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Dry cooler BC/BD-291GB1-B04 C

Dry cooler BC/BD-291GB1-B04 C
Illustrative photo

Producer: Karyer · Line: BC/BD (General)

Product code: BC/BD-291GB1-B04 C

Heat rejection i
156.91 kW
Air flow
55,146 m³/h
Fans
2 × ⌀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).
  • 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

Coil
Air flow 55,146 m³/h
External surface 494.2 m²
Inner volume 61.1 dm³
Fin materialAluminium
Net weight 515 kg
Fans
Quantity 2
Diameter 910 mm
Speed 840 rpm
Power 5,600 W
Supply 400V/3Ph/50Hz
Motor type AC
Poles 6
Acoustic
Sound pressure 61.0 dB(A)
Sound power 93.0 dB(A)
Energy class E
Connections
Inlet 2 1/2"
Outlet 2 1/2"
Defrost
BC/BD-291GB1-B04 C None

Performance

Outlet 35 °C

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)
156.906 kW Fluid flow 27.23 m³/h Pressure drop 35.3 kPa
Heat rejection · Low speed (Y)
127.400 kW Fluid flow 22.11 m³/h Pressure drop 24.3 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.

High speed (Δ)

Heat rejection [kW]: Air inlet × fluid inlet (range 5 K)
Fluid inlet [°C] \ air [°C] 253035404550
35 88.60 not rated not rated not rated not rated not rated
40 156.91 89.18 not rated not rated not rated not rated
45 223.64 157.01 89.68 not rated not rated not rated
50 289.86 223.32 157.09 90.12 not rated not rated
55 355.85 289.14 223.04 157.20 90.54 not rated
60 421.69 354.73 288.52 222.86 157.39 90.99

Low speed (Y)

Heat rejection [kW]: Air inlet × fluid inlet (range 5 K)
Fluid inlet [°C] \ air [°C] 253035404550
35 72.52 not rated not rated not rated not rated not rated
40 127.40 72.99 not rated not rated not rated not rated
45 180.81 127.44 73.38 not rated not rated not rated
50 233.74 180.47 127.47 73.74 not rated not rated
55 286.44 233.06 180.20 127.53 74.09 not rated
60 339.03 285.45 232.50 180.03 127.67 74.47

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) 156.906 27.23 35.3
Low speed (Y) 127.400 22.11 24.3

Dimensions

Dimension drawing of BC/BD-291GB1-B04 C
Dimension drawing
Dimensions as drawn
A 5150 mm
B 1450 mm
C 1240 mm
F 1150 mm
G 550 mm
E 4900 mm
H 2400 mm
I 1190 mm
K 5450 mm
D IN 2 1/2"
D OUT 2 1/2"
Overall [mm]
Length 5450 mm
Width 1240 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.

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