BC/BD-480OD5-B01 C
313.67 kW
Dry cooler BC/BD-491GB1-B04 C
Defrost: None
Product code: BC/BD-491GB1-B04 C
- Heat rejection i
- 313.59 kW
- Air flow
- 110,292 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 110,292 m³/h |
|---|---|
| External surface | 988.4 m² |
| Inner volume | 125.2 dm³ |
| Fin material | Aluminium |
| Net weight | 981 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 | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-491GB1-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)
- 313.586 kW Fluid flow 54.42 m³/h Pressure drop 32.2 kPa
- Heat rejection · Low speed (Y)
- 254.627 kW Fluid flow 44.19 m³/h Pressure drop 22.1 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 | 176.96 | not rated | not rated | not rated | not rated | not rated |
| 40 | 313.59 | 178.14 | not rated | not rated | not rated | not rated |
| 45 | 447.07 | 313.80 | 179.16 | not rated | not rated | not rated |
| 50 | 579.50 | 446.42 | 313.98 | 180.03 | not rated | not rated |
| 55 | 711.48 | 578.06 | 445.88 | 314.21 | 180.90 | not rated |
| 60 | 843.18 | 709.26 | 576.84 | 445.53 | 314.59 | 181.79 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 144.86 | not rated | not rated | not rated | not rated | not rated |
| 40 | 254.63 | 145.80 | not rated | not rated | not rated | not rated |
| 45 | 361.45 | 254.71 | 146.60 | not rated | not rated | not rated |
| 50 | 467.32 | 360.79 | 254.78 | 147.33 | not rated | not rated |
| 55 | 572.72 | 465.97 | 360.24 | 254.92 | 148.04 | not rated |
| 60 | 677.90 | 570.74 | 464.85 | 359.91 | 255.20 | 148.79 |
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) | 313.586 | 54.42 | 32.2 |
| Low speed (Y) | 254.627 | 44.19 | 22.1 |
Dimensions
| A | 9950 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9700 mm |
| H | 2400 mm |
| I | 1190 mm |
| K | 10250 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 10250 mm |
|---|---|
| Width | 1240 mm |
| Height | 1450 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.