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Blast freezer EK-SR-291DG4-A03 C

Blast freezer EK-SR-291DG4-A03 C
Illustrative photo

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

Product code: EK-SR-291DG4-A03 C

Cooling capacity i
129.55 kW
Air flow
58,992 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 58,992 m³/h
External surface 781.9 m²
Inner volume 157.3 dm³
Fin spacing 4.6 mm
Fin materialAluminium
Net weight 1,053 kg
Fans
Quantity 2
Diameter 910 mm
Speed 1,210 rpm
Power 10,400 W
Supply 400V/3Ph/50Hz
Motor type AC
Poles 4
Acoustic
Sound pressure 68.0 dB(A)
Sound power 92.0 dB(A)
Energy class E
Connections
Inlet Ø35
Outlet Ø54
Defrost
EK-SR-291DG4-A03 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)
129.552 kW
Low speed (Y)
101.847 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 55.59 56.59 57.48 58.26 58.43 58.33 57.95 58.70 62.34 67.51 65.95 65.40 64.63 63.49
5 62.04 64.23 66.12 74.82 75.71 75.93 75.62 76.34 80.98 87.61 85.29 84.43 83.21 81.34
6 73.13 76.30 79.46 ≈ 91.39 93.27 94.08 94.08 94.87 100.61 108.93 105.90 104.72 102.97 100.15
7 82.09 87.03 ≈ 91.51 ≈ 106.00 108.91 110.64 111.43 112.73 119.72 129.98 126.92 125.67 123.71 120.09
8 90.56 97.06 ≈ 102.99 ≈ 120.21 124.22 126.72 127.95 129.55 137.60 149.40 145.93 144.46 142.20 138.39
9 ≈ 109.13 118.21 126.58 133.94 139.20 142.58 144.46 146.45 155.60 168.96 165.19 163.50 160.90 156.43
10 ≈ 116.78 127.76 138.00 147.10 153.74 158.25 160.88 163.36 173.65 188.63 184.62 182.74 179.82 174.71

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 45.24 45.50 45.89 46.32 46.45 46.35 46.06 46.75 49.69 53.89 52.70 52.29 51.72 50.88
5 50.92 51.77 52.61 59.32 59.60 59.58 59.24 59.81 63.45 68.73 66.91 66.25 65.29 63.81
6 60.44 62.21 63.82 72.44 73.21 73.21 72.93 73.43 77.79 84.21 81.81 80.87 79.49 77.27
7 69.32 71.84 74.38 85.08 86.50 87.09 86.96 87.51 92.71 100.33 97.40 96.22 94.39 91.44
8 77.00 80.87 ≈ 84.40 ≈ 97.23 99.48 100.73 101.14 101.85 107.91 116.75 113.43 111.99 109.84 106.11
9 93.45 99.08 104.19 108.65 111.66 113.39 114.17 115.28 122.30 132.53 129.26 127.80 125.51 121.10
10 100.69 107.72 114.15 119.76 123.59 125.97 127.13 128.48 136.33 147.73 144.15 142.52 139.90 135.34

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 184.617144.154
SC2 0 8 129.552101.847
SC3 -18 7 107.32085.756
SC4 -25 6 79.46363.816
SC5 -34 6 73.54560.904

Dimensions

Dimension drawing of EK-SR-291DG4-A03 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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