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Blast freezer EK-SR-291BC4-A04 C

Blast freezer EK-SR-291BC4-A04 C
Illustrative photo

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

Product code: EK-SR-291BC4-A04 C

Cooling capacity i
59.88 kW
Air flow
52,930 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 52,930 m³/h
External surface 260.6 m²
Inner volume 53.6 dm³
Fin spacing 4.6 mm
Fin materialAluminium
Net weight 695 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 93.3 dB(A)
Energy class E
Connections
Inlet Ø35
Outlet Ø54
Defrost
EK-SR-291BC4-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)
59.879 kW
Low speed (Y)
51.284 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 25.21 25.19 25.19 25.19 24.99 24.74 24.44 24.69 26.09 28.14 27.38 27.10 26.71 26.13
5 29.17 29.72 30.13 33.68 33.69 33.46 33.06 33.36 35.33 38.12 37.05 36.68 36.13 35.25
6 34.85 36.00 37.03 42.16 42.74 42.90 42.56 42.87 45.42 49.01 47.53 47.00 46.24 45.09
7 39.79 41.59 43.19 49.51 50.43 50.91 51.04 51.63 54.82 59.43 58.05 57.52 56.75 55.52
8 44.36 46.90 ≈ 49.16 ≈ 56.76 58.14 58.91 59.20 59.88 63.59 68.96 67.32 66.68 65.73 64.19
9 53.94 57.66 60.99 63.85 65.77 66.92 67.45 68.26 72.49 78.66 76.80 76.05 74.92 73.08
10 ≈ 58.17 62.84 67.08 70.74 73.28 74.89 75.72 76.71 81.50 88.50 86.45 85.59 84.30 82.15

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 21.92 21.75 21.63 21.62 21.51 21.33 21.11 21.49 22.77 24.61 24.03 23.82 23.51 23.06
5 25.36 25.53 25.69 28.70 28.62 28.37 28.05 28.38 30.11 32.55 31.71 31.42 31.02 30.43
6 30.82 31.36 31.93 35.98 36.12 35.97 35.61 35.90 38.05 41.08 39.85 39.42 38.81 37.90
7 35.50 36.67 37.74 42.98 43.59 43.87 43.62 43.91 46.51 50.23 48.67 48.08 47.23 45.88
8 39.76 41.49 43.03 49.31 50.22 50.68 50.76 51.28 54.43 59.01 57.52 56.91 56.01 54.33
9 48.58 51.20 53.54 55.55 56.83 57.53 57.75 58.33 61.90 67.14 65.35 64.61 63.52 61.68
10 52.63 56.01 59.05 61.65 63.38 64.38 64.78 65.46 69.47 75.33 73.32 72.46 71.18 69.01

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 86.44973.317
SC2 0 8 59.87951.284
SC3 -18 7 49.94143.269
SC4 -25 6 37.03431.925
SC5 -34 6 35.14231.013

Dimensions

Dimension drawing of EK-SR-291BC4-A04 C
Dimension drawing
Dimensions as drawn
A 3060 mm
B 1360 mm
C 2790 mm
F 1310 mm
G 1770 mm
E 2665 mm
H 1393 mm
I 3090 mm
D IN 1 x Ø35
D OUT 1 x Ø54
Overall [mm]
Length 3060 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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