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Blast freezer EK-SR-291BE7-A04 C

Blast freezer EK-SR-291BE7-A04 C
Illustrative photo

Producer: Karyer · Line: EK-SR (Blast Freezers)

Product code: EK-SR-291BE7-A04 C

Cooling capacity i
68.05 kW
Air flow
50,381 m³/h
Fin spacing
7.0 mm
Fans
2 × ⌀910 mm

Nominal conditions: refrigerant R404A, evaporation (dew point) −8 °C, inlet air 0 °C, humidity 85 %

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Data

Evaporator
Air flow 50,381 m³/h
External surface 263.6 m²
Inner volume 80.3 dm³
Fin spacing 7.0 mm
Fin materialAluminium
Net weight 734 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 70.0 dB(A)
Sound power 93.9 dB(A)
Energy class D
Connections
Inlet Ø42
Outlet Ø66,7
Defrost
EK-SR-291BE7-A04 C None

Performance

TD (air − evaporating) must be within 4–10 K; air inlet −40…+20 °C.

R404A, dew point -8 °C, air inlet 0 °C (TD 8 K)

High speed (Δ)
68.052 kW
Low speed (Y)
55.121 kW

Capacity matrix [kW]

R404A, Dew point; rows: TD = air inlet − evaporating temperature, columns: air inlet temperature. The highlighted cell is the nominal point (SC2). "—": not rated by the manufacturer.

High speed (Δ)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 28.88 28.44 28.15 27.98 27.69 27.33 26.94 27.30 28.85 31.11 30.25 29.94 29.50 28.84
5 33.86 33.75 33.72 37.45 37.14 36.71 36.15 36.47 38.65 41.69 40.49 40.08 39.50 38.63
6 41.44 41.91 42.31 47.38 47.31 46.91 46.27 46.49 49.22 53.00 51.31 50.71 49.86 48.58
7 48.64 49.62 50.67 57.24 57.57 57.40 56.83 57.06 60.38 65.10 62.93 62.10 60.92 59.07
8 54.64 56.49 58.19 66.33 67.32 67.77 67.75 68.05 72.03 77.76 75.20 74.19 72.71 70.33
9 67.03 69.94 72.58 74.88 76.30 77.04 77.18 77.86 82.58 89.50 87.10 86.14 84.70 82.05
10 72.90 76.79 80.27 83.28 85.23 86.32 86.68 87.45 92.76 100.53 97.89 96.78 95.12 92.37

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 24.49 24.03 23.78 23.67 23.44 23.18 22.87 23.46 24.92 26.92 26.28 26.04 25.70 25.20
5 28.58 28.23 28.13 31.21 30.95 30.59 30.12 30.64 32.55 35.20 34.27 33.95 33.51 32.86
6 35.04 35.05 35.18 39.22 38.98 38.58 37.99 38.38 40.71 43.94 42.55 42.06 41.34 40.36
7 41.30 41.78 42.27 47.41 47.36 47.01 46.35 46.60 49.31 53.20 51.32 50.63 49.64 48.10
8 47.28 48.36 49.14 55.48 55.73 55.54 54.91 55.12 58.29 62.89 60.60 59.72 58.41 56.32
9 58.34 60.15 61.82 63.31 64.11 64.23 63.71 63.91 67.57 72.92 70.33 69.26 67.68 65.09
10 63.75 66.26 68.52 70.51 71.56 72.06 71.98 72.54 76.85 83.12 80.27 79.03 77.19

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 97.89280.266
SC2 0 8 68.05255.121
SC3 -18 7 57.43947.413
SC4 -25 6 42.31435.180
SC5 -34 6 41.59935.091

Dimensions

Dimension drawing of EK-SR-291BE7-A04 C
Dimension drawing
Dimensions as drawn
A 3060 mm
B 1360 mm
C 2790 mm
F 1310 mm
G 1770 mm
E 2665 mm
H 1393 mm
I 3090 mm
D IN 1 x Ø42
D OUT 1 x Ø66,7
Overall [mm]
Length 3060 mm
Width 1393 mm
Height 2790 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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