VARD 250/2
RADAX high pressure duct fan
High pressure duct fan with cylindrical
exchanger tube sleeve flanges on both sides,
directly driven.
Cylindrical tube made of galvanized steel
sheet, molded on both sides with
Flange hole pattern according to DIN 24155, be-
bautes vane.
Mixed flow impeller, eight spatially
curved blades made of thermoplastic,
Balancing quality G 6.3 according to VDI 2060
and ISO 1940.
Three-phase squirrel-cage motor with
Voltage reduction speed controllable
Thermal contacts, closed design,
maintenance-free, sealed, low-noise
Ball bearing with long life oil.
Fan-data (default)

Vol.str. 0 Pa at 2590 m3 / h
Vol.str. Betr.pkt. m3 / h
Max Booster 360 Pa
Druckerh. Betriebspkt Pa
Funding density 1.2 kg/m3
Medium temperature 40 degC
Angle of 0 degrees
Operating time h
Speed ​​2800 1/min
aufgenomm.Leistung 0.51 kW
Weight 11.5 kg
Sound power 84 dB (A)

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

Freq 250 500 1000 2000 4000 8000
LW 65 77 79 80 75 67

Voltage 400 Volt
Current consumption 1.1 Amp
AC / AC D
Frequency 50 Hz
B insulation
Degree of protection IP 54
Explosion protection N
Temperature class

Make: Helios
Item No.: 6669
Type: VARD 250/2 TK
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