BC/BD-591BD1-B04 C
409.00 kW
Dry cooler BC/BD-t-2x291RC1-B04 C
Defrost: None
Product code: BC/BD-t-2x291RC1-B04 C
- Heat rejection i
- 409.10 kW
- Air flow
- 103,822 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 103,822 m³/h |
|---|---|
| External surface | 979.8 m² |
| Inner volume | 135.5 dm³ |
| Fin material | Aluminium |
| Net weight | 905 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 64.0 dB(A) |
|---|---|
| Sound power | 96.5 dB(A) |
| Energy class | D |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-t-2x291RC1-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)
- 409.099 kW Fluid flow 70.96 m³/h Pressure drop 71.8 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 313.466 kW Fluid flow 54.36 m³/h Pressure drop 44.6 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 | 243.27 | not rated | not rated | not rated | not rated | not rated |
| 40 | 409.10 | 243.60 | not rated | not rated | not rated | not rated |
| 45 | 569.89 | 407.93 | 243.89 | not rated | not rated | not rated |
| 50 | 728.97 | 567.41 | 406.96 | 244.17 | not rated | not rated |
| 55 | 887.25 | 725.24 | 565.33 | 406.30 | 244.67 | not rated |
| 60 | 1045.07 | 882.31 | 722.11 | 563.80 | 406.07 | 245.40 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 188.60 | not rated | not rated | not rated | not rated | not rated |
| 40 | 313.47 | 188.83 | not rated | not rated | not rated | not rated |
| 45 | 434.07 | 312.52 | 189.05 | not rated | not rated | not rated |
| 50 | 553.25 | 432.11 | 311.75 | 189.33 | not rated | not rated |
| 55 | 671.77 | 550.35 | 430.51 | 311.27 | 189.75 | not rated |
| 60 | 789.92 | 667.97 | 547.98 | 429.39 | 311.18 | 190.41 |
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) | 409.099 | 70.96 | 71.8 |
| Low speed (Y) | 313.466 | 54.36 | 44.6 |
Dimensions
| A | 5150 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 4900 mm |
| H | 2400 mm |
| I | 2260 mm |
| K | 5450 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 5450 mm |
|---|---|
| Width | 2310 mm |
| Height | 1450 mm |
Downloads
Ask about product
Our engineers answer with a selection for your conditions.
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.