BE-2x480FB5-B01C C
641.25 kW
Dry cooler BE-791AC5-B04 C
Defrost: None
Product code: BE-791AC5-B04 C
- Heat rejection i
- 638.61 kW
- Air flow
- 193,875 m³/h
- Fans
- 7 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 193,875 m³/h |
|---|---|
| External surface | 2,228.6 m² |
| Inner volume | 330.9 dm³ |
| Fin material | Aluminium |
| Net weight | 2,057 kg |
| Quantity | 7 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 19,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 98.5 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BE-791AC5-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)
- 638.612 kW Fluid flow 110.83 m³/h Pressure drop 85.4 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 511.213 kW Fluid flow 88.72 m³/h Pressure drop 57.5 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 | 375.88 | not rated | not rated | not rated | not rated | not rated |
| 40 | 638.61 | 376.24 | not rated | not rated | not rated | not rated |
| 45 | 895.31 | 637.09 | 376.50 | not rated | not rated | not rated |
| 50 | 1149.97 | 892.07 | 635.80 | 376.82 | not rated | not rated |
| 55 | 1403.73 | 1145.10 | 889.29 | 634.83 | 377.30 | not rated |
| 60 | 1656.98 | 1397.23 | 1140.91 | 887.15 | 634.37 | 378.08 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 303.54 | not rated | not rated | not rated | not rated | not rated |
| 40 | 511.21 | 303.72 | not rated | not rated | not rated | not rated |
| 45 | 713.58 | 509.80 | 303.85 | not rated | not rated | not rated |
| 50 | 914.25 | 710.71 | 508.60 | 304.05 | not rated | not rated |
| 55 | 1114.12 | 910.02 | 708.30 | 507.66 | 304.45 | not rated |
| 60 | 1313.54 | 1108.53 | 906.42 | 706.46 | 507.30 | 305.08 |
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) | 638.612 | 110.83 | 85.4 |
| Low speed (Y) | 511.213 | 88.72 | 57.5 |
Dimensions
| A | 1958 mm |
|---|---|
| B | 1300 mm |
| C | 8860 mm |
| F | 1150 mm |
| G | 9460 mm |
| E1 | 1230 mm |
| E2 | 1200 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 9460 mm |
|---|---|
| Width | 1300 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.