Ref.-No. 40318
Features
High efficiency axial fan with adjustable blade pitch angle at standstill, short cylindrical casing with flanges on both ends, directly driven. Short cylindrical casing in galvanised sheet steel covering impeller (motor protrudes at rear) with two flanges on both ends. Dimensions and flange fixing holes to DIN 24155. Axial impeller with ten aerodynamically profiled blades from aluminium alloy. Impeller mounted directly on the motor shaft. Dynamically balanced to DIN ISO 1940-1, class 6.3 for low-vibration operation. The blades are adjustable at standstill. Totally enclosed, 3-phase squirrel cage motor, 2-speed (pole switching with Dahlander windings). Maintenance free with low-noise sealed for life ball bearings.Additional data and accessories
Technical Data
General Information
| Ref.-No.: | 40318 |
|---|---|
| Type: | AVD RK 1250/8/4 4,6/18,5 kW |
| Flow rate free-blowing: | 97327 m³/h |
| Speed control: | FREQUENCY |
| RPM: | 730/1470 min-1 |
| Number of poles: | 4 / 8 |
| Voltage: | 400 / 400 V , 3 ph , 50 Hz |
| Rated current (FLC) uncontrolled: | 14/35 A |
| Nominal power: | 4600/18500 W |
| Max. air flow temperature: | 60 °C |
| IP protection category: | 55 |
| Insulation class: | F |
| PRODUCT_DETAILPAGE_wheel_diameter: | 1250 mm |
| Weight: | 270,00 kg |
| Wiring diagram no.: | 777 |