BE-491AB1-B04 C
342.78 kW
Dry cooler BE-391DD1-B04 C
Defrost: None
Product code: BE-391DD1-B04 C
- Heat rejection i
- 342.98 kW
- Air flow
- 85,951 m³/h
- Fans
- 3 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 85,951 m³/h |
|---|---|
| External surface | 1,586.4 m² |
| Inner volume | 179.4 dm³ |
| Fin material | Aluminium |
| Net weight | 1,186 kg |
| Quantity | 3 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 8,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 63.0 dB(A) |
|---|---|
| Sound power | 95.0 dB(A) |
| Energy class | D |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BE-391DD1-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)
- 342.975 kW Fluid flow 59.48 m³/h Pressure drop 41.1 kPa
- Heat rejection · Low speed (Y)
- 267.116 kW Fluid flow 46.32 m³/h Pressure drop 26.2 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 | 205.59 | not rated | not rated | not rated | not rated | not rated |
| 40 | 342.98 | 205.53 | not rated | not rated | not rated | not rated |
| 45 | 476.09 | 341.45 | 205.38 | not rated | not rated | not rated |
| 50 | 607.81 | 473.32 | 340.11 | 205.34 | not rated | not rated |
| 55 | 738.88 | 603.84 | 470.89 | 339.04 | 205.42 | not rated |
| 60 | 869.59 | 733.75 | 600.39 | 468.94 | 338.35 | 205.71 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 161.44 | not rated | not rated | not rated | not rated | not rated |
| 40 | 267.12 | 161.34 | not rated | not rated | not rated | not rated |
| 45 | 369.19 | 265.79 | 161.22 | not rated | not rated | not rated |
| 50 | 470.10 | 366.84 | 264.63 | 161.15 | not rated | not rated |
| 55 | 570.47 | 466.79 | 364.79 | 263.71 | 161.18 | not rated |
| 60 | 670.56 | 566.22 | 463.91 | 363.15 | 263.10 | 161.40 |
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) | 342.975 | 59.48 | 41.1 |
| Low speed (Y) | 267.116 | 46.32 | 26.2 |
Dimensions
| A | 1958 mm |
|---|---|
| B | 1210 mm |
| C | 5860 mm |
| F | 1050 mm |
| G | 6460 mm |
| E1 | 1830 mm |
| E2 | 1800 mm |
| D IN | 2 1/2" |
| D OUT | 2 1/2" |
| Length | 6460 mm |
|---|---|
| Width | 1210 mm |
| Height | 1958 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.