BE-2x391BB1-B04T C
461.54 kW
Dry cooler BE-780AB5-B01 C
Defrost: None
Product code: BE-780AB5-B01 C
- Heat rejection i
- 461.46 kW
- Air flow
- 151,888 m³/h
- Fans
- 7 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 151,888 m³/h |
|---|---|
| External surface | 1,671.5 m² |
| Inner volume | 238.8 dm³ |
| Fin material | Aluminium |
| Net weight | 1,858 kg |
| Quantity | 7 |
|---|---|
| Diameter | 800 mm |
| Speed | 900 rpm |
| Power | 12,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 56.0 dB(A) |
|---|---|
| Sound power | 88.5 dB(A) |
| Energy class | D |
| Inlet | 3" |
|---|---|
| Outlet | 3" |
| BE-780AB5-B01 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)
- 461.461 kW Fluid flow 80.08 m³/h Pressure drop 83.6 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 370.694 kW Fluid flow 64.33 m³/h Pressure drop 56.6 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 | 270.01 | not rated | not rated | not rated | not rated | not rated |
| 40 | 461.46 | 270.30 | not rated | not rated | not rated | not rated |
| 45 | 648.80 | 460.46 | 270.52 | not rated | not rated | not rated |
| 50 | 834.81 | 646.62 | 459.59 | 270.76 | not rated | not rated |
| 55 | 1020.19 | 831.44 | 644.69 | 458.90 | 271.08 | not rated |
| 60 | 1205.24 | 1015.70 | 828.50 | 643.14 | 458.52 | 271.58 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 218.59 | not rated | not rated | not rated | not rated | not rated |
| 40 | 370.69 | 218.73 | not rated | not rated | not rated | not rated |
| 45 | 519.20 | 369.69 | 218.82 | not rated | not rated | not rated |
| 50 | 666.52 | 517.13 | 368.79 | 218.93 | not rated | not rated |
| 55 | 813.30 | 663.45 | 515.34 | 368.09 | 219.14 | not rated |
| 60 | 959.73 | 809.19 | 660.77 | 513.91 | 367.71 | 219.52 |
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) | 461.461 | 80.08 | 83.6 |
| Low speed (Y) | 370.694 | 64.33 | 56.6 |
Dimensions
| A | 1808 mm |
|---|---|
| B | 1210 mm |
| C | 8860 mm |
| F | 1050 mm |
| G | 9460 mm |
| E1 | 1230 mm |
| E2 | 1200 mm |
| D IN | 3" |
| D OUT | 3" |
| Length | 9460 mm |
|---|---|
| Width | 1210 mm |
| Height | 1808 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.