BC/BD-2x180NB5-B01 C
124.07 kW
Dry cooler BC/BD-2x280KB5-B03 C
Defrost: None
Product code: BC/BD-2x280KB5-B03 C
- Heat rejection i
- 124.08 kW
- Air flow
- 40,374 m³/h
- Fans
- 4 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 40,374 m³/h |
|---|---|
| External surface | 453.9 m² |
| Inner volume | 69.6 dm³ |
| Fin material | Aluminium |
| Net weight | 660 kg |
| Quantity | 4 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 1,300 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 38.0 dB(A) |
|---|---|
| Sound power | 70.0 dB(A) |
| Energy class | C |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BC/BD-2x280KB5-B03 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)
- 124.083 kW Fluid flow 21.54 m³/h Pressure drop 84.0 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 99.313 kW Fluid flow 17.23 m³/h Pressure drop 56.6 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 | 73.11 | not rated | not rated | not rated | not rated | not rated |
| 40 | 124.08 | 73.21 | not rated | not rated | not rated | not rated |
| 45 | 173.92 | 123.87 | 73.29 | not rated | not rated | not rated |
| 50 | 223.40 | 173.44 | 123.70 | 73.38 | not rated | not rated |
| 55 | 272.71 | 222.65 | 173.04 | 123.59 | 73.50 | not rated |
| 60 | 321.93 | 271.71 | 222.04 | 172.75 | 123.57 | 73.67 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 58.88 | not rated | not rated | not rated | not rated | not rated |
| 40 | 99.31 | 59.00 | not rated | not rated | not rated | not rated |
| 45 | 138.78 | 99.21 | 59.11 | not rated | not rated | not rated |
| 50 | 177.93 | 138.48 | 99.13 | 59.22 | not rated | not rated |
| 55 | 216.94 | 177.44 | 138.25 | 99.11 | 59.37 | not rated |
| 60 | 255.86 | 216.27 | 177.06 | 138.11 | 99.18 | 59.56 |
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) | 124.083 | 21.54 | 84.0 |
| Low speed (Y) | 99.313 | 17.23 | 56.6 |
Dimensions
| A | 3850 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 3600 mm |
| H | 1750 mm |
| I | 2260 mm |
| K | 4150 mm |
| D IN | 2 1/2" |
| D OUT | 2 1/2" |
| Length | 4150 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.