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Explosion-proof industrial freezer -80 degree to -20 degree Cryogenic freezer

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Product Description
* Circulating refrigerant: Synthetic heat transfer oil, industrial alcohol or water glycol mixture for circulating refrigeration, saving resources; strict circulation pipeline design to prevent circulating water pollution and prolong the use of circulating water;
* Multiple security protections for more reliable operation;
* Original imported compressor, stacked supercooled refrigeration technology;
* Using subcooling technology to ensure the stability of temperature at low temperatures;
* The temperature difference between turning on the compressor and turning off the compressor can be set;
* Ambient temperature monitoring function to prevent the system operating environment temperature from being too high;
* Multiple fault alarms (over temperature alarm, sensor alarm, high pressure alarm, compressor overheat alarm, liquid level alarm);
* It adopts full-closed design, no water absorption during low-temperature operation, ensuring the purity of cold and heat-conducting medium, preventing ice crystals and prolonging the service life of refrigerant;
* High-performance circulating pump that guarantees continuous operation for 24 hours a day;
* High efficiency plate type cold heat exchanger for heat exchange efficiency;  
 
 
Product model
DLS-06EW/EX
DLS-12EW/EX
DLS-15EW/EX
Temperature range
-80℃~-20℃
-80℃~-20℃
-80℃~-20℃
Temperature control and dispay
Fuzzy PID adaptive controller and LCD liquid crystal display
Temperature control model
Cooling medium outlet temperature control
Temperature feedback
Built-in cooling medium PT100 feedback
Cooling capacity
-60℃ 6KW 12KW 15KW
-75℃
3KW
8KW
12KW
Circulation pump flow/ pressure
Max75L/min;1.5bar
Max150L/min;3bar
Max250L/min; 3bar
Storage tank volume
50L
200L
250L
Evaporator
Kaori plate heat exchanger; Danfoss solenoid valve and drying filter
Refrigeration compressor
5P*2 COPELAND
10P*2 BITZER
15P*2 BITZER
Compressor cooling water
1600L/min, 1.5-4bar
3300L/min, 1.5-4bar
4200L/min, 1.5-4bar
Condenser
Shell and tube water cooled condenser
Operation panel
Touch button settings, LCD display
Safety protection
Refrigerator thermal overload protection, high pressure pressure switch protector, current overload relay, low liquid level
protection and other safety protection functions
Electric control component
Siemens; Schneider; Omron and other famous brands
Environmentally friendly refrigerants
R404A+R23
R404A+R23
R404A+R23
Specification for refrigerant inlet and outlet
DN25*2
DN50*2
DN50*2
Power supply voltage and power
3 phase, AC480V/60Hz/13KW
3 phase, AC480V/60Hz/35KW
3 phase, AC480V/60Hz/45KW
Dimension
1200*1000*1400
2000*1500*2000
2400*1500*2000
Shell material
Cold rolled sheet spray
Cold rolled sheet spray
Cold rolled sheet spray

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