BC/BD-2x291MD1-B04 C
374.95 kW
Dry cooler BC/BD-2x680DD1-B03 C
Defrost: None
Product code: BC/BD-2x680DD1-B03 C
- Heat rejection i
- 375.58 kW
- Air flow
- 83,861 m³/h
- Fans
- 12 × ⌀800 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 83,861 m³/h |
|---|---|
| External surface | 2,345.6 m² |
| Inner volume | 442.8 dm³ |
| Fin material | Aluminium |
| Net weight | 2,004 kg |
| Quantity | 12 |
|---|---|
| Diameter | 800 mm |
| Speed | 435 rpm |
| Power | 3,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 12 |
| Sound pressure | 43.0 dB(A) |
|---|---|
| Sound power | 75.0 dB(A) |
| Energy class | C |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-2x680DD1-B03 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)
- 375.578 kW Fluid flow 65.14 m³/h Pressure drop 62.4 kPa
- Heat rejection · Low speed (Y)
- not rated
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 | 233.29 | not rated | not rated | not rated | not rated | not rated |
| 40 | 375.58 | 233.35 | not rated | not rated | not rated | not rated |
| 45 | 513.68 | 374.81 | 233.54 | not rated | not rated | not rated |
| 50 | 650.43 | 512.21 | 374.41 | 233.96 | not rated | not rated |
| 55 | 786.57 | 648.31 | 511.31 | 374.48 | 234.71 | not rated |
| 60 | 922.37 | 783.81 | 646.94 | 511.11 | 375.17 | 235.86 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | not rated | not rated | not rated | not rated | not rated | not rated |
| 40 | not rated | not rated | not rated | not rated | not rated | not rated |
| 45 | not rated | not rated | not rated | not rated | not rated | not rated |
| 50 | not rated | not rated | not rated | not rated | not rated | not rated |
| 55 | not rated | not rated | not rated | not rated | not rated | not rated |
| 60 | not rated | not rated | not rated | not rated | not rated | 171.95 |
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) | 375.578 | 65.14 | 62.4 |
| Low speed (Y) | — | — | — |
Dimensions
| A | 7550 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 7300 mm |
| H | 1200 mm |
| I | 2310 mm |
| K | 7850 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 7850 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.