Selection tool

Product overview

Suchen

Contact

Explosion-proof low pressure axial fans (duct installation)

HRFW 250/4 EX

HRFW 250/4 EX

High efficiency axial fan 1-PH, EXPLOSION PROOF II 2G c IIB T3 Gb

Ref.-No. 00437

Features

flanges on both ends, directly driven, explosion proof according to ATEX. 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. High efficient, profiled impeller with 7 blades, dynamically balanced to DIN ISO 1940 and VDI 2060 class 6.3, manufactured from impact resistant anti static polymers. Suitable for -30°C to +40°C. Electrical resistance of less than 1 Ohm. Totally enclosed, single-phase condenser motor. Maintenance free with low-noise sealed for life ball bearings. Explosion proof execution according to ATEX.

Technical Data

General Information
Ref.-No.:00437
Type:HRFW 250/4 EX
Flow rate free-blowing:1030 m³/h
RPM:1400 min-1
Number of poles:4
Voltage:230 V , 1 W , 50 ph
Rated current (FLC) uncontrolled:0.7 A
Nominal power:60 W
Max. air flow temperature (uncontrolled):40 °C
Explosion proof:
IP protection category:55
Insulation class:F
PRODUCT_DETAILPAGE_wheel_diameter:250
Weight:7 kg
Wiring diagram no.:757
Acoustic data
Case breakout 44 dB(A) in 4 m