
Advantages:
- hi-tech aerodynamic scheme with high pressure characteristic
- thermal shutdown in case temperature exceeds normal value or the bearings start to vibrate
- blades of the fan are made of non-inflammable material
- economic
- if required, the fan can be equipped with a muffler
Specifications:
Name
|
Value
|
Nominal diameter, mm
|
700
|
Rated capacity, m3/s
|
8.8
|
Total rated pressure, Pa
|
7100
|
Maximum overall efficiency, %
|
64
|
Electric drive power, kW
|
50*2
|
Rotation speed, min
|
3000
|
Electric motor protection
|
IP54
|
Height, mm, max
|
1080
|
Width, mm, max
|
1000
|
Set mass, kg, max
|
1030
|
Local ventilation fans VVM-7 have been tested at mine Chertinskaya (September 2005-March 2006), mine Gramot (2006), open-cut mine Olzherass (2006).
License issued by Federal Office of Ecological, Technological and Atomic control
