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 IE3 400 2800 370 1 1750 820 26 -20 80
GMB-265-055T 400 2790 550 1.35 2100 960 31 -20 80
GMB-280-075T IE3 400 2840 750 1.9 2500 1100 34 -20 80
GMB-315-110T IE3 400 2840 1100 2.7 3200 1320 39 -20 80
GMB-355-220T IE3 400 2890 2200 4.6 4700 1650 59 -20 80
GMB-400-300T IE3 400 2880 3000 6.5 6600 2200 72 -20 80
GMB-425-400T IE3 400 2870 4000 7.3 8200 2500 120 -20 80
GMB-450-550T IE3 400 2910 5500 10.2 9500 2850 127 -20 80
GMB-475-750T IE3 400 2885 7500 14 11000 3250 177 -20 80
GMB-500-1100T IE3 400 2900 11000 19.1 13000 3600 185 -20 80

Performance curves