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Low pressure axial fans (duct installation)

HRFD 315/2

HRFD 315/2

High efficiency axial fan 3-ph. speed controllable

Ref.-No. 00224

Features

High efficiency axial fan with cylindrical duct with flanges on both ends, directly driven. Cylindrical duct in galvanised sheet steel covering impeller with two flanges on both ends. Dimensions and flange fixing holes to DIN 24155. Terminal box on outer casing. Highly efficient, profiled impeller with 7 blades, dynamically balanced (Class G 6.3 to VDI 2060) and manufactured from impact resistant polymers. Suitable for -30°C to +60°C. Totally enclosed, 3-phase squirrel cage motor. Speed controllable by voltage reduction. Maintenance free with low-noise sealed for life ball bearings.

Technical Data

General Information
Ref.-No.:00224
Type:HRFD 315/2
Flow rate free-blowing:4090 m³/h
Speed control:TRAFO
RPM:2760 min-1
Number of poles:2
Voltage:400 V , 3 W , 50 ph
Rated current (FLC) uncontrolled:1.08/1.3 A
Nominal power:530 W
Max. air flow temperature (controlled):40 °C
Max. air flow temperature (uncontrolled):50 °C
IP protection category:55
Insulation class:B
PRODUCT_DETAILPAGE_wheel_diameter:315
Weight:14 kg
Wiring diagram no.:469
Acoustic data
Case breakout 69 dB(A) in 4 m