BE-491BB1-B04 C
317.07 kW
Dry cooler BE-391DC1-B04 C
Defrost: None
Product code: BE-391DC1-B04 C
- Heat rejection i
- 317.42 kW
- Air flow
- 87,271 m³/h
- Fans
- 3 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 87,271 m³/h |
|---|---|
| External surface | 1,269.1 m² |
| Inner volume | 148.6 dm³ |
| Fin material | Aluminium |
| Net weight | 1,096 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-391DC1-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)
- 317.416 kW Fluid flow 55.09 m³/h Pressure drop 49.2 kPa
- Heat rejection · Low speed (Y)
- 250.752 kW Fluid flow 43.49 m³/h Pressure drop 32.2 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 | 187.92 | not rated | not rated | not rated | not rated | not rated |
| 40 | 317.42 | 188.03 | not rated | not rated | not rated | not rated |
| 45 | 443.27 | 316.33 | 188.08 | not rated | not rated | not rated |
| 50 | 568.00 | 441.12 | 315.29 | 188.17 | not rated | not rated |
| 55 | 692.18 | 564.83 | 439.23 | 314.54 | 188.32 | not rated |
| 60 | 816.06 | 688.03 | 562.07 | 437.70 | 314.04 | 188.64 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 149.60 | not rated | not rated | not rated | not rated | not rated |
| 40 | 250.75 | 149.64 | not rated | not rated | not rated | not rated |
| 45 | 348.84 | 249.75 | 149.63 | not rated | not rated | not rated |
| 50 | 445.92 | 346.94 | 248.86 | 149.65 | not rated | not rated |
| 55 | 542.53 | 443.18 | 345.28 | 248.15 | 149.71 | not rated |
| 60 | 638.89 | 538.97 | 440.79 | 343.95 | 247.70 | 149.94 |
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) | 317.416 | 55.09 | 49.2 |
| Low speed (Y) | 250.752 | 43.49 | 32.2 |
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.