GMB

The fan is designed for the transport of slightly polluted air and the use in mechanical ventilation systems.
 

Application

The fan is designed for the transport of slightly polluted air and the use in mechanical ventilation systems.

Typical applications:
  • Air flows in the production processes
  • Cooling and air conditioning systems
  • Dehumidifiers, dryers

Construction

A medium-pressure centrifugal fan with direct drive. Impeller welded from steel sheet with backward curved blades, dynamically balanced as per ISO 1940. Housing is made of welded steel, in rectangular version (models from 250 to 400) or spiral versions (models 425 and higher). Models: 400 and larger are equipped with a motor support. Maximum medium temperature: 80°C. As a standard, the fan is supplied in RAL 5010 - blue. On request, we can supply fans in any RAL colour. Standard configuration is LG90 (models from 250 to 355) or LG270 (models: 400 and higher).

Modifications in configuration, design, colour or material of the fan are available on request.

Electric motor

Asynchronous three-phase 230 / 400V, 50Hz motor (motor power up to 3 kW) or 400 / 690V 50Hz. The motor in insulation class F, IP55 and meeting IEC 60072 and EN 60034 standards. Ambient temperature for motor operation + 40°C. The motor is adapted to be regulated with frequency inverter.

On request, possibility of manufacturing fans with motors equipped with sensors, additional cooling and other special design elements, marking etc.
Name Nominal
voltage [V]
Speed
[r.p.m.]
P max
[W]
I max
[A]
Q max
[m3/h]
P
static [Pa]
Weight
[kg]
Temp.
min.
[oC]
Temp.
max.
[oC]
GMB-250-037T 400 2870 370 0.95 1550 880 25 -20 40
GMB-265-055T 400 2790 550 1.35 1930 920 31 -20 40
GMB-280-075T 400 2890 750 1.7 2160 1100 35 -20 40
GMB-315-110T 400 2890 1100 2.5 2820 1460 39 -20 40
GMB-355-220T 400 2895 2200 4.6 4200 1810 63 -20 40
GMB-400-300T 400 2880 3000 5.3 6650 2400 73 -20 40
GMB-425-400T 400 2895 4000 7.2 8600 2600 120 -20 40
GMB-450-550T 400 2890 5500 9.8 9300 2900 131 -20 40
GMB-475-750T 400 2930 7500 13.7 12500 3400 177 -20 40
GMB-500-1100T 400 2900 11000 19.1 13350 3750 185 -20 40

Performance curves