BC/BD-2x491GB5-B04 C
570.73 kW
Dry cooler BC/BD-2x391HC1-B04 C
Defrost: None
Product code: BC/BD-2x391HC1-B04 C
- Heat rejection i
- 571.69 kW
- Air flow
- 154,807 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 154,807 m³/h |
|---|---|
| External surface | 1,875.7 m² |
| Inner volume | 382.2 dm³ |
| Fin material | Aluminium |
| Net weight | 1,526 kg |
| Quantity | 6 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 16,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 98.6 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x391HC1-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)
- 571.690 kW Fluid flow 99.22 m³/h Pressure drop 84.7 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 440.782 kW Fluid flow 76.45 m³/h Pressure drop 53.3 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 | 340.41 | not rated | not rated | not rated | not rated | not rated |
| 40 | 571.69 | 340.60 | not rated | not rated | not rated | not rated |
| 45 | 796.99 | 570.12 | 340.81 | not rated | not rated | not rated |
| 50 | 1020.38 | 793.96 | 568.91 | 341.10 | not rated | not rated |
| 55 | 1242.84 | 1015.87 | 791.45 | 568.13 | 341.63 | not rated |
| 60 | 1464.80 | 1236.88 | 1012.11 | 789.67 | 567.91 | 342.49 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 265.26 | not rated | not rated | not rated | not rated | not rated |
| 40 | 440.78 | 265.39 | not rated | not rated | not rated | not rated |
| 45 | 611.45 | 439.58 | 265.50 | not rated | not rated | not rated |
| 50 | 780.47 | 609.07 | 438.64 | 265.71 | not rated | not rated |
| 55 | 948.74 | 776.97 | 607.16 | 438.08 | 266.21 | not rated |
| 60 | 1116.57 | 944.13 | 774.13 | 605.87 | 438.04 | 266.98 |
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) | 571.690 | 99.22 | 84.7 |
| Low speed (Y) | 440.782 | 76.45 | 53.3 |
Dimensions
| A | 7750 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 7300 mm |
| H | 2400 mm |
| I | 2310 mm |
| K | 8250 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 8250 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.