BC/BD-880DD5-B01 C
429.83 kW
Dry cooler BC/BD-2x491KB1-B04 C
Defrost: None
Product code: BC/BD-2x491KB1-B04 C
- Heat rejection i
- 429.97 kW
- Air flow
- 192,603 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 192,603 m³/h |
|---|---|
| External surface | 857.3 m² |
| Inner volume | 123.8 dm³ |
| Fin material | Aluminium |
| Net weight | 1,211 kg |
| Quantity | 8 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 22,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 68.0 dB(A) |
|---|---|
| Sound power | 100.0 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-2x491KB1-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)
- 429.966 kW Fluid flow 74.63 m³/h Pressure drop 33.7 kPa
- Heat rejection · Low speed (Y)
- 344.204 kW Fluid flow 59.73 m³/h Pressure drop 22.5 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 | 234.76 | not rated | not rated | not rated | not rated | not rated |
| 40 | 429.97 | 237.81 | not rated | not rated | not rated | not rated |
| 45 | 620.86 | 431.96 | 240.48 | not rated | not rated | not rated |
| 50 | 810.52 | 622.11 | 433.80 | 242.85 | not rated | not rated |
| 55 | 999.58 | 811.10 | 623.36 | 435.58 | 245.04 | not rated |
| 60 | 1188.35 | 999.55 | 811.83 | 624.77 | 437.43 | 247.17 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 189.03 | not rated | not rated | not rated | not rated | not rated |
| 40 | 344.20 | 191.62 | not rated | not rated | not rated | not rated |
| 45 | 495.24 | 345.82 | 193.84 | not rated | not rated | not rated |
| 50 | 645.04 | 496.20 | 347.30 | 195.83 | not rated | not rated |
| 55 | 794.27 | 645.46 | 497.21 | 348.78 | 197.71 | not rated |
| 60 | 943.19 | 794.19 | 646.05 | 498.37 | 350.36 | 199.54 |
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) | 429.966 | 74.63 | 33.7 |
| Low speed (Y) | 344.204 | 59.73 | 22.5 |
Dimensions
| A | 5950 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 5700 mm |
| H | 1400 mm |
| I | 2260 mm |
| K | 6250 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 6250 mm |
|---|---|
| Width | 2310 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.