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Blast freezer EK-SR-491BC4-A04 C

Blast freezer EK-SR-491BC4-A04 C
Illustrative photo

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

Product code: EK-SR-491BC4-A04 C

Cooling capacity i
112.68 kW
Air flow
105,814 m³/h
Fin spacing
4.6 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 105,814 m³/h
External surface 521.3 m²
Inner volume 105.1 dm³
Fin spacing 4.6 mm
Fin materialAluminium
Net weight 1,144 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 96.3 dB(A)
Energy class E
Connections
Inlet Ø42
Outlet Ø66,7
Defrost
EK-SR-491BC4-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)
112.678 kW
Low speed (Y)
96.924 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 45.69 47.25 48.48 49.11 49.44 49.33 48.93 49.63 52.43 56.56 54.99 54.39 53.55 52.26
5 50.66 53.26 ≈ 55.57 ≈ 63.95 65.34 66.12 66.26 67.23 71.38 77.20 75.18 74.44 73.38 71.76
6 58.62 62.54 66.06 ≈ 76.74 78.99 80.34 81.00 82.41 87.69 95.25 93.34 92.60 91.52 89.78
7 ≈ 65.80 71.16 ≈ 76.04 ≈ 89.19 92.49 94.61 95.76 97.47 103.72 112.75 110.49 109.58 108.22 106.00
8 ≈ 72.23 79.08 ≈ 85.44 ≈ 101.16 105.71 108.77 110.57 112.68 119.96 130.53 127.99 126.93 125.32 122.60
9 ≈ 86.94 95.89 104.69 112.58 118.52 122.68 125.30 127.94 136.29 148.48 145.75 144.56 142.71 139.54
10 ≈ 48.82 ≈ 103.15 113.76 123.40 130.88 136.30 139.87 143.16 152.62 166.50 163.66 162.36 160.32 156.73

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 40.35 41.16 41.81 42.33 42.43 42.19 41.82 42.62 45.23 48.86 47.64 47.18 46.52 45.50
5 45.52 47.05 48.58 55.35 56.00 56.10 55.78 56.59 60.11 65.04 63.36 62.76 61.93 60.69
6 53.18 55.96 58.46 ≈ 67.35 68.89 69.75 70.05 71.20 75.72 82.23 80.06 79.23 78.00 76.10
7 60.03 63.97 ≈ 67.52 ≈ 78.42 80.71 82.07 82.66 83.98 89.29 96.99 94.85 94.01 92.75 90.67
8 66.25 71.44 ≈ 76.17 ≈ 89.19 92.37 94.38 95.37 96.92 103.06 112.01 109.51 108.45 106.83 104.15
9 ≈ 79.83 87.05 93.71 99.57 103.79 106.58 108.10 109.96 116.96 127.23 124.32 123.06 121.15 117.83
10 ≈ 85.38 94.08 102.25 109.52 114.91 118.59 120.77 123.01 130.91 142.44 139.30 137.87 135.68 131.83

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 163.662139.299
SC2 0 8 112.67896.924
SC3 -18 7 90.66879.461
SC4 -25 6 66.05558.463
SC5 -34 6 59.53553.835

Dimensions

Dimension drawing of EK-SR-491BC4-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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