BC/BD-2x491BB5-B04 C
499.70 kW
Dry cooler BC/BD-2x391HB1-B04 C
Defrost: None
Product code: BC/BD-2x391HB1-B04 C
- Heat rejection i
- 499.73 kW
- Air flow
- 161,363 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 161,363 m³/h |
|---|---|
| External surface | 1,407.3 m² |
| Inner volume | 305.0 dm³ |
| Fin material | Aluminium |
| Net weight | 1,379 kg |
| Quantity | 6 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 16,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 98.1 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x391HB1-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)
- 499.734 kW Fluid flow 86.73 m³/h Pressure drop 38.2 kPa
- Heat rejection · Low speed (Y)
- 397.598 kW Fluid flow 69.01 m³/h Pressure drop 25.4 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 | 287.13 | not rated | not rated | not rated | not rated | not rated |
| 40 | 499.73 | 288.41 | not rated | not rated | not rated | not rated |
| 45 | 707.37 | 499.57 | 289.55 | not rated | not rated | not rated |
| 50 | 913.31 | 705.91 | 499.50 | 290.57 | not rated | not rated |
| 55 | 1118.51 | 910.65 | 704.71 | 499.55 | 291.60 | not rated |
| 60 | 1323.26 | 1114.63 | 908.41 | 703.88 | 499.86 | 292.76 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 230.49 | not rated | not rated | not rated | not rated | not rated |
| 40 | 397.60 | 231.49 | not rated | not rated | not rated | not rated |
| 45 | 560.23 | 397.39 | 232.39 | not rated | not rated | not rated |
| 50 | 721.43 | 558.99 | 397.27 | 233.23 | not rated | not rated |
| 55 | 881.87 | 719.14 | 558.00 | 397.35 | 234.13 | not rated |
| 60 | 1041.99 | 878.69 | 717.33 | 557.36 | 397.73 | 235.20 |
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) | 499.734 | 86.73 | 38.2 |
| Low speed (Y) | 397.598 | 69.01 | 25.4 |
Dimensions
| A | 7750 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 7300 mm |
| H | 2400 mm |
| I | 2310 mm |
| K | 8250 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 8250 mm |
|---|---|
| Width | 2360 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.