Type WLE – 404B/1/SK

The fan is applied for outlet and inlet ventilation in underground mining plants, where methane hazard and dust explosion can occur. This is an axial, single-stage fan with electric drive. It has been executed as explosion – proof. The fan belongs to the Ist group M2 category of machines. The fan can be equipped with noise suppressors on customer’s demand.

Nominal parameters of fan:

  • Nominal output [V,m3/s] 1,8
  • Total pressure [ΔPc,Pa] 780
  • Diameter of ventilation piping [D,mm] 400
  • Voltage [U,V] 500
  • Power of electric motor[Ns,kW] 4,0
  • Rotational speed[n,r.p.s.] 49
  • Efficiency[μa ] 0,48
  • Mass of fan [m, kg] 159
  • Electric items  IM2