BC/BD-691BC1-B04 C
461.76 kW
Dry cooler BC/BD-2x391BC1-B04 C
Defrost: None
Product code: BC/BD-2x391BC1-B04 C
- Heat rejection i
- 462.04 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 | 213.8 dm³ |
| Fin material | Aluminium |
| Net weight | 1,223 kg |
| Quantity | 6 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 16,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 67.0 dB(A) |
|---|---|
| Sound power | 99.0 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x391BC1-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)
- 462.040 kW Fluid flow 80.18 m³/h Pressure drop 41.3 kPa
- Heat rejection · Low speed (Y)
- 361.900 kW Fluid flow 62.81 m³/h Pressure drop 26.7 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 | 264.47 | not rated | not rated | not rated | not rated | not rated |
| 40 | 462.04 | 266.08 | not rated | not rated | not rated | not rated |
| 45 | 654.70 | 462.43 | 267.53 | not rated | not rated | not rated |
| 50 | 845.73 | 653.99 | 462.84 | 268.87 | not rated | not rated |
| 55 | 1035.98 | 844.01 | 653.52 | 463.41 | 270.24 | not rated |
| 60 | 1225.82 | 1033.31 | 842.72 | 653.47 | 464.29 | 271.73 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 209.37 | not rated | not rated | not rated | not rated | not rated |
| 40 | 361.90 | 210.63 | not rated | not rated | not rated | not rated |
| 45 | 509.99 | 362.09 | 211.74 | not rated | not rated | not rated |
| 50 | 656.60 | 509.27 | 362.34 | 212.80 | not rated | not rated |
| 55 | 802.57 | 655.12 | 508.84 | 362.81 | 213.94 | not rated |
| 60 | 948.14 | 800.30 | 654.04 | 508.79 | 363.51 | 215.20 |
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) | 462.040 | 80.18 | 41.3 |
| Low speed (Y) | 361.900 | 62.81 | 26.7 |
Dimensions
| A | 5800 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 5350 mm |
| H | 1750 mm |
| I | 2310 mm |
| K | 6300 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 6300 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.