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Blast freezer EK-SR-291DC7-A03 C

Blast freezer EK-SR-291DC7-A03 C
Illustrative photo

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

Product code: EK-SR-291DC7-A03 C

Cooling capacity i
65.88 kW
Air flow
68,437 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 68,437 m³/h
External surface 263.6 m²
Inner volume 82.9 dm³
Fin spacing 7.0 mm
Fin materialAluminium
Net weight 836 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 92.7 dB(A)
Energy class E
Connections
Inlet Ø42
Outlet Ø66,7
Defrost
EK-SR-291DC7-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)
65.883 kW
Low speed (Y)
54.603 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.

High speed (Δ)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 27.71 27.17 26.82 26.61 26.32 26.00 25.69 25.64 27.08 29.19 28.37 28.08 27.66 27.03
5 32.67 32.42 32.28 35.73 35.46 35.08 34.64 34.53 36.50 39.31 38.14 37.70 37.08 36.13
6 40.21 40.47 40.72 45.49 45.39 45.05 44.54 44.38 46.90 50.50 48.92 48.34 47.51 46.23
7 47.42 48.18 49.01 55.24 55.51 55.40 55.03 54.89 58.04 62.54 60.57 59.84 58.77 57.11
8 53.56 55.16 56.66 64.48 65.44 65.97 65.90 65.88 69.71 75.22 72.98 72.11 70.83 68.79
9 65.84 68.43 70.79 72.91 74.28 75.10 75.51 75.99 80.62 87.39 85.41 84.62 83.40 81.05
10 71.75 75.26 78.42 81.21 83.08 84.25 84.90 85.53 90.78 98.46 96.28 95.40 94.08 91.90

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 23.88 23.35 23.04 22.89 22.70 22.49 22.28 22.36 23.65 25.55 24.91 24.68 24.35 23.86
5 28.02 27.56 27.37 30.32 30.11 29.84 29.52 29.54 31.26 33.74 32.83 32.50 32.04 31.35
6 34.51 34.39 34.39 38.28 38.11 37.83 37.46 37.40 39.56 42.67 41.42 40.96 40.32 39.34
7 40.84 41.15 41.49 46.48 46.51 46.30 45.93 45.83 48.46 52.26 50.68 50.09 49.21 47.89
8 46.90 47.77 48.41 54.60 54.94 54.93 54.66 54.60 57.76 62.32 60.43 59.71 58.66 56.99
9 58.03 59.61 61.13 62.56 63.47 63.74 63.63 63.66 67.38 72.78 70.66 69.82 68.59 66.60
10 63.50 65.75 67.84 69.75 70.99 71.74 72.10 72.54 76.96 83.43 81.14 80.20 78.81 76.54

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 96.28081.143
SC2 0 8 65.88354.603
SC3 -18 7 55.40446.527
SC4 -25 6 40.72034.387
SC5 -34 6 40.32834.529

Dimensions

Dimension drawing of EK-SR-291DC7-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 1 x Ø42
D OUT 1 x Ø66,7
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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