Stationary & Mobile Deep Freezer: MODEL SDF-60 

Klinge's SDF-60 is a split refrigeration unit capable of being used in a 20' or 40' ISO container or in a room (evaporator section located in the room and compressor section located outside the room). The SDF-60 is designed to maintain cargo temperature within 0°C to -60°C (32°F to 76°F).

Unlike other designs, Klinge Corp’s ultra-low temperature storage solution contains defrost heat in the evaporator section so that heat does not enter the flue. More standard designs allow heat from defrost to enter the container thereby heating up the container.

Containing the heat from the defrost process in the evaporator section also decreases the amount of time necessary to defrost the coil so that the interruption to the blast freezing time is shorter.

At the same time, there is also less residual defrost heat to remove after defrost meaning the unit can do what it is supposed to do and freeze the product instead of working to remove excess heat. Klinge Corp’s design therefore saves energy and maintains more consistent product temperature throughout the process.

SDF-60 PHOTOS (Ultra-Low Temperature System)

SDF-60 FEATURES (Ultra-Low Temperature System)

» Worry-Free Freezing: Unlike other freezer designs, our SDF-60 contains
defrost heat in the evaporator section so that heat does not enter the flue.  More standard designs allow heat from defrost to enter the container thereby heating up the container.
» Efficient Airflow: Airflow values up to 3000 m3/h. Evaporator fan motor and fan are designed for temps down to -60°C (-76°F).
» Convenience: Split refrigeration unit is capable of being used in an ISO container or in a room (evaporator section located in the room & compressor section outside the room).
» Reliability: Equipped with fast and efficient hot gas defrosting system, which is
designed for low temperatures.
» Back-Up Power: Available with integral generator set capable of powering unit if loss of power occurs or during transport on truck.

SDF-60 SPECIFICATION

» Dimensions:
Compressor unit : 1500 * 600 * 1400 mm. (w * d * h)
Evaporator unit : 1250 * 810 * 650 mm. (w * d * h)
» Weight: Compressor unit : 360 kg Evaporator unit : 90 kg.
» Power Supply: AC, 400/460 Volts +/- 10% 3 phase, 50/60Hz +/- 2.5 Hz
» Control Circuit: AC, 24/28 Volts (from transformator)
» Method of Defrost: Manual, demand and automatic timer back-up.
» Refrigerant: Fluid group II. R134a / R23.

» Compressor/Condenser section. 50 Hz.
Compressors (system 1. R134a, 2 pcs. system 2. R23, 1 pcs) Copeland Type Scroll ZF 18
Condenser coil (air cooled) Tube- / Fin Material Copper / Alu.
Cond. fan motor ( 2 pcs.) 0,25 kW Type 900 RPM.
Cond. Fan ( 2 pcs.) Ø 550/8 blade/35°. Type Propeller
Type Propeller Material Polypropylene
Air Flow Totally 8000 m3/h

» Refrigeration Safety Controls:
High Pressure Switch (R134a system) Danfoss Cut-out 23bar.Cut in 17bar
Low Pressure Switch (R134a system) Danfoss Cut-out –0,4bar.Cut in 0,3bar
High Pressure Switch (R23 system) Danfoss Cut-out 28bar.Cut in 20bar
Low Pressure Switch (R23 system) Danfoss Cut-out –0,4bar.Cut in 0,3bar
Overheat sensor (On Discharge pipe, all systems) PT 1000 Cut-out, 125°C.
Safety valve (R134a/R23): ½”. Blow –out, High press. 29,3bar, Low press.19 bar

» Evaporator Section:
Evaporator  (air cooled)
Treated to resist corrosion induced by salt spray atmosphere
Tube/ Fin Material - Copper / Aluminium
Evaporator fan motor - 0,25 KW / Type - 900RPM
Evaporator fan - Ø 550/8 blade/35° / Type - Propeller
Material - Polypropylene / Air Flow - Totally 4000 m3/h
Defrost system - Coil / Type - Hot gas
Drain Type - Hot gas
Vacuum valve - Equalizer of pressure in container / Type - Non

Test method according to ARI standard no. 1110-69 approval. Net cooling capacity at 30°C (86°F) ambient temp., 60 Hz power.
Return Air Temperature                 Capacity               Power Requirements
-60°C (-76°F)                                 5.8 kW                 10.2 kW
-50°C (-58°F)                                 8.0 kW                 11.4 kW
-30°C (-22°F)                                 11 kW                  14.5 kW
 

» OPTIONS: integral diesel generator set