BC/BD-t-2X650AD5-B09 C
303.23 kW
Dry cooler BC/BD-t-2x291PB1-B04 C
Defrost: None
Product code: BC/BD-t-2x291PB1-B04 C
- Heat rejection i
- 302.98 kW
- Air flow
- 99,542 m³/h
- Fans
- 4 × ⌀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).
-
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: 2 — 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 | 99,542 m³/h |
|---|---|
| External surface | 535.8 m² |
| Inner volume | 93.0 dm³ |
| Fin material | Aluminium |
| Net weight | 710 kg |
| Quantity | 4 |
|---|---|
| Diameter | 910 mm |
| Speed | 840 rpm |
| Power | 11,200 W |
| Supply | 400V/3Ph/50Hz |
| Motor type | AC |
| Poles | 6 |
| Sound pressure | 65.0 dB(A) |
|---|---|
| Sound power | 97.0 dB(A) |
| Energy class | E |
| Inlet | 4" |
|---|---|
| Outlet | 4" |
| BC/BD-t-2x291PB1-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)
- 302.982 kW Fluid flow 52.58 m³/h Pressure drop 50.2 kPa
- Heat rejection · Low speed (Y)
- 238.807 kW Fluid flow 41.44 m³/h Pressure drop 32.9 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 | 171.78 | not rated | not rated | not rated | not rated | not rated |
| 40 | 302.98 | 173.05 | not rated | not rated | not rated | not rated |
| 45 | 430.90 | 303.38 | 174.13 | not rated | not rated | not rated |
| 50 | 557.77 | 430.60 | 303.77 | 175.12 | not rated | not rated |
| 55 | 684.14 | 556.77 | 430.39 | 304.23 | 176.11 | not rated |
| 60 | 810.21 | 682.49 | 556.03 | 430.37 | 304.83 | 177.14 |
Low speed (Y)
| Fluid inlet [°C] \ air [°C] | 25 | 30 | 35 | 40 | 45 | 50 |
|---|---|---|---|---|---|---|
| 35 | 136.79 | not rated | not rated | not rated | not rated | not rated |
| 40 | 238.81 | 137.77 | not rated | not rated | not rated | not rated |
| 45 | 337.86 | 239.06 | 138.63 | not rated | not rated | not rated |
| 50 | 435.91 | 337.52 | 239.33 | 139.45 | not rated | not rated |
| 55 | 533.53 | 435.02 | 337.33 | 239.72 | 140.27 | not rated |
| 60 | 630.89 | 532.12 | 434.38 | 337.31 | 240.26 | 141.16 |
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) | 302.982 | 52.58 | 50.2 |
| Low speed (Y) | 238.807 | 41.44 | 32.9 |
Dimensions
| A | 3850 mm |
|---|---|
| B | 1450 mm |
| C | 2310 mm |
| F | 1150 mm |
| G | 550 mm |
| E | 3600 mm |
| H | 1750 mm |
| I | 2260 mm |
| K | 4150 mm |
| D IN | 4" |
| D OUT | 4" |
| Length | 4150 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.