BC/BD-280NB1-B01 C
135.32 kW
Dry cooler BC/BD-2x180NB1-B01 C
Defrost: None
Product code: BC/BD-2x180NB1-B01 C
- Heat rejection i
- 135.42 kW
- Air flow
- 42,396 m³/h
- Fans
- 2 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 42,396 m³/h |
|---|---|
| External surface | 494.2 m² |
| Inner volume | 69.7 dm³ |
| Fin material | Aluminium |
| Net weight | 487 kg |
| Quantity | 2 |
|---|---|
| Diameter | 800 mm |
| Speed | 900 rpm |
| Power | 3,600 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 51.0 dB(A) |
|---|---|
| Sound power | 83.0 dB(A) |
| Energy class | D |
| Inlet | 2 1/2" |
|---|---|
| Outlet | 2 1/2" |
| BC/BD-2x180NB1-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)
- 135.419 kW Fluid flow 23.50 m³/h Pressure drop 77.0 kPa above the recommended pressure drop
- Heat rejection · Low speed (Y)
- 107.877 kW Fluid flow 18.72 m³/h Pressure drop 51.4 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 | 79.03 | not rated | not rated | not rated | not rated | not rated |
| 40 | 135.42 | 79.18 | not rated | not rated | not rated | not rated |
| 45 | 190.50 | 135.17 | 79.30 | not rated | not rated | not rated |
| 50 | 245.17 | 189.89 | 134.95 | 79.42 | not rated | not rated |
| 55 | 299.62 | 244.19 | 189.36 | 134.77 | 79.56 | not rated |
| 60 | 353.98 | 298.31 | 243.36 | 188.92 | 134.70 | 79.75 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 63.52 | not rated | not rated | not rated | not rated | not rated |
| 40 | 107.88 | 63.60 | not rated | not rated | not rated | not rated |
| 45 | 151.10 | 107.61 | 63.67 | not rated | not rated | not rated |
| 50 | 193.94 | 150.50 | 107.37 | 63.75 | not rated | not rated |
| 55 | 236.61 | 193.04 | 149.99 | 107.21 | 63.85 | not rated |
| 60 | 279.19 | 235.42 | 192.28 | 149.61 | 107.12 | 64.00 |
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) | 135.419 | 23.50 | 77.0 |
| Low speed (Y) | 107.877 | 18.72 | 51.4 |
Dimensions
| A | 2750 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 2500 mm |
| H | 2400 mm |
| I | 2310 mm |
| K | 3050 mm |
| D IN | 2 1/2" |
| D OUT | 2 1/2" |
| Length | 3050 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.