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Blast freezer EK-SR-291CG7-A04 C

Blast freezer EK-SR-291CG7-A04 C
Illustrative photo

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

Product code: EK-SR-291CG7-A04 C

Cooling capacity i
92.34 kW
Air flow
51,400 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 51,400 m³/h
External surface 439.4 m²
Inner volume 128.8 dm³
Fin spacing 7.0 mm
Fin materialAluminium
Net weight 883 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 93.6 dB(A)
Energy class D
Connections
Inlet Ø28
Outlet Ø54
Defrost
EK-SR-291CG7-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)
92.342 kW
Low speed (Y)
74.176 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 39.53 39.48 39.66 39.85 39.75 39.44 38.99 39.57 42.03 45.45 44.33 43.90 43.26 42.28
5 44.93 45.74 46.45 52.27 52.41 52.12 51.60 52.11 55.27 59.72 58.01 57.41 56.57 55.32
6 53.75 55.54 57.09 64.54 65.20 65.27 64.85 65.34 69.23 74.81 72.51 71.65 70.40 68.45
7 61.91 64.36 66.84 76.69 78.14 78.67 78.50 79.06 83.77 90.61 87.85 86.75 85.13 82.48
8 68.54 72.32 ≈ 75.74 ≈ 87.47 89.64 90.88 91.36 92.34 98.02 106.36 103.65 102.36 100.40 97.11
9 83.21 88.68 93.65 97.97 100.92 102.65 103.47 104.69 111.13 120.57 117.63 116.35 114.37 111.01
10 89.63 96.47 102.72 108.17 111.92 114.34 115.56 117.07 124.32 134.89 131.72 130.27 128.02 124.14

Low speed (Y)

TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 33.07 32.93 32.93 33.02 32.90 32.62 32.22 32.92 35.01 37.93 37.08 36.79 36.40 35.84
5 37.80 38.03 38.23 42.82 42.81 42.51 41.98 42.63 45.24 48.94 47.58 47.10 46.42 45.43
6 45.44 46.26 47.02 52.98 53.18 52.90 52.29 52.81 55.96 60.50 58.54 57.81 56.74 55.03
7 52.68 54.25 55.65 63.12 63.50 63.47 62.92 63.35 67.06 72.45 69.89 68.92 67.47 65.11
8 59.45 61.60 63.74 72.83 73.91 74.19 73.71 74.18 78.49 84.79 81.84 80.64 78.82 75.85
9 72.50 76.03 79.25 82.04 83.71 84.56 84.58 85.18 90.14 97.25 94.06 92.65 90.52 86.93
10 78.54 83.11 87.24 90.80 93.02 94.23 94.50 95.44 101.14 109.33 106.26 104.84 102.39 98.22

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] High speed (Δ) [kW]Low speed (Y) [kW]
SC1 10 10 131.723106.262
SC2 0 8 92.34274.176
SC3 -18 7 77.39163.244
SC4 -25 6 57.08647.024
SC5 -34 6 54.21645.680

Dimensions

Dimension drawing of EK-SR-291CG7-A04 C
Dimension drawing
Dimensions as drawn
A 3060 mm
B 1360 mm
C 3090 mm
F 1310 mm
G 2070 mm
E 2665 mm
H 1393 mm
I 3090 mm
D IN 2 x Ø28
D OUT 2 x Ø54
Overall [mm]
Length 3060 mm
Width 1393 mm
Height 3090 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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