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Helios Ventilatoren HRFD 250/2 EX Wall fan (Ø) 250 mm
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Technical specifications
- Installation location: Pipe
- Frequency: 50 Hz
- Air quantity unloaded: 2070 m³/h.
- Medium temperature: -20..40 °C.
- Nominal diameter channel: 250 mm
- Protection class: IP54
- Product type
Wall fan
- Operating voltage
400 V
- (Ø)
250 mm
- Air flow rate
2070 m³/h
- Dim
(Ø) 250 mm
- Weight
7 kg
n.rel.
- Rotor blades
7
- Air discharge
2070 m³/h
- Material
Steel
- UKCA
yes
Documents & Downloads
User & Safety Instructions
User & Safety Instructions 2297476 Helios Ventilatoren HRFD 250/2 EX Wall fan (Ø) 250 mm
Description
High performance axial fan with cylindrical tube sleeve, double-sided flanges, directly driven, explosion-proof according to ATEX. Cylindrical tube made of galvanized sheet steel, enclosed with impeller, flange molded on both sides, hole pattern according to DIN 24155. With external terminal box. Impeller with 7 thermoplastic blades. High efficiency, low operating noise. Vibration-free running through dynamic balancing according to quality grade G 6.3 VDI 2060 and DIN ISO 1940. Can be used in the range from -20 °C to +40 °C. Surface resistance less than 1 GOhm. Three-phase short-circuit rotor motor, closed design, maintenance-free, sealed, low-noise ball bearings with long-term lubrication, not adjustable. Ex-design according to ATEX.
This text is machine translated.
This text is machine translated.