Two stage axial fan AVJ-650-2 was developed in coordination with standard JUS M.J5.102 and it is marked as JUS M.J5.102-EV-2-650. AVJ-650-2 is made as permissible electrical equipment for use in hazardous mines with Exs I type of protection, intended to work in coal minefields with underground exploitation.
Electro motor characteristics:
Type: 1.ZK.200Lk-2
Exde IP-65
Power: P = 30.0 kW
Speed: n = 2980 min-1
Current: I = A
Power factor: cos φ =
Frequency: f = 50 Hz
Voltage: U = 3x380 V
Mass of the fan is 450kg, fan body is made of 5mm sheetmetal, both rotors are made of special aluminum alloy. Bearings life time cycle is 100.000h.
Original aerodynamic design assure stable work in range of 153% from nominal, which means from 600 up to 4.370Pa.
