of time according to classification and certification. The F400 rated series are certified to work at 400°C for up to 2 hours and provide the ideal solution for emergency smoke extraction.
HBF: Cast aluminium impeller with variable pitch angle
HCF: Cast aluminium impeller with variable pitch angle
HMF: Cast aluminium impeller with variable pitch angle
HBFX F400: Cast aluminium impeller, ATEX certified 
HCFX F400: Cast aluminium impeller, ATEX certified
HMFX F400: Cast aluminium impeller, ATEX rated
Designed for wall or duct installation, they are suitable for:
• Smoke emergency exhaust with motor inside the hazardous area
• Maximum working temperature: 60ºC
• Supply impeller (air direction from impeller to motor)
• 100% reversible impeller
Technical Data
The HBF, HCF and HMF series are paired with a standard asynchronous squirrel-cage motor with IP-55 protection and Class H insulation certified 400ºC/2h. Motors are manufactured with standard voltages: 400V(Y) 50Hz in three phase motors up to 3kW and 400V 50Hz for higher powers and 2 speed motors. IE3 efficiency motors are available from 0,75kW up to 45kW in
single speed.
| Fan Type | Voltage (V) |
Frequency (Hz) |
Input Power (kW) |
Rated Current (A) |
Speed (rpm) |
Max Temp (°C) |
IP Rating (IP) |
|---|---|---|---|---|---|---|---|
| GKHM 355-CIG.102.5HF IE Gen3 (IE5) | 3~ 380-480 | 50 / 60 | 2.33 | 3.7 at 400V | 3120 | 40 | IP54 |
| GKHM 400-CIG.114.6FF IE Gen3 (IE5) | 3~ 380-480 | 50 / 60 | 4.48 | 7 at 400V | 3170 | 40 | IP54 |
| GKHM 450-CIG.128.6IF IE Gen3 (IE4) | 3~ 380-480 | 50 / 60 | 5.9 | 9.05 at 400V | 2950 | 40 | IP54 |
| GKHM 500-CIG.143.6NA IE Gen3+ (IE4) | 3~ 380-480 | 50 / 60 | 7.48 | 11.4 at 400V | 2625 | 40 | IP54 |
| GKHM 560-CIG.160.6NA IE Gen3+ (IE4) | 3~ 380-480 | 50 / 60 | 6.85 | 10.7 at 400V | 2125 | 40 | IP54 |
| GKHM 630-CIG.180.6NA IE Gen3+ (IE4) | 3~ 380-480 | 50 / 60 | 5.1 | 7.88 at 400V | 1580 | 40 | IP54 |
