BC/BD-2x680DD1-B03 C
375.58 kW
Dry cooler BC/BD-2x291MD1-B04 C
Defrost: None
Product code: BC/BD-2x291MD1-B04 C
- Heat rejection i
- 374.95 kW
- Air flow
- 103,692 m³/h
- Fans
- 4 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Data
| Air flow | 103,692 m³/h |
|---|---|
| External surface | 1,224.7 m² |
| Inner volume | 159.0 dm³ |
| Fin material | Aluminium |
| Net weight | 972 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 64.0 dB(A) |
|---|---|
| Sound power | 96.5 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-2x291MD1-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)
- 374.946 kW Fluid flow 65.08 m³/h Pressure drop 52.1 kPa
- Heat rejection · Low speed (Y)
- 289.129 kW Fluid flow 50.14 m³/h Pressure drop 32.7 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 | 220.59 | not rated | not rated | not rated | not rated | not rated |
| 40 | 374.95 | 221.20 | not rated | not rated | not rated | not rated |
| 45 | 524.86 | 374.28 | 221.70 | not rated | not rated | not rated |
| 50 | 673.40 | 523.15 | 373.71 | 222.21 | not rated | not rated |
| 55 | 821.27 | 670.67 | 521.72 | 373.41 | 222.82 | not rated |
| 60 | 968.76 | 817.56 | 668.41 | 520.72 | 373.45 | 223.59 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 171.70 | not rated | not rated | not rated | not rated | not rated |
| 40 | 289.13 | 172.18 | not rated | not rated | not rated | not rated |
| 45 | 402.87 | 288.61 | 172.60 | not rated | not rated | not rated |
| 50 | 515.37 | 401.52 | 288.21 | 173.06 | not rated | not rated |
| 55 | 627.32 | 513.26 | 400.44 | 288.03 | 173.55 | not rated |
| 60 | 738.95 | 624.47 | 511.55 | 399.74 | 288.15 | 174.24 |
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) | 374.946 | 65.08 | 52.1 |
| Low speed (Y) | 289.129 | 50.14 | 32.7 |
Dimensions
| A | 5150 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 4900 mm |
| H | 2400 mm |
| I | 2260 mm |
| K | 5450 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 5450 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.