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Oil cooler OA/OB-250AC1-A09 C

Oil cooler OA/OB-250AC1-A09 C
Illustrative photo

Producer: Karyer · Line: OA/OB (Oil Coolers)

Product code: OA/OB-250AC1-A09 C

Heat rejection i
25.93 kW
Air flow
13,989 m³/h
Fans
2 × ⌀500 mm

Nominal conditions: oil 80 → 60 °C, air inlet 32 °C, relative humidity 50 %

Data

Coil
Air flow 13,989 m³/h
External surface 120.7 m²
Inner volume 13.7 dm³
Fin materialAluminium
Net weight 170 kg
Fans
Quantity 2
Diameter 500 mm
Speed 1,330 rpm
Power 1,400 W
Supply 230V/1Ph/50Hz
Motor type AC
Poles 4
Acoustic
Sound pressure 50.0 dB(A)
Sound power 81.3 dB(A)
Energy class E
Connections
Inlet Ø42
Outlet Ø42
Defrost
OA/OB-250AC1-A09 C None

Performance

Outlet 60 °C

Fluid inlet 60–90 °C (outlet = inlet − 20 K, at least 5 K above the air inlet); air inlet 25…50 °C.

B100 80 → 60 °C, air inlet 32 °C

Heat rejection · Single phase
25.926 kW Fluid flow 2.72 m³/h Pressure drop 26.0 kPa

Heat rejection [kW]: Air inlet × fluid inlet (range 20 K)

B100; rows: fluid inlet [°C], outlet = inlet − 20 K; columns: air inlet temperature. The highlighted cell is the nominal point. "—": not rated by the manufacturer.

Single phase

Heat rejection [kW]: Air inlet × fluid inlet (range 20 K)
Fluid inlet [°C] \ air [°C] 253035404550
60 14.02 9.86 5.96 not rated not rated not rated
70 23.04 18.39 13.99 9.83 5.94 not rated
80 33.00 27.91 23.03 18.38 13.97 9.82
90 43.81 38.31 33.01 27.91 23.03 18.38

Nominal rating

Nominal conditions: oil 80 → 60 °C, air inlet 32 °C, relative humidity 50 %

Fan connection Heat rejection [kW] Fluid flow [m³/h] Pressure drop [kPa]
Single phase 25.926 2.72 26.0

Dimensions

Dimension drawing of OA/OB-250AC1-A09 C
Dimension drawing
Dimensions as drawn
A 1890 mm
B 1660 mm
C 850 mm
E1 900 mm
E 1630 mm
D 280 mm
D1 320 mm
D2 420 mm
D3 1020 mm
D IN Ø42
D OUT Ø42
Overall [mm]
Length 1890 mm
Width 900 mm
Height 1020 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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