HQW 250/2 EX
Axial high-performance fan
Axial high-performance fan-square
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
Range from -30 degrees C to +60 degrees C.
Surface resistance less than
1 Gohm.
Single phase capacitor motor
closed design, maintenance-free, ge-
compacted, low-noise ball bearing with
long life oil. Ex version according to
ATEX.
Fan-data (default)

Vol.str. 0 Pa at 1950 m3 / h
Vol.str. Betr.pkt. m3 / h
Max Booster 150 Pa
Druckerh. Betriebspkt Pa
Funding density 1.2 kg/m3
Medium temperature 40 degC
Angle of 0 degrees
Operating time h
Speed ​​2650 1/min
aufgenomm.Leistung 0.18 kW
Weight 11.2 kg
83 Sound Power dB (A)

LWa sound power spectrum in dB (A)
Associated freq = frequency in Hz

Freq 250 500 1000 2000 4000 8000
LW 74 76 81 75 72 64

230 Volt
Current consumption 1.23 Amp
AC / AC W
Frequency 50 Hz
Class F
Degree of protection IP 54
Explosion protection J
Temperature class T1

Make: Helios
Item: 1094
Type: HQW 250/2 EX
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