BC/BD-2x291EC5-B04 C
251.40 kW
Dry cooler BC/BD-t-763AB1-B19 C
Defrost: None
Product code: BC/BD-t-763AB1-B19 C
- Heat rejection i
- 251.45 kW
- Air flow
- 79,635 m³/h
- Fans
- 7 × ⌀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)
-
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: 1 — 2.1 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 | 79,635 m³/h |
|---|---|
| External surface | 488.5 m² |
| Inner volume | 69.0 dm³ |
| Fin material | Aluminium |
| Net weight | 630 kg |
| Quantity | 7 |
|---|---|
| Diameter | 630 mm |
| Speed | 1,330 rpm |
| Power | 8,800 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 4 |
| Sound pressure | 59.0 dB(A) |
|---|---|
| Sound power | 91.5 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-t-763AB1-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)
- 251.454 kW Fluid flow 43.64 m³/h Pressure drop 31.2 kPa
- Heat rejection · Low speed (Y)
- 212.007 kW Fluid flow 36.79 m³/h Pressure drop 23.0 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 | 141.78 | not rated | not rated | not rated | not rated | not rated |
| 40 | 251.45 | 142.91 | not rated | not rated | not rated | not rated |
| 45 | 358.08 | 251.69 | 143.86 | not rated | not rated | not rated |
| 50 | 463.71 | 357.56 | 251.90 | 144.72 | not rated | not rated |
| 55 | 568.87 | 462.49 | 357.14 | 252.17 | 145.57 | not rated |
| 60 | 673.75 | 566.99 | 461.51 | 356.93 | 252.57 | 146.43 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 120.40 | not rated | not rated | not rated | not rated | not rated |
| 40 | 212.01 | 121.34 | not rated | not rated | not rated | not rated |
| 45 | 300.74 | 212.12 | 122.13 | not rated | not rated | not rated |
| 50 | 388.50 | 300.19 | 212.23 | 122.85 | not rated | not rated |
| 55 | 475.85 | 387.34 | 299.73 | 212.43 | 123.56 | not rated |
| 60 | 562.95 | 474.12 | 386.40 | 299.49 | 212.75 | 124.31 |
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) | 251.454 | 43.64 | 31.2 |
| Low speed (Y) | 212.007 | 36.79 | 23.0 |
Dimensions
| A | 6750 mm |
|---|---|
| B | 1220 mm |
| C | 1230 mm |
| F | 1050 mm |
| G | 450 mm |
| E | 6400 mm |
| H | 900 mm |
| I | 1180 mm |
| K | 7100 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 6750 mm |
|---|---|
| Width | 1230 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.