BC/BD-t-2x280LB1-B01 C
302.46 kW
Dry cooler BC/BD-2x391KB5-B04 C
Defrost: None
Product code: BC/BD-2x391KB5-B04 C
- Heat rejection i
- 302.52 kW
- Air flow
- 147,715 m³/h
- Fans
- 6 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 147,715 m³/h |
|---|---|
| External surface | 544.7 m² |
| Inner volume | 103.2 dm³ |
| Fin material | Aluminium |
| Net weight | 910 kg |
| Quantity | 6 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 16,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 67.0 dB(A) |
|---|---|
| Sound power | 99.0 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-2x391KB5-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)
- 302.521 kW Fluid flow 52.50 m³/h Pressure drop 70.3 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 244.575 kW Fluid flow 42.44 m³/h Pressure drop 48.2 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 | 170.38 | not rated | not rated | not rated | not rated | not rated |
| 40 | 302.52 | 171.66 | not rated | not rated | not rated | not rated |
| 45 | 432.34 | 303.36 | 172.80 | not rated | not rated | not rated |
| 50 | 561.46 | 432.81 | 304.15 | 173.85 | not rated | not rated |
| 55 | 690.24 | 561.60 | 433.33 | 304.97 | 174.85 | not rated |
| 60 | 818.84 | 690.06 | 561.85 | 433.95 | 305.85 | 175.87 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 138.54 | not rated | not rated | not rated | not rated | not rated |
| 40 | 244.58 | 139.62 | not rated | not rated | not rated | not rated |
| 45 | 348.51 | 245.27 | 140.57 | not rated | not rated | not rated |
| 50 | 451.77 | 348.89 | 245.93 | 141.45 | not rated | not rated |
| 55 | 554.75 | 451.87 | 349.32 | 246.63 | 142.32 | not rated |
| 60 | 657.54 | 554.59 | 452.11 | 349.88 | 247.41 | 143.21 |
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) | 302.521 | 52.50 | 70.3 |
| Low speed (Y) | 244.575 | 42.44 | 48.2 |
Dimensions
| A | 4550 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 4300 mm |
| H | 1400 mm |
| I | 2260 mm |
| K | 4850 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 4850 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.