BC/BD-2x391BC1-B04 C
462.04 kW
Dry cooler BC/BD-691BC1-B04 C
Defrost: None
Product code: BC/BD-691BC1-B04 C
- Heat rejection i
- 461.76 kW
- Air flow
- 146,371 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 146,371 m³/h |
|---|---|
| External surface | 1,441.4 m² |
| Inner volume | 184.0 dm³ |
| Fin material | Aluminium |
| Net weight | 1,300 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 | 99.0 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-691BC1-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)
- 461.758 kW Fluid flow 80.13 m³/h Pressure drop 39.8 kPa
- Heat rejection · Low speed (Y)
- 361.695 kW Fluid flow 62.77 m³/h Pressure drop 25.7 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 | 264.18 | not rated | not rated | not rated | not rated | not rated |
| 40 | 461.76 | 265.80 | not rated | not rated | not rated | not rated |
| 45 | 654.43 | 462.16 | 267.27 | not rated | not rated | not rated |
| 50 | 845.46 | 653.73 | 462.58 | 268.62 | not rated | not rated |
| 55 | 1035.72 | 843.75 | 653.27 | 463.17 | 270.00 | not rated |
| 60 | 1225.56 | 1033.06 | 842.47 | 653.23 | 464.06 | 271.49 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 209.14 | not rated | not rated | not rated | not rated | not rated |
| 40 | 361.70 | 210.40 | not rated | not rated | not rated | not rated |
| 45 | 509.82 | 361.90 | 211.54 | not rated | not rated | not rated |
| 50 | 656.42 | 509.08 | 362.16 | 212.62 | not rated | not rated |
| 55 | 802.39 | 654.94 | 508.66 | 362.63 | 213.76 | not rated |
| 60 | 947.97 | 800.13 | 653.86 | 508.62 | 363.34 | 215.02 |
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) | 461.758 | 80.13 | 39.8 |
| Low speed (Y) | 361.695 | 62.77 | 25.7 |
Dimensions
| A | 11050 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 10600 mm |
| H | 1750 mm |
| I | 1190 mm |
| K | 11550 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 11550 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.