1、 Introduction to ultra-low temperature refrigerator:
Ultra low temperature refrigerators are often referred to as ultra-low temperature storage boxes, ultra-low temperature freezers, low-temperature storage boxes, etc.
-86℃The ultra-low temperature refrigerator adopts a double machine stacked ultra-low temperature refrigeration compressor unit imported from Germany and is produced with internationally renowned brand components. Stainless steel inner liner, double-layer insulation, beautiful appearance, and lower noise and energy consumption compared to imported brands. By using both fans and natural convection for heat dissipation, the machine's ability to adapt to high temperatures and dirty environments is greatly enhanced. Stable performance, reliable operation, economic practicality, and strong cost-effectiveness advantages have gradually won recognition in domestic and international markets. Widely used for low-temperature preservation of biological products, chemical reagents, plasma, vaccines, bacterial strains, biological samples, etc.
2、 Main features of ultra-low temperature refrigerator
1、 Domestic production, timely maintenance, and more guaranteed after-sales service;
2、 Silent design, only noise57Decibel;
3、 Unique condensation method: half natural convection, half air cooling, even if the air condenser is dirty or blocked, it is not easy to cause damage to the compressor;
4、 According to the domestic door height design, the total height1.89Rice, don't worry about the location for transportation and placement;
5、 The inner liner and door are made of stainless steel;
6、 The three-layer grid inside the box can be adjusted in height;
7、 Four independent inner doors to prevent the loss of air conditioning;
8、 Internal rounded corner design, easy to clean;
9、R232Interface (optional) to assist with data analysis;
10、 A dust collector that is very easy to disassemble and clean;
11、 Equipped with door lock and power lock;
12、 Light and sound alarms;
13、 All major components are sourced from well-known foreign brands, ensuring more reliable operation.
3、 Origin of main components of ultra-low temperature refrigerator:
1. Compressor: DenmarkDANFOSS
2. Pressure relay: DenmarkDANFOSS
3. Dry filter: DenmarkDANFOSS
4. Pressure controller: DenmarkDANFOSS
5. Wind turbines in Germany:EBM
6. Temperature relay: Germany
7. Time relay: JapanOMRON
8. Intermediate relay: JapanOMRON
9. Temperature control: Japanese Physical and ChemicalRKC
10.Wheels: Sino US joint venture Keshun
4、 Application of ultra-low temperature refrigerator:
Can be used for scientific research, low-temperature experiments on special materials, cryopreservation of red blood cells, white blood cells, skin, bones, bacteria, semen, biological products, ocean products, electronic devices, low-temperature experiments on special materials, etc. Ultra low temperature refrigerators can also be used in blood stations, hospitals, health and epidemic prevention systems, research institutes, electronics industry, chemical industry, biotechnology, university laboratories, military enterprises, offshore fishing companies, etc.

DW-40W60Low temperature refrigerator
1Technical parameters of small laboratory ultra-low temperature refrigerator:
1.1 Product model:DW-40W60
1.2 Temperature range: -15℃~-40℃
1.2 Effective volume:60L
1.3 Power supply voltage:220V/50HZ
1.4 Rated power:300W
1.5 Inner container size(mm):390*370*400
1.6 External dimensions(mm):520*500*795
2Introduction to Small Laboratory Ultra Low Temperature Refrigerator Products:
1.1 Insulated doors and double sealed inner doors effectively reduce cooling loss and save energy with low losses;
1.2 Adopting efficient air-cooled condenser, with good heat dissipation effect and fast cooling speed;
1.3 Ultra thick environmentally friendly insulation layer effectively reduces cooling loss, saves energy, and extends service life;
1.4 The inner container of the box is made of stainless steel, with a plate tube copper tube evaporator, which makes it easy to access items, has good cooling effect, and is easy to clean;
1.5 The control and temperature indicator device inside the box is installed on the front of the box, which can adjust and check the temperature inside the box without opening the door. It is beautiful, practical, and generous;
1.6 Microcomputer control, more precise and safe;
1.7 The system is equipped with safety protection devices to ensure safe and reliable operation;
1.8 All refrigeration systems use imported components, which have good reliability and long service life;
1.9 A comprehensive alarm system (over temperature alarm system fault alarm) and temperature recording system (optional) ensure the safe storage of items inside the box.
3The main features of a small laboratory ultra-low temperature refrigerator are:
1.Fluorine free environmentally friendly refrigerant, caring for the environment;
2.Silent design, only noise57Decibel;
3.Unique condensation method: half natural convection, half air cooling, even if the air condenser is dirty or blocked, it is not easy to cause damage to the compressor;
4.According to the domestic door height design, the total height1.89Rice, don't worry about the location for transportation and placement;
5.The inner liner and door are made of stainless steel;
6.The three-layer grid inside the box can be adjusted in height;
7.Four independent inner doors to prevent the loss of air conditioning;
8.Internal rounded corner design, easy to clean;
9.R232Interface (optional) to assist with data analysis;
10.A dust collector that is very easy to disassemble and clean;
11.Equipped with door lock and power lock;
12.Light and sound alarms;
13.All major components are sourced from well-known foreign brands, ensuring more reliable operation;
14.Domestic production, timely maintenance, and more guaranteed after-sales service;
15.Adopting insurance Warm door and secondary sealing door,Easy to use and reduce cooling loss, saving energy consumption.
16.Adopting air-cooled condenser, it has good heat dissipation effect and fast cooling speed.
17.90mmThe ultra thick insulation layer can effectively reduce the cooling loss of ultra-low temperature refrigerators, save electricity, and extend their service life.
18.Adopting stainless steel inner liner and plate tube evaporator, the storage of items in the box is convenient, and the ultra-low temperature refrigerator has good cooling effect and is easy to clean.
19.The ultra-low temperature refrigerator adopts an imported microcomputer temperature controller for precise temperature control and digital display of the temperature inside the box. It is beautiful and easy to use, and the temperature and working status inside the box can be adjusted and viewed without opening the door.
20.Microcomputer control, more precise and safe.
21.The ultra-low temperature refrigerator system is equipped with safety protection devices to ensure the safe and reliable operation of the ultra-low temperature refrigerator system.
22.All refrigeration systems use imported components, which have good reliability and long service life.
4Application fields of ultra-low temperature refrigerators in small laboratories
A small laboratory ultra-low temperature refrigerator can be used to store drugs, vaccines, enzymes, hormones, stem cells, platelets, semen, and transplanted skin.

