Mining
Drilling / Blasting
TBM / Roadheader
Duct fans / Special ventilation fans
Deduster / Filter
Heating / Cooling units
Special machinery
The fan is generally overhauled.
Total pressure increase up to 2780 Pascal
Motor shaft output 35 kW
Direct
Star-delta
Stepless via compressed air
Voltage 500 / 1000 Volt
Three-phase AC - squirrel-cage motors S1 in special design
Protection class >= IP 55; insulation class F, tropicalised
Terminal box position: top
PTC thermistor
Compressed-air driven balanced pressure turbine at the impeller circumference
Operating pressure 4-6 bar
Infinitely variable by regulation of the compressed air
Explosion- and firedamp-proof