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Blast freezer EK-SR-491BC7-A04 C

Blast freezer EK-SR-491BC7-A04 C
Illustrative photo

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

Product code: EK-SR-491BC7-A04 C

Cooling capacity i
88.25 kW
Air flow
111,552 m³/h
Fin spacing
7.0 mm
Fans
4 × ⌀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 111,552 m³/h
External surface 351.5 m²
Inner volume 105.1 dm³
Fin spacing 7.0 mm
Fin materialAluminium
Net weight 1,109 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 71.0 dB(A)
Sound power 96.0 dB(A)
Energy class E
Connections
Inlet Ø42
Outlet Ø66,7
Defrost
EK-SR-491BC7-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)
88.253 kW
Low speed (Y)
76.795 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.

≈ 1.23 estimate — vendor data irregular here

High speed (Δ)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 36.20 36.40 36.55 36.56 36.37 35.98 35.50 35.66 37.63 40.49 39.24 38.78 38.12 37.13
5 41.61 42.71 43.60 49.17 49.16 48.96 48.48 48.79 51.70 55.74 54.06 53.41 52.47 51.03
6 49.66 51.73 53.58 61.34 62.38 62.65 62.43 62.89 66.67 71.97 69.85 69.06 67.92 66.15
7 56.47 59.54 ≈ 62.29 ≈ 71.86 73.60 74.64 75.14 76.08 80.85 87.73 85.82 85.07 83.97 82.00
8 62.69 66.87 ≈ 70.65 ≈ 82.14 84.64 86.23 87.10 88.25 93.81 101.87 99.73 98.86 97.56 95.42
9 ≈ 75.94 81.91 87.36 92.12 95.49 97.74 99.06 100.53 106.91 116.21 113.86 112.89 111.41 108.93
10 ≈ 81.59 88.95 101.71 106.10 109.12 111.00 112.83 120.07 130.65 128.16 127.08 125.45 122.65

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 32.00 31.81 31.81 31.84 31.65 31.34 30.95 31.31 33.08 35.66 34.67 34.30 33.78 33.00
5 36.89 37.42 37.87 42.47 42.47 42.15 41.68 42.07 44.60 48.14 46.79 46.32 45.65 44.54
6 44.56 45.94 46.88 53.14 53.59 53.57 53.18 53.60 56.81 61.33 59.49 58.83 57.89 56.44
7 51.24 53.40 55.36 63.44 64.64 65.31 65.16 65.69 69.63 75.27 73.08 72.24 70.99 69.02
8 57.16 60.21 ≈ 62.97 ≈ 72.63 74.38 75.41 75.87 76.80 81.58 88.54 86.51 85.71 84.50 82.37
9 69.56 74.03 78.08 81.60 84.02 85.50 86.26 87.37 92.83 100.81 98.54 97.60 96.20 93.86
10 75.08 80.72 90.34 93.49 95.53 96.66 97.99 104.15 113.19 110.71 109.66 108.07 105.38

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 128.155110.709
SC2 0 8 88.25376.795
SC3 -18 7 72.65263.995
SC4 -25 6 53.58146.878
SC5 -34 6 50.18044.924

Dimensions

Dimension drawing of EK-SR-491BC7-A04 C
Dimension drawing
Dimensions as drawn
A 5660 mm
B 1360 mm
C 2790 mm
F 1310 mm
G 1770 mm
E 5265 mm
H 1393 mm
I 5690 mm
D IN 1 x Ø42
D OUT 1 x Ø66,7
Overall [mm]
Length 5660 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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