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Blast freezer EK-SR-291DG7-A04 C

Blast freezer EK-SR-291DG7-A04 C
Illustrative photo

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

Product code: EK-SR-291DG7-A04 C

Cooling capacity i
105.88 kW
Air flow
55,257 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 55,257 m³/h
External surface 527.3 m²
Inner volume 157.3 dm³
Fin spacing 7.0 mm
Fin materialAluminium
Net weight 985 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 69.0 dB(A)
Sound power 93.0 dB(A)
Energy class C
Connections
Inlet Ø35
Outlet Ø54
Defrost
EK-SR-291DG7-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)
105.884 kW
Low speed (Y)
85.138 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 45.47 45.54 45.72 45.93 45.84 45.55 45.12 45.61 48.43 52.38 51.11 50.66 50.05 48.96
5 51.86 52.63 53.34 59.97 60.06 59.87 59.39 59.77 63.37 68.48 66.56 65.86 64.89 63.42
6 62.04 63.84 65.43 74.16 74.61 74.73 74.36 74.72 79.11 85.50 83.00 82.04 80.65 78.45
7 71.51 74.13 76.77 87.81 89.25 89.85 89.76 90.22 95.58 103.37 100.36 99.16 97.38 94.47
8 79.48 83.51 ≈ 87.20 ≈ 100.48 102.85 104.27 104.90 105.88 112.36 121.64 118.23 116.82 114.71 111.12
9 96.59 102.50 107.87 112.56 115.77 117.71 118.72 119.98 127.37 138.18 134.99 133.60 131.45 127.78
10 104.18 111.59 118.37 124.31 128.40 131.08 132.54 134.13 142.44 154.56 151.12 149.56 147.12 142.91

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 38.29 38.07 38.05 38.15 38.06 37.82 37.47 38.04 40.43 43.79 42.80 42.46 41.99 41.32
5 43.68 43.70 44.01 49.29 49.32 49.09 48.63 49.09 52.06 56.33 54.78 54.23 53.44 52.26
6 52.47 53.24 54.00 60.80 61.07 60.87 60.39 60.74 64.35 69.57 67.47 66.68 65.52 63.69
7 60.84 62.39 63.83 72.31 72.96 73.02 72.59 72.76 77.03 83.29 80.68 79.65 78.13 75.63
8 68.68 71.19 73.12 83.39 84.59 84.98 84.75 85.14 90.13 97.40 94.42 93.15 91.28 88.20
9 84.35 87.76 91.19 94.24 96.14 97.09 97.11 97.66 103.41 111.76 108.45 107.00 104.82 101.15
10 91.11 95.98 100.42 104.31 106.81 108.29 108.85 109.84 116.48 126.13 122.65 121.02 118.55 114.33

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 151.117122.651
SC2 0 8 105.88485.138
SC3 -18 7 88.49472.647
SC4 -25 6 65.42554.003
SC5 -34 6 62.51952.702

Dimensions

Dimension drawing of EK-SR-291DG7-A04 C
Dimension drawing
Dimensions as drawn
A 3060 mm
B 1360 mm
C 3390 mm
F 1310 mm
G 2370 mm
E 2665 mm
H 1393 mm
I 3090 mm
D IN 2 x Ø35
D OUT 2 x Ø54
Overall [mm]
Length 3060 mm
Width 1393 mm
Height 3390 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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