BC/BD-2x491KD5-B04 C
504.90 kW
Dry cooler BC/BD-980DD1-B01 C
Defrost: None
Product code: BC/BD-980DD1-B01 C
- Heat rejection i
- 504.89 kW
- Air flow
- 127,685 m³/h
- Fans
- 9 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 127,685 m³/h |
|---|---|
| External surface | 1,759.2 m² |
| Inner volume | 335.2 dm³ |
| Fin material | Aluminium |
| Net weight | 1,663 kg |
| Quantity | 9 |
|---|---|
| Diameter | 800 mm |
| Speed | 900 rpm |
| Power | 16,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 60.0 dB(A) |
|---|---|
| Sound power | 93.1 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-980DD1-B01 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)
- 504.888 kW Fluid flow 87.57 m³/h Pressure drop 72.7 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 377.969 kW Fluid flow 65.54 m³/h Pressure drop 43.5 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 | 303.42 | not rated | not rated | not rated | not rated | not rated |
| 40 | 504.89 | 304.16 | not rated | not rated | not rated | not rated |
| 45 | 700.82 | 504.57 | 304.95 | not rated | not rated | not rated |
| 50 | 894.88 | 699.59 | 504.58 | 305.84 | not rated | not rated |
| 55 | 1088.05 | 892.78 | 698.92 | 505.04 | 307.04 | not rated |
| 60 | 1280.74 | 1085.12 | 891.48 | 699.00 | 506.13 | 308.65 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 229.86 | not rated | not rated | not rated | not rated | not rated |
| 40 | 377.97 | 230.59 | not rated | not rated | not rated | not rated |
| 45 | 521.59 | 378.05 | 231.20 | not rated | not rated | not rated |
| 50 | 663.72 | 521.14 | 378.06 | 231.94 | not rated | not rated |
| 55 | 805.15 | 662.78 | 520.65 | 378.46 | 232.92 | not rated |
| 60 | 946.19 | 803.76 | 661.86 | 520.81 | 379.40 | 234.25 |
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) | 504.888 | 87.57 | 72.7 |
| Low speed (Y) | 377.969 | 65.54 | 43.5 |
Dimensions
| A | 11350 mm |
|---|---|
| B | 1450 mm |
| C | 1240 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 10900 mm |
| H | 1200 mm |
| I | 1190 mm |
| K | 11850 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 11850 mm |
|---|---|
| Width | 1240 mm |
| Height | 1450 mm |
Downloads
Ask about product
Our engineers answer with a selection for your conditions.
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.