BC/BD-2x491EB1-B04 C
475.45 kW
Dry cooler BC/BD-891EB1-B04 C
Defrost: None
Product code: BC/BD-891EB1-B04 C
- Heat rejection i
- 475.16 kW
- Air flow
- 191,526 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 191,526 m³/h |
|---|---|
| External surface | 1,153.1 m² |
| Inner volume | 154.2 dm³ |
| Fin material | Aluminium |
| Net weight | 1,403 kg |
| Quantity | 8 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 22,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 67.0 dB(A) |
|---|---|
| Sound power | 100.0 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-891EB1-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)
- 475.162 kW Fluid flow 82.47 m³/h Pressure drop 70.3 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 382.161 kW Fluid flow 66.33 m³/h Pressure drop 47.7 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 | 268.46 | not rated | not rated | not rated | not rated | not rated |
| 40 | 475.16 | 270.34 | not rated | not rated | not rated | not rated |
| 45 | 677.97 | 476.15 | 272.02 | not rated | not rated | not rated |
| 50 | 879.52 | 678.18 | 477.16 | 273.58 | not rated | not rated |
| 55 | 1080.53 | 879.03 | 678.60 | 478.25 | 275.12 | not rated |
| 60 | 1281.19 | 1079.31 | 878.89 | 679.27 | 479.53 | 276.71 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 217.81 | not rated | not rated | not rated | not rated | not rated |
| 40 | 382.16 | 219.33 | not rated | not rated | not rated | not rated |
| 45 | 542.93 | 382.92 | 220.68 | not rated | not rated | not rated |
| 50 | 702.53 | 543.06 | 383.70 | 221.94 | not rated | not rated |
| 55 | 861.63 | 702.08 | 543.35 | 384.59 | 223.23 | not rated |
| 60 | 1020.39 | 860.61 | 701.94 | 543.92 | 385.70 | 224.61 |
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) | 475.162 | 82.47 | 70.3 |
| Low speed (Y) | 382.161 | 66.33 | 47.7 |
Dimensions
| A | 11750 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 11300 mm |
| H | 1400 mm |
| I | 1190 mm |
| K | 12250 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 12250 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.