BC/BD-2x680FB5-B03 C
411.73 kW
Dry cooler BC/BD-791EB1-B04 C
Defrost: None
Product code: BC/BD-791EB1-B04 C
- Heat rejection i
- 411.02 kW
- Air flow
- 167,586 m³/h
- Fans
- 7 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 167,586 m³/h |
|---|---|
| External surface | 1,009.0 m² |
| Inner volume | 127.3 dm³ |
| Fin material | Aluminium |
| Net weight | 1,235 kg |
| Quantity | 7 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 19,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 67.0 dB(A) |
|---|---|
| Sound power | 99.5 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-791EB1-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)
- 411.023 kW Fluid flow 71.34 m³/h Pressure drop 53.2 kPa
- Heat rejection · Low speed (Y)
- 330.735 kW Fluid flow 57.40 m³/h Pressure drop 36.0 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 | 229.99 | not rated | not rated | not rated | not rated | not rated |
| 40 | 411.02 | 231.91 | not rated | not rated | not rated | not rated |
| 45 | 588.56 | 412.13 | 233.66 | not rated | not rated | not rated |
| 50 | 764.98 | 588.96 | 413.22 | 235.24 | not rated | not rated |
| 55 | 940.93 | 764.72 | 589.51 | 414.35 | 236.77 | not rated |
| 60 | 1116.56 | 940.03 | 764.79 | 590.25 | 415.62 | 238.32 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 186.71 | not rated | not rated | not rated | not rated | not rated |
| 40 | 330.74 | 188.27 | not rated | not rated | not rated | not rated |
| 45 | 471.54 | 331.59 | 189.67 | not rated | not rated | not rated |
| 50 | 611.27 | 471.82 | 332.46 | 190.99 | not rated | not rated |
| 55 | 750.54 | 611.02 | 472.22 | 333.39 | 192.27 | not rated |
| 60 | 889.51 | 749.78 | 611.01 | 472.85 | 334.48 | 193.58 |
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) | 411.023 | 71.34 | 53.2 |
| Low speed (Y) | 330.735 | 57.40 | 36.0 |
Dimensions
| A | 10150 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9900 mm |
| H | 1400 mm |
| I | 1190 mm |
| K | 10450 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 10450 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.