BC/BD-2x591FB1-B04 C
622.70 kW
Dry cooler BC/BD-2x491HB5-B04 C
Defrost: None
Product code: BC/BD-2x491HB5-B04 C
- Heat rejection i
- 623.66 kW
- Air flow
- 217,894 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 217,894 m³/h |
|---|---|
| External surface | 1,589.8 m² |
| Inner volume | 385.0 dm³ |
| Fin material | Aluminium |
| Net weight | 1,763 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-2x491HB5-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)
- 623.657 kW Fluid flow 108.24 m³/h Pressure drop 72.3 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 502.147 kW Fluid flow 87.16 m³/h Pressure drop 49.1 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 | 361.71 | not rated | not rated | not rated | not rated | not rated |
| 40 | 623.66 | 362.61 | not rated | not rated | not rated | not rated |
| 45 | 880.27 | 623.11 | 363.43 | not rated | not rated | not rated |
| 50 | 1135.12 | 878.33 | 622.66 | 364.27 | not rated | not rated |
| 55 | 1389.21 | 1131.88 | 876.71 | 622.45 | 365.14 | not rated |
| 60 | 1642.81 | 1384.61 | 1129.11 | 875.55 | 622.60 | 366.20 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 293.44 | not rated | not rated | not rated | not rated | not rated |
| 40 | 502.15 | 294.20 | not rated | not rated | not rated | not rated |
| 45 | 706.13 | 501.68 | 294.89 | not rated | not rated | not rated |
| 50 | 908.58 | 704.54 | 501.34 | 295.58 | not rated | not rated |
| 55 | 1110.30 | 905.92 | 703.27 | 501.24 | 296.40 | not rated |
| 60 | 1311.62 | 1106.60 | 903.75 | 702.48 | 501.53 | 297.33 |
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) | 623.657 | 108.24 | 72.3 |
| Low speed (Y) | 502.147 | 87.16 | 49.1 |
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.