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VKF 4Е 250

VKF 4Е 250

Low pressure axial fan in steel casing for vent duct mounting. Maximum capacity - 865 m3/h.

  • VVG series (round)

    VVG series (round)

  • Speed controller RS-1-300

    Speed controller RS-1-300

  • Single phase speed controller RSA5E-2-P

    Single phase speed controller RSA5E-2-P

  • Speed controller RS-1-400

    Speed controller RS-1-400

  • Single phase speed controller RSA5E-…M

    Single phase speed controller RSA5E-…M

  • Speed controller RS-…N (V)

    Speed controller RS-…N (V)

 
ParameterValueUnit
Phase
1
˜
Voltage
220-240
V
Frequency
50 / 60
Hz
Current
0.22  /  0.24
A
Power consumption
50  /  56
W
Maximum air capacity
800  /  865
471,2  /  509,485
222,4  /  240,47
0,2224  /  0,24047
13360  /  14445,5
m³/h
CFM
l/s
m³/s
l/m
RPM
1380  /  1730
min -1
Noise level at 3 m
55  /  56
[dBA]
Maximum transported air temperature
-30 +60  /  -30 +50
оC
Protection rating
IP X4
class
Weight
3.96
kg
Spigot size
250
mm
Number of poles
4
VKF 4Е 250
Sizes∅D∅D1B∅D2∅dL
mm2602863403067150

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Sound-power level   Octave-frequency band [Hz]
  Hz   General   63   125   250   500   1000   2000   4000   8000
LwA to environment   dBA 60 52 50 52 53 52 52 44 43