BC/BD-191KD1-B04 C
70.62 kW
Dry cooler BC/BD-280MB5-B03 C
Defrost: None
Product code: BC/BD-280MB5-B03 C
- Heat rejection i
- 70.69 kW
- Air flow
- 21,424 m³/h
- Fans
- 2 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 21,424 m³/h |
|---|---|
| External surface | 315.3 m² |
| Inner volume | 41.0 dm³ |
| Fin material | Aluminium |
| Net weight | 450 kg |
| Quantity | 2 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 35.0 dB(A) |
|---|---|
| Sound power | 67.0 dB(A) |
| Energy class | B |
| Inlet | 2" |
|---|---|
| Outlet | 2" |
| BC/BD-280MB5-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)
- 70.690 kW Fluid flow 12.27 m³/h Pressure drop 64.8 kPa
- Heat rejection · Low speed (Y)
- 56.683 kW Fluid flow 9.84 m³/h Pressure drop 43.8 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 | 41.92 | not rated | not rated | not rated | not rated | not rated |
| 40 | 70.69 | 41.90 | not rated | not rated | not rated | not rated |
| 45 | 98.79 | 70.45 | 41.88 | not rated | not rated | not rated |
| 50 | 126.66 | 98.34 | 70.23 | 41.86 | not rated | not rated |
| 55 | 154.43 | 126.02 | 97.94 | 70.05 | 41.86 | not rated |
| 60 | 182.15 | 153.60 | 125.45 | 97.61 | 69.93 | 41.90 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 33.81 | not rated | not rated | not rated | not rated | not rated |
| 40 | 56.68 | 33.80 | not rated | not rated | not rated | not rated |
| 45 | 78.96 | 56.48 | 33.80 | not rated | not rated | not rated |
| 50 | 101.05 | 78.60 | 56.33 | 33.81 | not rated | not rated |
| 55 | 123.06 | 100.53 | 78.30 | 56.22 | 33.72 | not rated |
| 60 | 145.02 | 122.39 | 100.11 | 78.09 | 55.96 | 33.73 |
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) | 70.690 | 12.27 | 64.8 |
| Low speed (Y) | 56.683 | 9.84 | 43.8 |
Dimensions
| A | 5150 mm |
|---|---|
| B | 1450 mm |
| C | 1230 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 4900 mm |
| H | 2400 mm |
| I | 1180 mm |
| K | 5450 mm |
| D IN | 2" |
| D OUT | 2" |
| Length | 5450 mm |
|---|---|
| Width | 1230 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.