BC/BD-2x480OD5-B01 C
627.35 kW
Dry cooler BC/BD-2x491GB1-B04 C
Defrost: None
Product code: BC/BD-2x491GB1-B04 C
- Heat rejection i
- 627.17 kW
- Air flow
- 220,584 m³/h
- Fans
- 8 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 220,584 m³/h |
|---|---|
| External surface | 1,976.8 m² |
| Inner volume | 269.1 dm³ |
| Fin material | Aluminium |
| Net weight | 1,765 kg |
| Quantity | 8 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 22,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 99.0 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x491GB1-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)
- 627.172 kW Fluid flow 108.84 m³/h Pressure drop 36.4 kPa
- Heat rejection · Low speed (Y)
- 509.253 kW Fluid flow 88.38 m³/h Pressure drop 25.0 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 | 353.92 | not rated | not rated | not rated | not rated | not rated |
| 40 | 627.17 | 356.27 | not rated | not rated | not rated | not rated |
| 45 | 894.14 | 627.61 | 358.31 | not rated | not rated | not rated |
| 50 | 1159.00 | 892.84 | 627.96 | 360.07 | not rated | not rated |
| 55 | 1422.97 | 1156.11 | 891.75 | 628.43 | 361.80 | not rated |
| 60 | 1686.36 | 1418.52 | 1153.69 | 891.05 | 629.17 | 363.59 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 289.73 | not rated | not rated | not rated | not rated | not rated |
| 40 | 509.25 | 291.60 | not rated | not rated | not rated | not rated |
| 45 | 722.90 | 509.41 | 293.19 | not rated | not rated | not rated |
| 50 | 934.63 | 721.58 | 509.55 | 294.66 | not rated | not rated |
| 55 | 1145.45 | 931.94 | 720.49 | 509.83 | 296.07 | not rated |
| 60 | 1355.79 | 1141.48 | 929.70 | 719.82 | 510.41 | 297.58 |
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) | 627.172 | 108.84 | 36.4 |
| Low speed (Y) | 509.253 | 88.38 | 25.0 |
Dimensions
| A | 10150 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9700 mm |
| H | 2400 mm |
| I | 2310 mm |
| K | 10650 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 10650 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.