Home > Products > Low temperature freezer > Direct-cooled Ultra-low Temperature Freezer
Direct-cooled Ultra-low Temperature Freezer
- Shanghai
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Product Details
| Type | Other, Ultra-Low Temperature Freezer | Place of Origin | Jiangsu, China | |
| Brand Name | LNEYA | Model Number | SLJ-4 | |
| Certification | CE | After-sales Service Provided | Engineers available to service machinery overseas |
Product Description
Ultra-Low Temperature Freezer SLJ-4 -110°C~-150°C
Description
Medium-sized low-temperature freezer, refrigeration temperature range from -110℃ ~ -150℃, safe, reliable, rapid cooling for the liquid, widely used in petrochemical, medical, pharmaceutical, biochemical and freeze-dried, military and other high-tech industries.
Technical Parameters:
Model | SLJ-3 | SLJ-4 | SLJ-6 | SLJ-11 | |
Temperature range ℃ | -110°C~-150°C | ||||
Cooling capacity | -120°C | 3kW | 4kW | 6kW | 11kW |
-135°C | 2.5kW | 3.3kW | 5kW | 9kW | |
Evaporator space | 2 square meter | 2.8 square meter | 4 square meter | 7.8 square meter | |
Evaporator | Φ16×40m | Φ22*40m | Φ28*45m | Φ28*45m *2 | |
Connection size | Φ16 ball mouth | Φ22 ball mouth | Φ28 ball mouth | Φ35 ball mouth | |
Compressor | Copeland | Copeland | Copeland | Copeland | |
Operating Panel | 7-inch color touch screen controller, temperature curve record, data export to excel format. | ||||
Control system | Standard: Single-chip microcomputer controller; Stepping control; Set temperature difference of refrigeration on & off. Optional: SIEMENS S7-200PLC&Module | ||||
Condenser | KAORI Plate heat exchanger | ||||
Intermediate heat exchanger | KAORI Plate heat exchanger | ||||
Drying filter core | Danfoss | ||||
Expansion tank | Emerson | ||||
FDF | Emerson | ||||
Oil separator | Emerson | ||||
Pressure protector | Emerson | ||||
Reservoir | Standard:RSP Optional:Emerson | ||||
Sight glass | Standard: SANHUA Optional: Danfoss | ||||
Refrigeration ball valve | Standard: SANHUA Optional: Danfoss | ||||
Electric | Schneider AC contactor, Schneider intermediate relay | ||||
Refrigerant | R404A R508B R14 R50 mixed refrigerant | ||||
Safety protection | High pressure protect; Water supply cut-off protection; Over-current protection; Leakage protection; Sequential and phase failure protection; High temperature protection; Sensor Failure protection; Liquid low level protection etc. muti-safety protection. | ||||
Piping material | Copper pipe | ||||
Case material | SUS304 | ||||
HP | 15HP | 20HP | 30HP | 55HP | |
Water-cooled type W (cooling water at 20℃) | 6m³/h | 8m³/h | 12m³/h | 20m³/h | |
Power | 380V50HZ 12kW | 380V50HZ 16kW | 380V50HZ 24kW | 380V50HZ 44kW | |
Connection | 700*750*1700 | 1000*800*1700 | 1250*1000*1750 | 2050*1450*1750 | |
Weight | 700kg | 1100kg | 1400kg | 1800kg | |
dB | Within 75dB | Within 80dB | |||
- About Us
Wuxi Guanya Refrigeration Technology Co., Ltd. Specialized in refrigeration equipment,Ultra-low temperature freezer, cooling and heating temperature control system, heating circulation system, explosion-proof electric equipment. Automatic integrated disparate control system, laboratory apparatus. We are the technology leader for high precision thermoregulation solutions in Research and Development Industry. Our products ensure precise temperature control throughout the whole world in laboratories, pilot plants and production processes. Our product range offers temperature control solutions for applications from -152 to +350℃.
- Development history
In 2006 Start production of refrigeration and heating system equipments.
In 2007 Developed the first generation of refrigeration and heating thermostat and establish the LNEYA CO., LTD.
In 2008 Developed the first generation of refrigeration and dynamic temperature control system.
In 2009 Developed the second generation of refrigeration and heating thermostat.
In 2010 Established WUXI GUANYA REFRIGERATION TECHNOLOGY CO., LTD.
Developed the second generation of refrigeration and heating dynamic temperature control system.
Developed the refrigeration and heating dynamic temperature control system & low temperature freezer for industry use.
In 2011 Developed new technology with single compressor having multiple circulation systems (can reach to -80 degree with single compressor)
Upgraded the second generation of refrigeration and heating dynamic temperature control system.
In 2012 Single compressor having multiple circulation systems is applied in production of SUNDI-4, SUNDI-5, SUNDI-6, and SUNDI-7, SUNDI-8 and LT series.
Upgraded the second generation of refrigeration and heating dynamic temperature control system for the second time and developing the third generation of refrigeration and heating dynamic temperature control system.
In 2013 Developed new product one operating multi refrigeration and heating temperature control system(the third generation of refrigeration and heating dynamic temperature control system).At the same time testing the large capacity of ultra-low temperature freezer.
In 2014 Developed with large capacity of ultra-low temperature freezer which used for industrial production,new goods will be research.And it will be launched in the market soon........
Professinal sale engineer here to give you detail product introduction and the most suitable model.


Contact Us
- Wuxi Guanya Refrigeration Tech Co., Ltd.
- Contact nameLisa Li Chat Now
- Phone0086-510-82321181
- AddressNo.10, Zhenfa No.1 Road, New district, Wuxi, Jiangsu, China, Wuxi, Jiangsu
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With Good Quality Cooling and Heating Thermostatic Applied to Reactor From -100 up to 100 Degree
TCU Applied to Glass Reactor Temperature Range From -50 to 250 Degree
Air Cooling Chiller of Cooling and Heating Machine Temperature Range From -30 up to 180 Degree
Heating Machine of Manufacturer Temperature Range From 50 up to 200 Degree
Multifunction Lab Low Temperature Constant Temperature Circulator
Refrigerated Thermostatic Bath and Heating Circulators Bath


-30~180 Degree Laboratory Using Oil Bath Circulator
Smart Refrigerated and Heating Alcohol Circulator
Hermetic Refrigerating and Heating Circulation Water Oil Bath
Refrigerating and Heating Circulator for Lab and Industrial Pilot Plant
Cooling and Heating Refrigerated Circulating Thermostatic Bath
Laboratory Cooling Circulator Water Bath Thermostatic Devices
Ultra-low Temperature Refrigeration Machine Temperature Range From -115 to -50 Degree
Heating Unit for Laboratory Research From 50 up to 200 Degree
Industry and Laboratory Refrigerating Treatment Applied to Glass Reactor From -90 up to 250 Degree
Low Temperature Refrigerator Applied to Reactor Temperature Range From - 25 up to 200 Degree
Thermostatic Cooling Unit Applied to Reactor Temperature Range From - 25 up to 200 Degree
Mini Chiller Applied to Rotary Evaporator
Chiller With Good Quality Temperature Range From 5~35 Degree
Refrigerated Baths and Circulators Temperature Range From - 25 up to 200 Degree
Single Refrigeration Equipment Applied to Reactor Temperature Range From - 105 up to -60 Degree
Cooling and Heating System Applied to Vacuum System Temperature Range From - 25 up to 200 Degree
CE Industrial Refrigerating Forced Air Cooling Water Circulation Chiller