BE-391DB1-B04 C
278.54 kW
Dry cooler BE-2x280DB1-B01C C
Defrost: None
Product code: BE-2x280DB1-B01C C
- Heat rejection i
- 278.59 kW
- Air flow
- 87,673 m³/h
- Fans
- 4 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 87,673 m³/h |
|---|---|
| External surface | 981.4 m² |
| Inner volume | 129.7 dm³ |
| Fin material | Aluminium |
| Net weight | 1,362 kg |
| Quantity | 4 |
|---|---|
| Diameter | 800 mm |
| Speed | 900 rpm |
| Power | 7,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 54.0 dB(A) |
|---|---|
| Sound power | 86.0 dB(A) |
| Energy class | D |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BE-2x280DB1-B01C 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)
- 278.589 kW Fluid flow 48.35 m³/h Pressure drop 61.3 kPa
- Heat rejection · Low speed (Y)
- 221.043 kW Fluid flow 38.36 m³/h Pressure drop 40.6 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 | 162.87 | not rated | not rated | not rated | not rated | not rated |
| 40 | 278.59 | 163.13 | not rated | not rated | not rated | not rated |
| 45 | 391.52 | 277.94 | 163.32 | not rated | not rated | not rated |
| 50 | 503.56 | 390.07 | 277.36 | 163.51 | not rated | not rated |
| 55 | 615.17 | 501.34 | 388.79 | 276.91 | 163.75 | not rated |
| 60 | 726.58 | 612.21 | 499.39 | 387.77 | 276.66 | 164.07 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 130.13 | not rated | not rated | not rated | not rated | not rated |
| 40 | 221.04 | 130.29 | not rated | not rated | not rated | not rated |
| 45 | 309.54 | 220.41 | 130.40 | not rated | not rated | not rated |
| 50 | 397.23 | 308.22 | 219.86 | 130.53 | not rated | not rated |
| 55 | 484.59 | 395.26 | 307.05 | 219.42 | 130.69 | not rated |
| 60 | 571.75 | 481.98 | 393.54 | 306.13 | 219.16 | 130.94 |
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) | 278.589 | 48.35 | 61.3 |
| Low speed (Y) | 221.043 | 38.36 | 40.6 |
Dimensions
| A | 2453 mm |
|---|---|
| B | 2300 mm |
| C | 4050 mm |
| F | 2230 mm |
| G | 4650 mm |
| E1 | 1850 mm |
| H | 4300 mm |
| D IN | 2 1/2" |
| D OUT | 2 1/2" |
| Length | 4650 mm |
|---|---|
| Width | 2300 mm |
| Height | 2453 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.