Helios Fans Axial High-Performance Fan HRFD 250/2 EX

Manufacturer: Helios Fans
Designation: Axial High-Performance Fan
Type: HRFD 250/2 EX
Rated Voltage: 400 V
Frequency: 50 Hz
Power Consumption: 0.25 kW
Housing Material: Steel
Airflow Unloaded: 2070 m³/h
Medium Temperature: -20 to 40 °C
Protection Class (IP): IP54
Nominal Diameter Duct: 250 mm
Installation Location: Duct
Equipment Group according to Directive 94/9/EC: II
Temperature Class according to Directive 94/9/EC: T3

Further Details: Axial high-performance fan with cylindrical duct sleeve, flanges on both sides, directly driven, explosion-proof according to ATEX. Cylindrical duct made of galvanized steel sheet, enclosing the impeller, with flanges shaped on both sides, hole pattern according to DIN 24155. Equipped with an external terminal box. Impeller with 7 blades made of thermoplastic. High efficiency, low operating noise. Vibration-free operation due to dynamic balancing according to quality level G 6.3 VDI 2060 and DIN ISO 1940. Usable in the temperature range of -20 °C to +40 °C. Surface resistance less than 1 GOhm. Three-phase squirrel-cage motor, closed design, maintenance-free, sealed, low-noise ball bearings with long-term lubrication, non-regulatable. Ex version according to ATEX.