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Blast freezer EK-SR-291DG4-A04 C

Blast freezer EK-SR-291DG4-A04 C
Illustrative photo

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

Product code: EK-SR-291DG4-A04 C

Cooling capacity i
121.31 kW
Air flow
52,325 m³/h
Fin spacing
4.6 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 52,325 m³/h
External surface 781.9 m²
Inner volume 157.3 dm³
Fin spacing 4.6 mm
Fin materialAluminium
Net weight 1,033 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 93.4 dB(A)
Energy class D
Connections
Inlet Ø35
Outlet Ø54
Defrost
EK-SR-291DG4-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)
121.310 kW
Low speed (Y)
96.261 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 52.76 53.53 54.26 54.82 55.05 54.93 54.54 55.43 58.93 63.86 62.41 61.91 61.20 60.18
5 58.92 60.69 62.25 70.61 71.27 71.32 70.75 71.49 75.88 82.17 79.96 79.15 77.99 76.22
6 69.54 72.23 74.96 85.85 87.30 87.86 87.66 88.43 93.76 101.51 98.57 97.42 95.70 92.99
7 78.50 82.81 ≈ 86.72 ≈ 100.13 102.60 104.00 104.50 105.68 112.20 121.55 118.00 116.56 114.40 110.83
8 86.75 92.49 ≈ 97.71 ≈ 113.59 117.02 119.01 119.89 121.31 128.78 139.71 136.26 134.76 132.49 128.61
9 ≈ 104.74 112.81 120.20 126.66 131.18 133.93 135.31 137.02 145.48 157.81 154.02 152.29 149.65 145.02
10 ≈ 112.28 122.09 131.22 139.24 144.92 148.67 150.65 152.77 162.25 176.03 171.95 170.02 167.02 161.67

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 43.46 43.65 43.99 44.40 44.50 44.37 44.02 44.86 47.74 51.80 50.67 50.28 49.75 48.99
5 48.87 49.58 50.31 56.67 56.89 56.81 56.35 57.07 60.57 65.64 63.86 63.20 62.25 60.79
6 58.02 59.55 60.95 69.08 69.71 69.77 69.27 69.85 73.95 80.05 77.55 76.55 75.06 72.64
7 66.61 69.14 71.06 81.10 82.29 82.69 82.29 82.91 87.79 94.92 91.74 90.43 88.37 85.14
8 74.56 77.72 80.89 92.99 94.95 95.74 95.58 96.26 101.88 110.05 106.42 104.82 102.30 98.24
9 90.21 95.29 99.92 103.94 106.58 107.98 108.36 109.37 115.88 125.31 121.34 119.33 116.51 111.68
10 97.30 103.71 109.55 114.61 117.97 119.95 120.66 121.82 129.06 139.52 135.51 133.46 130.53 125.35

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 171.946135.510
SC2 0 8 121.31096.261
SC3 -18 7 101.25981.679
SC4 -25 6 74.96460.948
SC5 -34 6 70.30458.429

Dimensions

Dimension drawing of EK-SR-291DG4-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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