BE-780AB1-B01 C
502.40 kW
Dry cooler BE-591BD1-B04 C
Defrost: None
Product code: BE-591BD1-B04 C
- Heat rejection i
- 502.46 kW
- Air flow
- 134,108 m³/h
- Fans
- 5 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 134,108 m³/h |
|---|---|
| External surface | 1,762.7 m² |
| Inner volume | 205.2 dm³ |
| Fin material | Aluminium |
| Net weight | 1,517 kg |
| Quantity | 5 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 14,000 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 65.0 dB(A) |
|---|---|
| Sound power | 97.1 dB(A) |
| Energy class | D |
| Inlet | 3" |
|---|---|
| Outlet | 3" |
| BE-591BD1-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)
- 502.461 kW Fluid flow 87.15 m³/h Pressure drop 79.7 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 389.037 kW Fluid flow 67.47 m³/h Pressure drop 50.5 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 | 299.73 | not rated | not rated | not rated | not rated | not rated |
| 40 | 502.46 | 299.87 | not rated | not rated | not rated | not rated |
| 45 | 699.74 | 500.90 | 299.96 | not rated | not rated | not rated |
| 50 | 895.22 | 696.72 | 499.61 | 300.15 | not rated | not rated |
| 55 | 1089.86 | 890.78 | 694.18 | 498.66 | 300.50 | not rated |
| 60 | 1284.03 | 1084.06 | 887.03 | 692.24 | 498.22 | 301.09 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 234.20 | not rated | not rated | not rated | not rated | not rated |
| 40 | 389.04 | 234.29 | not rated | not rated | not rated | not rated |
| 45 | 539.33 | 387.80 | 234.31 | not rated | not rated | not rated |
| 50 | 688.11 | 536.94 | 386.78 | 234.49 | not rated | not rated |
| 55 | 836.20 | 684.64 | 534.97 | 386.10 | 234.85 | not rated |
| 60 | 983.90 | 831.67 | 681.76 | 533.54 | 385.86 | 235.46 |
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) | 502.461 | 87.15 | 79.7 |
| Low speed (Y) | 389.037 | 67.47 | 50.5 |
Dimensions
| A | 1958 mm |
|---|---|
| B | 1210 mm |
| C | 6460 mm |
| F | 1050 mm |
| G | 7060 mm |
| E1 | 1230 mm |
| E2 | 1200 mm |
| D IN | 3" |
| D OUT | 3" |
| Length | 7060 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.