BC/BD-2x580AD5-B03 C
318.41 kW
Dry cooler BC/BD-491BD5-B04 C
Defrost: None
Product code: BC/BD-491BD5-B04 C
- Heat rejection i
- 318.48 kW
- Air flow
- 95,257 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 95,257 m³/h |
|---|---|
| External surface | 1,015.7 m² |
| Inner volume | 147.1 dm³ |
| Fin material | Aluminium |
| Net weight | 921 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 65.0 dB(A) |
|---|---|
| Sound power | 97.1 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-491BD5-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)
- 318.475 kW Fluid flow 55.27 m³/h Pressure drop 62.2 kPa
- Heat rejection · Low speed (Y)
- 246.661 kW Fluid flow 42.81 m³/h Pressure drop 39.5 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 | 186.24 | not rated | not rated | not rated | not rated | not rated |
| 40 | 318.48 | 186.85 | not rated | not rated | not rated | not rated |
| 45 | 447.49 | 318.30 | 187.42 | not rated | not rated | not rated |
| 50 | 575.42 | 446.59 | 318.20 | 188.01 | not rated | not rated |
| 55 | 702.88 | 573.86 | 445.92 | 318.32 | 188.68 | not rated |
| 60 | 830.00 | 700.61 | 572.59 | 445.64 | 318.72 | 189.50 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 145.83 | not rated | not rated | not rated | not rated | not rated |
| 40 | 246.66 | 146.32 | not rated | not rated | not rated | not rated |
| 45 | 344.69 | 246.50 | 146.76 | not rated | not rated | not rated |
| 50 | 441.81 | 344.02 | 246.43 | 147.24 | not rated | not rated |
| 55 | 538.51 | 440.65 | 343.52 | 246.55 | 147.79 | not rated |
| 60 | 634.97 | 536.86 | 439.74 | 343.33 | 246.90 | 148.49 |
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) | 318.475 | 55.27 | 62.2 |
| Low speed (Y) | 246.661 | 42.81 | 39.5 |
Dimensions
| A | 7350 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 7100 mm |
| H | 1750 mm |
| I | 1190 mm |
| K | 7650 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 7650 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.