BC/BD-2x891FB1-B04 C
976.07 kW
Dry cooler BC/BD-2x691DD5-B04 C
Defrost: None
Product code: BC/BD-2x691DD5-B04 C
- Heat rejection i
- 983.15 kW
- Air flow
- 271,721 m³/h
- Fans
- 12 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 271,721 m³/h |
|---|---|
| External surface | 2,898.0 m² |
| Inner volume | 676.4 dm³ |
| Fin material | Aluminium |
| Net weight | 2,561 kg |
| Quantity | 12 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 33,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 70.0 dB(A) |
|---|---|
| Sound power | 102.7 dB(A) |
| Energy class | E |
| Inlet | 6" |
|---|---|
| Outlet | 6" |
| BC/BD-2x691DD5-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)
- 983.146 kW Fluid flow 170.64 m³/h Pressure drop 73.3 kPa above the recommended pressure drop
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 | 583.60 | not rated | not rated | not rated | not rated | not rated |
| 40 | 983.15 | 584.71 | not rated | not rated | not rated | not rated |
| 45 | 1372.51 | 981.88 | 585.82 | not rated | not rated | not rated |
| 50 | 1758.66 | 1369.13 | 980.95 | 587.11 | not rated | not rated |
| 55 | 2143.23 | 1753.21 | 1366.60 | 980.87 | 588.79 | not rated |
| 60 | 2526.91 | 2135.77 | 1749.02 | 1365.25 | 981.76 | 591.05 |
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) | 983.146 | 170.64 | 73.3 |
Dimensions
| A | 11050 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 10600 mm |
| H | 1750 mm |
| I | 2310 mm |
| K | 11550 mm |
| D IN | 6" |
| D OUT | 6" |
| Length | 11550 mm |
|---|---|
| Width | 2360 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.