BE-391DC1-B04 C
317.42 kW
Dry cooler BE-491BB1-B04 C
Defrost: None
Product code: BE-491BB1-B04 C
- Heat rejection i
- 317.07 kW
- Air flow
- 112,995 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 112,995 m³/h |
|---|---|
| External surface | 846.1 m² |
| Inner volume | 107.5 dm³ |
| Fin material | Aluminium |
| Net weight | 1,069 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 64.0 dB(A) |
|---|---|
| Sound power | 96.0 dB(A) |
| Energy class | E |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BE-491BB1-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)
- 317.074 kW Fluid flow 55.04 m³/h Pressure drop 68.9 kPa
- Heat rejection · Low speed (Y)
- 256.493 kW Fluid flow 44.51 m³/h Pressure drop 47.2 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 | 182.66 | not rated | not rated | not rated | not rated | not rated |
| 40 | 317.07 | 183.33 | not rated | not rated | not rated | not rated |
| 45 | 448.57 | 316.89 | 183.90 | not rated | not rated | not rated |
| 50 | 579.12 | 447.62 | 316.73 | 184.40 | not rated | not rated |
| 55 | 709.26 | 577.45 | 446.82 | 316.67 | 184.94 | not rated |
| 60 | 839.15 | 706.89 | 576.04 | 446.23 | 316.77 | 185.56 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 148.69 | not rated | not rated | not rated | not rated | not rated |
| 40 | 256.49 | 149.22 | not rated | not rated | not rated | not rated |
| 45 | 361.67 | 256.26 | 149.65 | not rated | not rated | not rated |
| 50 | 466.02 | 360.77 | 256.04 | 150.05 | not rated | not rated |
| 55 | 569.98 | 464.48 | 360.00 | 255.93 | 150.48 | not rated |
| 60 | 673.71 | 567.84 | 463.19 | 359.44 | 255.98 | 150.98 |
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) | 317.074 | 55.04 | 68.9 |
| Low speed (Y) | 256.493 | 44.51 | 47.2 |
Dimensions
| A | 1958 mm |
|---|---|
| B | 1210 mm |
| C | 5260 mm |
| F | 1050 mm |
| G | 5860 mm |
| E1 | 1230 mm |
| E2 | 1200 mm |
| D IN | 2 1/2" |
| D OUT | 2 1/2" |
| Length | 5860 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.