BE-491FB5-B04 C
422.04 kW
Dry cooler BE-2x391BB1-C04C C
Defrost: None
Product code: BE-2x391BB1-C04C C
- Heat rejection i
- 421.50 kW
- Air flow
- 161,444 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 161,444 m³/h |
|---|---|
| External surface | 951.2 m² |
| Inner volume | 138.0 dm³ |
| Fin material | Aluminium |
| Net weight | 1,613 kg |
| Quantity | 6 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 16,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 66.0 dB(A) |
|---|---|
| Sound power | 98.0 dB(A) |
| Energy class | E |
| Inlet | 3" |
|---|---|
| Outlet | 3" |
| BE-2x391BB1-C04C 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)
- 421.497 kW Fluid flow 73.15 m³/h Pressure drop 127.4 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 339.877 kW Fluid flow 58.99 m³/h Pressure drop 87.0 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 | 243.10 | not rated | not rated | not rated | not rated | not rated |
| 40 | 421.50 | 244.00 | not rated | not rated | not rated | not rated |
| 45 | 596.42 | 421.50 | 244.77 | not rated | not rated | not rated |
| 50 | 770.25 | 595.63 | 421.54 | 245.48 | not rated | not rated |
| 55 | 943.54 | 768.69 | 595.00 | 421.69 | 246.21 | not rated |
| 60 | 1116.55 | 941.23 | 767.41 | 594.62 | 422.00 | 247.03 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 197.31 | not rated | not rated | not rated | not rated | not rated |
| 40 | 339.88 | 198.03 | not rated | not rated | not rated | not rated |
| 45 | 479.35 | 339.85 | 198.67 | not rated | not rated | not rated |
| 50 | 617.85 | 478.68 | 339.89 | 199.31 | not rated | not rated |
| 55 | 755.87 | 616.56 | 478.18 | 340.06 | 199.97 | not rated |
| 60 | 893.64 | 753.98 | 615.55 | 477.95 | 340.46 | 200.74 |
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) | 421.497 | 73.15 | 127.4 |
| Low speed (Y) | 339.877 | 58.99 | 87.0 |
Dimensions
| A | 2511 mm |
|---|---|
| B | 2300 mm |
| C | 4050 mm |
| F | 2230 mm |
| G | 4650 mm |
| E1 | 1230 mm |
| E2 | 1200 mm |
| H | 4300 mm |
| D IN | 3" |
| D OUT | 3" |
| Length | 4050 mm |
|---|---|
| Width | 2300 mm |
| Height | 2511 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.