BE-2x391DB1-C04C C
501.90 kW
Dry cooler BE-491FD5-B04 C
Defrost: None
Product code: BE-491FD5-B04 C
- Heat rejection i
- 501.78 kW
- Air flow
- 117,092 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 117,092 m³/h |
|---|---|
| External surface | 3,028.1 m² |
| Inner volume | 644.5 dm³ |
| Fin material | Aluminium |
| Net weight | 2,143 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 63.0 dB(A) |
|---|---|
| Sound power | 96.0 dB(A) |
| Energy class | D |
| Inlet | 3" |
|---|---|
| Outlet | 3" |
| BE-491FD5-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)
- 501.776 kW Fluid flow 87.03 m³/h Pressure drop 24.1 kPa
- Heat rejection · Low speed (Y)
- 387.903 kW Fluid flow 67.32 m³/h Pressure drop 15.0 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 | 305.20 | not rated | not rated | not rated | not rated | not rated |
| 40 | 501.78 | 304.54 | not rated | not rated | not rated | not rated |
| 45 | 691.88 | 498.77 | 303.89 | not rated | not rated | not rated |
| 50 | 879.85 | 686.83 | 496.11 | 303.38 | not rated | not rated |
| 55 | 1066.85 | 872.86 | 682.40 | 493.94 | 303.13 | not rated |
| 60 | 1253.30 | 1057.96 | 866.75 | 678.76 | 492.40 | 303.26 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 238.06 | not rated | not rated | not rated | not rated | not rated |
| 40 | 387.90 | 237.44 | not rated | not rated | not rated | not rated |
| 45 | 532.38 | 385.35 | 236.83 | not rated | not rated | not rated |
| 50 | 675.18 | 528.19 | 383.10 | 236.36 | not rated | not rated |
| 55 | 817.20 | 669.45 | 524.53 | 381.26 | 236.10 | not rated |
| 60 | 958.81 | 809.98 | 664.46 | 521.54 | 379.97 | 236.16 |
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) | 501.776 | 87.03 | 24.1 |
| Low speed (Y) | 387.903 | 67.32 | 15.0 |
Dimensions
| A | 1958 mm |
|---|---|
| B | 1210 mm |
| C | 10060 mm |
| F | 1050 mm |
| G | 10660 mm |
| E1 | 2430 mm |
| E2 | 2400 mm |
| D IN | 3" |
| D OUT | 3" |
| Length | 10660 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.