HQD 250/4 EX
Axial high-performance fan
Axial high-performance fan quadratic
cal mounting plate, inlet nozzle, directly
driven, explosion-proof according to
ATEX.
Square mounting plate with attached form-
ter nozzle made of galvanized sheet steel.
Impeller with 7 blades made of thermoplastic.
High efficiency, low operating
noise. Vibration-free operation through
Dynamic balancing to grade G 6.3
VDI 2060 and DIN ISO 1940. Can be used in
Ranging from -30 degrees C to +60 degrees C.
Surface resistivity less than
1 Gohm.
Three-phase squirrel-cage motor, ge-
closed design, maintenance-free, ge-
compacted, low-noise ball bearing with
Long-term lubrication, not adjustable.
Ex-ATEX.
Fan-data (default)

Vol.str. 0 Pa at 1070 m3 / h
Vol.str. Betr.pkt. m3 / h
Max pressure 44 Pa increase
Druckerh. Betriebspkt Pa
Funding density 1.2 kg/m3
Medium temperature 40 degC
Angle of 0 degrees
Operating time h
Speed ​​1400 1/min
aufgenomm. Power 0.12 kW
Weight 10.5 kg
Sound power 64 dB (A)
Sound pressure at 4m 44 dB (A)

Voltage 400 Volt
Current consumption 0.41 Amp
AC / AC D
Frequency 50 Hz
Class F
Degree of protection IP 54
Explosion Protection Y
Temperature classes T1 to T4

Make: Helios
Item No.: 1144
Type: HQD 250/4 EX
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