BC/BD-2x591FB5-B04 C
570.35 kW
Dry cooler BC/BD-2x491GB5-B04 C
Defrost: None
Product code: BC/BD-2x491GB5-B04 C
- Heat rejection i
- 570.73 kW
- Air flow
- 222,851 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 222,851 m³/h |
|---|---|
| External surface | 1,671.5 m² |
| Inner volume | 269.1 dm³ |
| Fin material | Aluminium |
| Net weight | 1,715 kg |
| Quantity | 8 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 22,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 99.0 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x491GB5-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)
- 570.734 kW Fluid flow 99.06 m³/h Pressure drop 30.7 kPa
- Heat rejection · Low speed (Y)
- 468.558 kW Fluid flow 81.31 m³/h Pressure drop 21.5 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 | 320.23 | not rated | not rated | not rated | not rated | not rated |
| 40 | 570.73 | 322.59 | not rated | not rated | not rated | not rated |
| 45 | 815.82 | 571.42 | 324.57 | not rated | not rated | not rated |
| 50 | 1059.23 | 815.10 | 572.02 | 326.33 | not rated | not rated |
| 55 | 1301.84 | 1057.20 | 814.52 | 572.67 | 328.03 | not rated |
| 60 | 1544.01 | 1298.54 | 1055.48 | 814.20 | 573.56 | 329.74 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 264.76 | not rated | not rated | not rated | not rated | not rated |
| 40 | 468.56 | 266.66 | not rated | not rated | not rated | not rated |
| 45 | 667.33 | 468.99 | 268.29 | not rated | not rated | not rated |
| 50 | 864.45 | 666.50 | 469.36 | 269.70 | not rated | not rated |
| 55 | 1060.88 | 862.52 | 665.84 | 469.81 | 271.09 | not rated |
| 60 | 1256.86 | 1057.82 | 860.88 | 665.47 | 470.48 | 272.51 |
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) | 570.734 | 99.06 | 30.7 |
| Low speed (Y) | 468.558 | 81.31 | 21.5 |
Dimensions
| A | 10150 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9700 mm |
| H | 2400 mm |
| I | 2310 mm |
| K | 10650 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 10650 mm |
|---|---|
| Width | 2360 mm |
| Height | 1450 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.