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Blast freezer EK-SR-391BC7-A04 C

Blast freezer EK-SR-391BC7-A04 C
Illustrative photo

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

Product code: EK-SR-391BC7-A04 C

Cooling capacity i
72.07 kW
Air flow
83,682 m³/h
Fin spacing
7.0 mm
Fans
3 × ⌀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 83,682 m³/h
External surface 263.6 m²
Inner volume 80.3 dm³
Fin spacing 7.0 mm
Fin materialAluminium
Net weight 895 kg
Fans
Quantity 3
Diameter 910 mm
Speed 840 rpm
Power 8,400 W
Supply 400V/3Ph/50Hz
Motor type AC
Poles 6
Acoustic
Sound pressure 70.0 dB(A)
Sound power 95.0 dB(A)
Energy class E
Connections
Inlet Ø42
Outlet Ø66,7
Defrost
EK-SR-391BC7-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)
72.074 kW
Low speed (Y)
61.164 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 29.85 29.31 28.94 28.68 28.32 27.91 27.50 27.57 29.10 31.34 30.43 30.09 29.62 28.93
5 35.33 35.18 35.09 38.90 38.51 38.02 37.44 37.58 39.75 42.76 41.41 40.91 40.21 39.14
6 43.50 44.01 44.43 49.72 49.49 49.08 48.46 48.52 51.33 55.27 53.50 52.86 51.97 50.61
7 50.88 52.14 53.34 60.46 60.83 60.71 60.20 60.30 63.80 68.73 66.48 65.65 64.44 62.56
8 57.30 59.30 61.12 69.71 70.80 71.36 71.51 72.07 76.47 82.85 80.33 79.34 77.88 75.56
9 70.33 73.50 76.35 78.84 80.41 81.31 81.67 82.35 87.39 94.73 92.46 91.56 90.23 88.06
10 76.51 80.74 84.52 87.79 89.96 91.26 91.89 92.74 98.45 106.78 104.28 103.26 101.74 99.24

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 26.16 25.61 25.27 25.07 24.81 24.51 24.20 24.45 25.84 27.89 27.16 26.89 26.52 25.97
5 30.85 30.51 30.27 33.53 33.24 32.85 32.38 32.63 34.58 37.31 36.29 35.94 35.38 34.55
6 38.05 38.12 38.23 42.60 42.41 41.97 41.41 41.59 44.03 47.46 46.00 45.48 44.76 43.68
7 45.01 45.65 46.23 51.76 51.85 51.57 51.01 51.15 54.12 58.32 56.43 55.74 54.74 53.21
8 51.25 52.52 53.75 60.99 61.49 61.46 61.01 61.16 64.71 69.81 67.54 66.67 65.40 63.38
9 63.15 65.28 67.25 69.01 70.08 70.62 70.72 71.27 75.60 81.71 79.15 78.13 76.62 74.20
10 68.98 71.92 74.59 76.94 78.42 79.24 79.50 80.13 85.00 92.15 89.82 88.87 87.46 85.14

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 104.27789.820
SC2 0 8 72.07461.164
SC3 -18 7 60.67651.847
SC4 -25 6 44.42738.227
SC5 -34 6 43.67638.120

Dimensions

Dimension drawing of EK-SR-391BC7-A04 C
Dimension drawing
Dimensions as drawn
A 4360 mm
B 1360 mm
C 2790 mm
F 1310 mm
G 1770 mm
E 3965 mm
H 1393 mm
I 4390 mm
D IN 1 x Ø42
D OUT 1 x Ø66,7
Overall [mm]
Length 4360 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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