BC/BD-2x591BC1-B04 C
757.55 kW
Dry cooler BC/BD-2x491HC1-B04 C
Defrost: None
Product code: BC/BD-2x491HC1-B04 C
- Heat rejection i
- 757.94 kW
- Air flow
- 206,409 m³/h
- Fans
- 8 × ⌀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: 4 — Digit 1-9; total fans = fan rows x this digit.
-
E
Fan diameter: 91 — Ø910 mm
-
G
Coil tube rows (2nd dimensional letter): C — 4 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 | 206,409 m³/h |
|---|---|
| External surface | 2,501.9 m² |
| Inner volume | 519.6 dm³ |
| Fin material | Aluminium |
| Net weight | 2,010 kg |
| Quantity | 8 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 22,400 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 67.0 dB(A) |
|---|---|
| Sound power | 99.6 dB(A) |
| Energy class | E |
| Inlet | 6" |
|---|---|
| Outlet | 6" |
| BC/BD-2x491HC1-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)
- 757.938 kW Fluid flow 131.56 m³/h Pressure drop 60.0 kPa
- Heat rejection · Low speed (Y)
- 584.651 kW Fluid flow 101.40 m³/h Pressure drop 37.8 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 | 449.04 | not rated | not rated | not rated | not rated | not rated |
| 40 | 757.94 | 449.60 | not rated | not rated | not rated | not rated |
| 45 | 1058.61 | 756.10 | 450.12 | not rated | not rated | not rated |
| 50 | 1356.67 | 1054.79 | 754.69 | 450.78 | not rated | not rated |
| 55 | 1653.46 | 1350.85 | 1051.64 | 753.83 | 451.65 | not rated |
| 60 | 1949.53 | 1645.68 | 1346.01 | 1049.42 | 753.67 | 452.96 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 350.11 | not rated | not rated | not rated | not rated | not rated |
| 40 | 584.65 | 350.52 | not rated | not rated | not rated | not rated |
| 45 | 812.47 | 583.24 | 350.93 | not rated | not rated | not rated |
| 50 | 1038.02 | 809.46 | 582.14 | 351.35 | not rated | not rated |
| 55 | 1262.50 | 1033.48 | 807.05 | 581.54 | 352.14 | not rated |
| 60 | 1486.39 | 1256.49 | 1029.82 | 805.45 | 581.59 | 353.32 |
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) | 757.938 | 131.56 | 60.0 |
| Low speed (Y) | 584.651 | 101.40 | 37.8 |
Dimensions
| A | 10150 mm |
|---|---|
| B | 1450 mm |
| C | 2360 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 9700 mm |
| H | 2400 mm |
| I | 2310 mm |
| K | 10650 mm |
| D IN | 6" |
| D OUT | 6" |
| Length | 10650 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.