BE-780EB1-B01 C
525.28 kW
Dry cooler BE-791AB5-B04 C
Defrost: None
Product code: BE-791AB5-B04 C
- Heat rejection i
- 524.58 kW
- Air flow
- 198,912 m³/h
- Fans
- 7 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 198,912 m³/h |
|---|---|
| External surface | 1,671.5 m² |
| Inner volume | 262.8 dm³ |
| Fin material | Aluminium |
| Net weight | 1,901 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-791AB5-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)
- 524.583 kW Fluid flow 91.05 m³/h Pressure drop 17.4 kPa
- Heat rejection · Low speed (Y)
- 430.175 kW Fluid flow 74.67 m³/h Pressure drop 12.1 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 | 291.58 | not rated | not rated | not rated | not rated | not rated |
| 40 | 524.58 | 294.23 | not rated | not rated | not rated | not rated |
| 45 | 751.91 | 525.42 | 296.45 | not rated | not rated | not rated |
| 50 | 977.50 | 751.30 | 526.14 | 298.40 | not rated | not rated |
| 55 | 1202.27 | 975.55 | 750.78 | 526.88 | 300.21 | not rated |
| 60 | 1426.59 | 1199.03 | 973.88 | 750.55 | 527.77 | 301.98 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 240.67 | not rated | not rated | not rated | not rated | not rated |
| 40 | 430.18 | 243.38 | not rated | not rated | not rated | not rated |
| 45 | 614.25 | 430.66 | 244.62 | not rated | not rated | not rated |
| 50 | 796.68 | 613.45 | 431.08 | 246.21 | not rated | not rated |
| 55 | 978.31 | 794.68 | 612.77 | 431.55 | 247.69 | not rated |
| 60 | 1159.52 | 975.18 | 792.99 | 612.35 | 432.20 | 249.17 |
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) | 524.583 | 91.05 | 17.4 |
| Low speed (Y) | 430.175 | 74.67 | 12.1 |
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.