BE-491FD5-B04 C
501.78 kW
Dry cooler BE-2x391DB1-C04C C
Defrost: None
Product code: BE-2x391DB1-C04C C
- Heat rejection i
- 501.90 kW
- Air flow
- 172,217 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 172,217 m³/h |
|---|---|
| External surface | 1,426.7 m² |
| Inner volume | 183.5 dm³ |
| Fin material | Aluminium |
| Net weight | 1,926 kg |
| Quantity | 6 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 16,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 65.0 dB(A) |
|---|---|
| Sound power | 98.0 dB(A) |
| Energy class | E |
| Inlet | 3" |
|---|---|
| Outlet | 3" |
| BE-2x391DB1-C04C 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)
- 501.903 kW Fluid flow 87.11 m³/h Pressure drop 88.6 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 405.463 kW Fluid flow 70.37 m³/h Pressure drop 60.6 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 | 291.44 | not rated | not rated | not rated | not rated | not rated |
| 40 | 501.90 | 292.14 | not rated | not rated | not rated | not rated |
| 45 | 707.77 | 501.22 | 292.72 | not rated | not rated | not rated |
| 50 | 912.17 | 705.84 | 500.62 | 293.30 | not rated | not rated |
| 55 | 1115.87 | 909.04 | 704.17 | 500.21 | 293.90 | not rated |
| 60 | 1319.19 | 1111.58 | 906.34 | 702.88 | 500.12 | 294.64 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 236.99 | not rated | not rated | not rated | not rated | not rated |
| 40 | 405.46 | 237.47 | not rated | not rated | not rated | not rated |
| 45 | 569.88 | 404.71 | 237.87 | not rated | not rated | not rated |
| 50 | 733.01 | 568.05 | 404.06 | 238.25 | not rated | not rated |
| 55 | 895.51 | 730.13 | 566.46 | 403.60 | 238.72 | not rated |
| 60 | 1057.71 | 891.64 | 727.64 | 565.25 | 403.44 | 239.31 |
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) | 501.903 | 87.11 | 88.6 |
| Low speed (Y) | 405.463 | 70.37 | 60.6 |
Dimensions
| A | 2511 mm |
|---|---|
| B | 2300 mm |
| C | 5850 mm |
| F | 2230 mm |
| G | 6450 mm |
| E1 | 1850 mm |
| E2 | 1800 mm |
| H | 6100 mm |
| D IN | 3" |
| D OUT | 3" |
| Length | 5850 mm |
|---|---|
| Width | 2300 mm |
| Height | 2511 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.