BC/BD-t-2x580GB1-B03 C
298.40 kW
Dry cooler BC/BD-2x291MB1-B04 C
Defrost: None
Product code: BC/BD-2x291MB1-B04 C
- Heat rejection i
- 298.44 kW
- Air flow
- 110,581 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 110,581 m³/h |
|---|---|
| External surface | 734.8 m² |
| Inner volume | 112.0 dm³ |
| Fin material | Aluminium |
| Net weight | 837 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 | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-2x291MB1-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)
- 298.443 kW Fluid flow 51.79 m³/h Pressure drop 77.3 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 241.483 kW Fluid flow 41.91 m³/h Pressure drop 53.1 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 | 171.48 | not rated | not rated | not rated | not rated | not rated |
| 40 | 298.44 | 172.18 | not rated | not rated | not rated | not rated |
| 45 | 422.77 | 298.38 | 172.77 | not rated | not rated | not rated |
| 50 | 546.25 | 422.05 | 298.35 | 173.31 | not rated | not rated |
| 55 | 669.33 | 544.88 | 421.44 | 298.38 | 173.85 | not rated |
| 60 | 792.22 | 667.35 | 543.73 | 421.01 | 298.56 | 174.46 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 139.64 | not rated | not rated | not rated | not rated | not rated |
| 40 | 241.48 | 140.19 | not rated | not rated | not rated | not rated |
| 45 | 340.95 | 241.37 | 140.65 | not rated | not rated | not rated |
| 50 | 439.66 | 340.27 | 241.29 | 141.10 | not rated | not rated |
| 55 | 538.01 | 438.45 | 339.72 | 241.31 | 141.56 | not rated |
| 60 | 636.17 | 536.28 | 437.44 | 339.36 | 241.46 | 142.08 |
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) | 298.443 | 51.79 | 77.3 |
| Low speed (Y) | 241.483 | 41.91 | 53.1 |
Dimensions
| A | 5150 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 4900 mm |
| H | 2400 mm |
| I | 2260 mm |
| K | 5450 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 5450 mm |
|---|---|
| Width | 2310 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.