BC/BD-791EC1-B04 C
470.58 kW
Dry cooler BC/BD-t-2X663AC5-B19 C
Defrost: None
Product code: BC/BD-t-2X663AC5-B19 C
- Heat rejection i
- 470.07 kW
- Air flow
- 132,416 m³/h
- Fans
- 12 × ⌀630 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 132,416 m³/h |
|---|---|
| External surface | 933.7 m² |
| Inner volume | 169.0 dm³ |
| Fin material | Aluminium |
| Net weight | 972 kg |
| Quantity | 12 |
|---|---|
| Diameter | 630 mm |
| Speed | 1,330 rpm |
| Power | 15,000 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 4 |
| Sound pressure | 62.0 dB(A) |
|---|---|
| Sound power | 94.0 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-t-2X663AC5-B19 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)
- 470.066 kW Fluid flow 81.59 m³/h Pressure drop 94.0 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 390.739 kW Fluid flow 67.76 m³/h Pressure drop 67.7 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 | 277.19 | not rated | not rated | not rated | not rated | not rated |
| 40 | 470.07 | 277.69 | not rated | not rated | not rated | not rated |
| 45 | 657.91 | 469.16 | 278.15 | not rated | not rated | not rated |
| 50 | 844.15 | 655.76 | 468.46 | 278.64 | not rated | not rated |
| 55 | 1029.65 | 840.81 | 653.99 | 467.97 | 279.26 | not rated |
| 60 | 1214.70 | 1025.12 | 838.03 | 652.74 | 467.96 | 280.12 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 232.28 | not rated | not rated | not rated | not rated | not rated |
| 40 | 390.74 | 232.67 | not rated | not rated | not rated | not rated |
| 45 | 544.82 | 389.93 | 233.02 | not rated | not rated | not rated |
| 50 | 697.43 | 542.96 | 389.29 | 233.45 | not rated | not rated |
| 55 | 849.37 | 694.57 | 541.45 | 388.95 | 234.00 | not rated |
| 60 | 1000.91 | 845.51 | 692.22 | 540.44 | 389.00 | 234.78 |
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) | 470.066 | 81.59 | 94.0 |
| Low speed (Y) | 390.739 | 67.76 | 67.7 |
Dimensions
| A | 5850 mm |
|---|---|
| B | 1220 mm |
| C | 2310 mm |
| F | 1050 mm |
| G | 450 mm |
| E | 5500 mm |
| H | 900 mm |
| I | 2260 mm |
| K | 6200 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 5850 mm |
|---|---|
| Width | 2310 mm |
| Height | 1220 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.