BC/BD-2x291GD1-B04 C
386.29 kW
Dry cooler BC/BD-491GD1-B04 C
Defrost: None
Product code: BC/BD-491GD1-B04 C
- Heat rejection i
- 386.03 kW
- Air flow
- 103,253 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 103,253 m³/h |
|---|---|
| External surface | 1,647.4 m² |
| Inner volume | 193.3 dm³ |
| Fin material | Aluminium |
| Net weight | 1,166 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 | 96.6 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-491GD1-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)
- 386.029 kW Fluid flow 66.94 m³/h Pressure drop 23.7 kPa
- Heat rejection · Low speed (Y)
- 297.432 kW Fluid flow 51.58 m³/h Pressure drop 14.7 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 | 223.79 | not rated | not rated | not rated | not rated | not rated |
| 40 | 386.03 | 224.94 | not rated | not rated | not rated | not rated |
| 45 | 542.87 | 385.63 | 225.94 | not rated | not rated | not rated |
| 50 | 697.89 | 541.16 | 385.29 | 226.87 | not rated | not rated |
| 55 | 852.03 | 694.97 | 539.75 | 385.18 | 227.82 | not rated |
| 60 | 1005.69 | 847.96 | 692.54 | 538.77 | 385.39 | 228.94 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 174.36 | not rated | not rated | not rated | not rated | not rated |
| 40 | 297.43 | 175.28 | not rated | not rated | not rated | not rated |
| 45 | 415.74 | 297.04 | 176.07 | not rated | not rated | not rated |
| 50 | 532.46 | 414.34 | 296.76 | 176.82 | not rated | not rated |
| 55 | 648.44 | 530.15 | 413.23 | 296.70 | 177.62 | not rated |
| 60 | 764.01 | 645.26 | 528.29 | 412.52 | 296.94 | 178.57 |
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) | 386.029 | 66.94 | 23.7 |
| Low speed (Y) | 297.432 | 51.58 | 14.7 |
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.