BC/BD-691BD5-B04 C
468.46 kW
Dry cooler BC/BD-2x391BD5-B04 C
Defrost: None
Product code: BC/BD-2x391BD5-B04 C
- Heat rejection i
- 468.73 kW
- Air flow
- 142,886 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 142,886 m³/h |
|---|---|
| External surface | 1,523.5 m² |
| Inner volume | 251.0 dm³ |
| Fin material | Aluminium |
| Net weight | 1,281 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 | 99.1 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x391BD5-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)
- 468.733 kW Fluid flow 81.35 m³/h Pressure drop 30.4 kPa
- Heat rejection · Low speed (Y)
- 363.526 kW Fluid flow 63.10 m³/h Pressure drop 19.2 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 | 269.43 | not rated | not rated | not rated | not rated | not rated |
| 40 | 468.73 | 271.05 | not rated | not rated | not rated | not rated |
| 45 | 662.69 | 468.96 | 272.45 | not rated | not rated | not rated |
| 50 | 854.88 | 661.77 | 469.26 | 273.82 | not rated | not rated |
| 55 | 1046.25 | 852.89 | 661.13 | 469.84 | 275.25 | not rated |
| 60 | 1237.12 | 1043.19 | 851.41 | 661.03 | 470.74 | 276.80 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 211.22 | not rated | not rated | not rated | not rated | not rated |
| 40 | 363.53 | 212.53 | not rated | not rated | not rated | not rated |
| 45 | 511.00 | 363.71 | 213.67 | not rated | not rated | not rated |
| 50 | 656.99 | 510.34 | 363.91 | 214.77 | not rated | not rated |
| 55 | 802.23 | 655.52 | 509.87 | 364.35 | 215.93 | not rated |
| 60 | 947.07 | 800.01 | 654.40 | 509.80 | 365.13 | 217.24 |
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) | 468.733 | 81.35 | 30.4 |
| Low speed (Y) | 363.526 | 63.10 | 19.2 |
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.