BC/BD-491KD5-B04 C
254.46 kW
Dry cooler BC/BD-763BD5-B19 C
Defrost: None
Product code: BC/BD-763BD5-B19 C
- Heat rejection i
- 254.43 kW
- Air flow
- 77,426 m³/h
- Fans
- 7 × ⌀630 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 77,426 m³/h |
|---|---|
| External surface | 689.7 m² |
| Inner volume | 99.8 dm³ |
| Fin material | Aluminium |
| Net weight | 701 kg |
| Quantity | 7 |
|---|---|
| Diameter | 630 mm |
| Speed | 1,330 rpm |
| Power | 8,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 4 |
| Sound pressure | 59.0 dB(A) |
|---|---|
| Sound power | 91.5 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-763BD5-B19 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)
- 254.426 kW Fluid flow 44.15 m³/h Pressure drop 101.2 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 211.970 kW Fluid flow 36.78 m³/h Pressure drop 73.3 kPa above the recommended pressure drop
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 | 149.99 | not rated | not rated | not rated | not rated | not rated |
| 40 | 254.43 | 150.25 | not rated | not rated | not rated | not rated |
| 45 | 356.42 | 254.03 | 150.48 | not rated | not rated | not rated |
| 50 | 457.63 | 355.46 | 253.74 | 150.73 | not rated | not rated |
| 55 | 558.47 | 456.11 | 354.67 | 253.57 | 151.05 | not rated |
| 60 | 659.11 | 556.40 | 454.86 | 354.14 | 253.61 | 151.49 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 125.75 | not rated | not rated | not rated | not rated | not rated |
| 40 | 211.97 | 125.95 | not rated | not rated | not rated | not rated |
| 45 | 296.04 | 211.63 | 126.16 | not rated | not rated | not rated |
| 50 | 379.38 | 295.18 | 211.38 | 126.38 | not rated | not rated |
| 55 | 462.41 | 378.08 | 294.53 | 211.26 | 126.67 | not rated |
| 60 | 545.26 | 460.67 | 377.05 | 294.11 | 211.31 | 127.08 |
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) | 254.426 | 44.15 | 101.2 |
| Low speed (Y) | 211.970 | 36.78 | 73.3 |
Dimensions
| A | 6750 mm |
|---|---|
| B | 1220 mm |
| C | 1230 mm |
| F | 1050 mm |
| G | 450 mm |
| E | 6400 mm |
| H | 900 mm |
| I | 1180 mm |
| K | 7100 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 6750 mm |
|---|---|
| Width | 1230 mm |
| Height | 1220 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.