BE-2x291CC1-C04C C
451.41 kW
Dry cooler BE-491FB1-B04 C
Defrost: None
Product code: BE-491FB1-B04 C
- Heat rejection i
- 452.30 kW
- Air flow
- 119,337 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 119,337 m³/h |
|---|---|
| External surface | 2,144.5 m² |
| Inner volume | 400.5 dm³ |
| Fin material | Aluminium |
| Net weight | 1,780 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-491FB1-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)
- 452.295 kW Fluid flow 78.43 m³/h Pressure drop 36.6 kPa
- Heat rejection · Low speed (Y)
- 357.261 kW Fluid flow 61.96 m³/h Pressure drop 23.9 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 | 269.40 | not rated | not rated | not rated | not rated | not rated |
| 40 | 452.30 | 269.23 | not rated | not rated | not rated | not rated |
| 45 | 630.19 | 450.32 | 269.00 | not rated | not rated | not rated |
| 50 | 806.38 | 626.59 | 448.54 | 268.85 | not rated | not rated |
| 55 | 981.82 | 801.22 | 623.39 | 447.11 | 268.87 | not rated |
| 60 | 1156.80 | 975.10 | 796.66 | 620.76 | 446.10 | 269.05 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 214.63 | not rated | not rated | not rated | not rated | not rated |
| 40 | 357.26 | 214.35 | not rated | not rated | not rated | not rated |
| 45 | 495.64 | 355.45 | 214.08 | not rated | not rated | not rated |
| 50 | 632.59 | 492.47 | 353.85 | 213.86 | not rated | not rated |
| 55 | 768.89 | 628.12 | 489.68 | 352.52 | 213.77 | not rated |
| 60 | 904.82 | 763.14 | 624.20 | 487.36 | 351.59 | 213.92 |
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) | 452.295 | 78.43 | 36.6 |
| Low speed (Y) | 357.261 | 61.96 | 23.9 |
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.