BC/BD-2x491KC5-B04 C
456.22 kW
Dry cooler BC/BD-t-2X763AB5-B19 C
Defrost: None
Product code: BC/BD-t-2X763AB5-B19 C
- Heat rejection i
- 456.18 kW
- Air flow
- 161,138 m³/h
- Fans
- 14 × ⌀630 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).
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B
Fin type (optional "t"): t — t: louvered fins (high-efficiency fin surface)
-
C
Fan rows (optional "Nx"): 2 — Catalogue: "Fan Row no." (number before x/X).
-
D
Number of fans per row: 7 — Digit 1-9; total fans = fan rows x this digit.
-
E
Fan diameter: 63 — Ø630 mm
-
G
Coil tube rows (2nd dimensional letter): B — 3 tube rows
-
H
Fin spacing: 5 — 2.5 mm
-
I
Generation code: B — generation B
-
J
Fan data (fan motor code): 19 — three-phase 400 V 50 Hz, 4-pole AC fan (in this series)
Data
| Air flow | 161,138 m³/h |
|---|---|
| External surface | 817.0 m² |
| Inner volume | 155.8 dm³ |
| Fin material | Aluminium |
| Net weight | 1,046 kg |
| Quantity | 14 |
|---|---|
| Diameter | 630 mm |
| Speed | 1,330 rpm |
| Power | 17,500 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 4 |
| Sound pressure | 63.0 dB(A) |
|---|---|
| Sound power | 95.0 dB(A) |
| Energy class | E |
| Inlet | 5" |
|---|---|
| Outlet | 5" |
| BC/BD-t-2X763AB5-B19 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)
- 456.178 kW Fluid flow 79.17 m³/h Pressure drop 28.5 kPa
- Heat rejection · Low speed (Y)
- 388.273 kW Fluid flow 67.39 m³/h Pressure drop 21.3 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 | 255.22 | not rated | not rated | not rated | not rated | not rated |
| 40 | 456.18 | 257.46 | not rated | not rated | not rated | not rated |
| 45 | 652.09 | 456.92 | 259.36 | not rated | not rated | not rated |
| 50 | 846.35 | 651.62 | 457.62 | 261.09 | not rated | not rated |
| 55 | 1039.91 | 844.76 | 651.28 | 458.34 | 262.66 | not rated |
| 60 | 1233.02 | 1037.25 | 843.51 | 651.20 | 459.25 | 264.29 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 218.47 | not rated | not rated | not rated | not rated | not rated |
| 40 | 388.27 | 220.40 | not rated | not rated | not rated | not rated |
| 45 | 553.17 | 388.78 | 222.02 | not rated | not rated | not rated |
| 50 | 716.54 | 552.61 | 389.26 | 223.47 | not rated | not rated |
| 55 | 879.20 | 714.96 | 552.17 | 389.83 | 224.85 | not rated |
| 60 | 1041.44 | 876.66 | 713.71 | 552.02 | 390.58 | 226.29 |
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) | 456.178 | 79.17 | 28.5 |
| Low speed (Y) | 388.273 | 67.39 | 21.3 |
Dimensions
| A | 6750 mm |
|---|---|
| B | 1220 mm |
| C | 2310 mm |
| F | 1050 mm |
| G | 450 mm |
| E | 6400 mm |
| H | 900 mm |
| I | 2260 mm |
| K | 7100 mm |
| D IN | 5" |
| D OUT | 5" |
| Length | 6750 mm |
|---|---|
| Width | 2310 mm |
| Height | 1220 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.