BC/BD-2x591DB5-B04 C
660.76 kW
Dry cooler BC/BD-2x591BB1-B04 C
Defrost: None
Product code: BC/BD-2x591BB1-B04 C
- Heat rejection i
- 662.43 kW
- Air flow
- 257,181 m³/h
- Fans
- 10 × ⌀910 mm
Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %
Model nomenclature
How to read the code of this model.
-
A
Series: BC/BD — BC = vertical, BD = horizontal dry cooler (air flow bottom to top).
-
C
Fan rows (optional "Nx"): 2 — Catalogue: "Fan Row no." (number before x/X).
-
D
Number of fans per row: 5 — Digit 1-9; total fans = fan rows x this digit.
-
E
Fan diameter: 91 — Ø910 mm
-
G
Coil tube rows (2nd dimensional letter): B — 3 tube rows
-
H
Fin spacing: 1 — 2.1 mm
-
I
Generation code: B — generation B
-
J
Fan data (fan motor code): 04 — three-phase 400 V 50 Hz, 6-pole AC fan (in this series)
Data
| Air flow | 257,181 m³/h |
|---|---|
| External surface | 1,801.8 m² |
| Inner volume | 251.0 dm³ |
| Fin material | Aluminium |
| Net weight | 1,813 kg |
| Quantity | 10 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 28,000 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 68.0 dB(A) |
|---|---|
| Sound power | 100.6 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-2x591BB1-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)
- 662.431 kW Fluid flow 114.98 m³/h Pressure drop 37.6 kPa
- Heat rejection · Low speed (Y)
- 535.343 kW Fluid flow 92.92 m³/h Pressure drop 25.5 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 | 368.52 | not rated | not rated | not rated | not rated | not rated |
| 40 | 662.43 | 371.87 | not rated | not rated | not rated | not rated |
| 45 | 950.06 | 664.06 | 374.82 | not rated | not rated | not rated |
| 50 | 1235.74 | 950.23 | 665.55 | 377.44 | not rated | not rated |
| 55 | 1520.46 | 1234.55 | 950.53 | 667.10 | 379.93 | not rated |
| 60 | 1804.66 | 1517.97 | 1233.72 | 951.15 | 668.85 | 382.42 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 300.37 | not rated | not rated | not rated | not rated | not rated |
| 40 | 535.34 | 303.12 | not rated | not rated | not rated | not rated |
| 45 | 764.38 | 536.58 | 305.48 | not rated | not rated | not rated |
| 50 | 991.55 | 764.41 | 537.76 | 307.70 | not rated | not rated |
| 55 | 1217.81 | 990.46 | 764.62 | 539.05 | 309.81 | not rated |
| 60 | 1443.57 | 1215.67 | 989.77 | 765.18 | 540.59 | 311.97 |
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) | 662.431 | 114.98 | 37.6 |
| Low speed (Y) | 535.343 | 92.92 | 25.5 |
Dimensions
| A | 9300 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 8850 mm |
| H | 1750 mm |
| I | 2310 mm |
| K | 9800 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 9800 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.