BC/BD-2x780DC5-B03 C
426.35 kW
Dry cooler BC/BD-591DD1-B04 C
Defrost: None
Product code: BC/BD-591DD1-B04 C
- Heat rejection i
- 425.83 kW
- Air flow
- 110,292 m³/h
- Fans
- 5 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 110,292 m³/h |
|---|---|
| External surface | 1,425.3 m² |
| Inner volume | 266.2 dm³ |
| Fin material | Aluminium |
| Net weight | 1,210 kg |
| Quantity | 5 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 14,000 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 | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-591DD1-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)
- 425.831 kW Fluid flow 73.85 m³/h Pressure drop 50.0 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 | 253.02 | not rated | not rated | not rated | not rated | not rated |
| 40 | 425.83 | 253.65 | not rated | not rated | not rated | not rated |
| 45 | 593.74 | 425.28 | 254.27 | not rated | not rated | not rated |
| 50 | 759.94 | 592.11 | 424.92 | 254.96 | not rated | not rated |
| 55 | 925.36 | 757.32 | 590.90 | 424.89 | 255.81 | not rated |
| 60 | 1090.32 | 921.77 | 755.31 | 590.26 | 425.32 | 256.87 |
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) | 425.831 | 73.85 | 50.0 |
Dimensions
| A | 9100 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 8850 mm |
| H | 1750 mm |
| I | 1190 mm |
| K | 9400 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 9400 mm |
|---|---|
| Width | 1240 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.