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Dry cooler BE-491FC1-B04 C

Dry cooler BE-491FC1-B04 C
Illustrative photo

Producer: Karyer · Line: BE (Dry)

Product code: BE-491FC1-B04 C

Heat rejection i
495.84 kW
Air flow
117,818 m³/h
Fans
4 × ⌀910 mm

Nominal conditions: water 40 → 35 °C, air inlet 25 °C, relative humidity 50 %

Data

Coil
Air flow 117,818 m³/h
External surface 2,859.4 m²
Inner volume 522.5 dm³
Fin materialAluminium
Net weight 2,005 kg
Fans
Quantity 4
Diameter 910 mm
Speed 840 rpm
Power 11,200 W
Supply 400V/3Ph/50Hz
Motor type AC
Poles 6
Acoustic
Sound pressure 63.0 dB(A)
Sound power 96.0 dB(A)
Energy class D
Connections
Inlet 3"
Outlet 3"
Defrost
BE-491FC1-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)
495.838 kW Fluid flow 85.98 m³/h Pressure drop 30.1 kPa
Heat rejection · Low speed (Y)
384.910 kW Fluid flow 66.76 m³/h Pressure drop 19.0 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.

High speed (Δ)

Heat rejection [kW]: Air inlet × fluid inlet (range 5 K)
Fluid inlet [°C] \ air [°C] 253035404550
35 300.42 not rated not rated not rated not rated not rated
40 495.84 299.81 not rated not rated not rated not rated
45 685.10 493.00 299.21 not rated not rated not rated
50 872.29 680.25 490.46 298.75 not rated not rated
55 1058.52 865.54 675.99 488.39 298.52 not rated
60 1244.22 1049.91 859.62 672.49 486.93 298.65

Low speed (Y)

Heat rejection [kW]: Air inlet × fluid inlet (range 5 K)
Fluid inlet [°C] \ air [°C] 253035404550
35 235.38 not rated not rated not rated not rated not rated
40 384.91 234.77 not rated not rated not rated not rated
45 529.35 382.45 234.19 not rated not rated not rated
50 672.13 525.29 380.28 233.73 not rated not rated
55 814.14 666.54 521.73 378.50 233.48 not rated
60 955.74 807.08 661.67 518.81 377.25 233.54

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) 495.838 85.98 30.1
Low speed (Y) 384.910 66.76 19.0

Dimensions

Dimension drawing of BE-491FC1-B04 C
Dimension drawing
Dimensions as drawn
A 1958 mm
B 1210 mm
C 10060 mm
F 1050 mm
G 10660 mm
E1 2430 mm
E2 2400 mm
D IN 3"
D OUT 3"
Overall [mm]
Length 10660 mm
Width 1210 mm
Height 1958 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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