BE-2x391BB1-C04C C
421.50 kW
Dry cooler BE-491FB5-B04 C
Defrost: None
Product code: BE-491FB5-B04 C
- Heat rejection i
- 422.04 kW
- Air flow
- 119,812 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 119,812 m³/h |
|---|---|
| External surface | 1,816.9 m² |
| Inner volume | 400.5 dm³ |
| Fin material | Aluminium |
| Net weight | 1,727 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 63.0 dB(A) |
|---|---|
| Sound power | 96.0 dB(A) |
| Energy class | D |
| Inlet | 3" |
|---|---|
| Outlet | 3" |
| BE-491FB5-B04 C | None |
|---|
Performance
Fluid inlet 35–60 °C (outlet = inlet − 5 K, at least 5 K above the air inlet); air inlet 25…50 °C.
WATER 40 → 35 °C, air inlet 25 °C
- Heat rejection · High speed (Δ)
- 422.035 kW Fluid flow 73.25 m³/h Pressure drop 32.4 kPa
- Heat rejection · Low speed (Y)
- 336.319 kW Fluid flow 58.33 m³/h Pressure drop 21.5 kPa
Heat rejection [kW]: Air inlet × fluid inlet (range 5 K)
WATER; rows: fluid inlet [°C], outlet = inlet − 5 K; columns: air inlet temperature. The highlighted cell is the nominal point. "—": not rated by the manufacturer.
≈ 1.23 estimate — vendor data irregular here
High speed (Δ)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 249.29 | not rated | not rated | not rated | not rated | not rated |
| 40 | 422.04 | 249.31 | not rated | not rated | not rated | not rated |
| 45 | 590.29 | 420.50 | 249.30 | not rated | not rated | not rated |
| 50 | 757.10 | 587.34 | 419.14 | 249.30 | not rated | not rated |
| 55 | 923.25 | 752.83 | 584.76 | 418.03 | 249.41 | not rated |
| 60 | 1089.05 | 917.68 | 749.08 | 582.64 | 417.24 | 249.73 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 200.23 | not rated | not rated | not rated | not rated | not rated |
| 40 | 336.32 | 200.14 | not rated | not rated | not rated | not rated |
| 45 | 468.62 | 334.88 | 200.01 | not rated | not rated | not rated |
| 50 | 599.66 | 465.97 | 333.58 | 199.93 | not rated | not rated |
| 55 | 730.12 | 595.87 | 463.64 | 332.54 | 199.95 | not rated |
| 60 | 860.25 | 725.21 | 592.53 | 461.72 | 331.81 | 200.16 |
Nominal rating
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
| Fan connection | Heat rejection [kW] | Fluid flow [m³/h] | Pressure drop [kPa] |
|---|---|---|---|
| High speed (Δ) | 422.035 | 73.25 | 32.4 |
| Low speed (Y) | 336.319 | 58.33 | 21.5 |
Dimensions
| A | 1958 mm |
|---|---|
| B | 1210 mm |
| C | 10060 mm |
| F | 1050 mm |
| G | 10660 mm |
| E1 | 2430 mm |
| E2 | 2400 mm |
| D IN | 3" |
| D OUT | 3" |
| Length | 10660 mm |
|---|---|
| Width | 1210 mm |
| Height | 1958 mm |
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The data are illustrative and may change without notice. Capacities are interpolated from the manufacturer's rating grid; points the manufacturer did not rate are shown as "not rated" and never estimated.