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- Mine fans
Axial Mine fans for local-ventilation are used for safety work in coal and ore mines dangerous by gas or dust.
Explosion-proof. Removable motor.
Rated dimensions: 400 mm, 500 mm, 630 mm, 800 mm, 1200 mm.
Mine Fans work with air density up to 1.3 kg/m3, a temperature from -20 to +35C, dust content up to 50 mg/m3 and a relative humidity up to 95% (at a temperature of 25C).
Can be equipped by overheating shutdown device, with/without silencer.
Can be used for ventilation of small grooves. The design allows to connect two fans in one-by-one positioning in order to increase the pressure in the pipeline.
The fan design uses an antistall device.
MMF-12 fans with rated diameter 1200 mm are manufactured with the blade angle 15, 25 or 35 degrees according the customer technical task.
Technical characteristics
| Mine Fan name | Nominal diameter, mm |
Rated feed, ³/h |
Rated total pressure, Pa | Electric-drive power, kW | Rotation Speed, rpm |
Height, mm |
Width, mm |
Weight of the set, no more than, kg |
| MMF-4 | 436 | 6480-7200 | 1300-1170 | 4 | 3000 | 780 | 960 | 260 |
| MMF-5 | 500 | 13 140 | 2000 | 15 | 3000 | 730 | 605 | 264,5 |
| MMF-6 | 630 | 18 000 | 2500 | 22 | 3000 | 975 | 745 | 365,0 |
| MMF-8 | 800 | 25 200 | 2850 | 45 | 3000 | 1060 | 990 | 650,0 |
| MMF-12 | 1200 | 75 600 | 2600 | 110 | 1500 | 1720 | 1350 | 2080 |