DW-40W118Low temperature refrigerator
1Technical parameters of laboratory ultra-low temperature refrigerator:
1.1 Product model:DW-40W118
1.1 Temperature range:-15℃~-40℃
1.2 Effective volume:118L
1.3 Power supply voltage:220V/50HZ
1.4 Rated power:350W
1.5 Inner container size(mm):695*465*300
1.6 External dimensions(mm):900*670*795
2Introduction to Laboratory Ultra Low Temperature Refrigerator Products:
Ultra low temperature refrigerators are often referred to as ultra-low temperature storage boxes, ultra-low temperature freezers, ultra-low temperature storage boxes, etc. Ultra low temperature refrigerator is an essential instrument in biochemistry and molecular biology laboratories, mainly used for the preservation of biological samples or drugs.
1.1 Adopting efficient air-cooled condenser, with good heat dissipation effect and fast cooling speed;
1.2 Ultra thick environmentally friendly insulation layer effectively reduces cooling loss, saves energy, and extends service life;
1.3 The inner container of the box is made of stainless steel, with a plate tube copper tube evaporator, which makes it easy to access items, has good cooling effect, and is easy to clean;
1.4 The control and temperature indicator device inside the box is installed on the front of the box, which can adjust and check the temperature inside the box without opening the door. It is beautiful, practical, and generous;
1.5 Microcomputer control, more precise and safe;
1.6 The system is equipped with safety protection devices to ensure safe and reliable operation;
1.7 All refrigeration systems use imported components, which have good reliability and long service life;
1.8 A comprehensive alarm system (over temperature alarm system fault alarm) ensures the safe storage of items inside the box.
1.9 Temperature recording system (optional), supports non-standard customization!
3Main features of laboratory ultra-low temperature refrigerator:
1.Fluorine free environmentally friendly refrigerant, caring for the environment;
2.Silent design, only noise57Decibel;
3.Unique condensation method: half natural convection, half air cooling, even if the air condenser is dirty or blocked, it is not easy to cause damage to the compressor;
4.According to the domestic door height design, the total height1.89Rice, don't worry about the location for transportation and placement;
5.The inner liner and door are made of stainless steel;
6.The three-layer grid inside the box can be adjusted in height;
7.Four independent inner doors to prevent the loss of air conditioning;
8.Internal rounded corner design, easy to clean;
9.R232Interface (optional) to assist with data analysis;
10.A dust collector that is very easy to disassemble and clean;
11.Equipped with door lock and power lock;
12.Light and sound alarms;
13.All major components are sourced from well-known foreign brands, ensuring more reliable operation;
14.Domestic production, timely maintenance, and more guaranteed after-sales service;
15.Adopting insulated doors and secondary sealed doors,Easy to use and reduce cooling loss, saving energy consumption.
16.Adopting air-cooled condenser, it has good heat dissipation effect and fast cooling speed.
17.90mmThe ultra thick insulation layer can effectively reduce the cooling loss of ultra-low temperature refrigerators, save electricity, and extend their service life.
18.Adopting stainless steel inner liner and plate tube evaporator, the storage of items in the box is convenient, and the ultra-low temperature refrigerator has good cooling effect and is easy to clean.
19.This ultra-low temperature refrigerator adopts an imported microcomputer temperature controller for precise temperature control and digital display of the temperature inside the box. It is beautiful and easy to use, and the temperature and working status inside the box can be adjusted and viewed without opening the door.
20.Microcomputer control, more precise and safe.
21.The ultra-low temperature refrigerator system is equipped with safety protection devices to ensure the safe and reliable operation of the ultra-low temperature refrigerator system.
22.The refrigeration system of the ultra-low temperature refrigerator adopts imported components, which have good reliability and long service life.

DW-40W318Low temperature refrigerator
Technical parameters of ultra-low temperature refrigerator:
1.1 Product model:DW-40W318
1.2 Temperature range: -15℃~-40℃
1.3 Effective volume:318L
1.4 Load bearing range:150KGwithin
1.5 Power supply voltage:220V/50HZ
1.6 Temperature control accuracy:±2℃
1.7 Rated power:450W
1.8 Inner container size(mm):1195*465*590
1.9 External dimensions(mm):1400*670*795
1.10 Step size(mm): 300*465*300
Characteristics of ultra-low temperature refrigerator:
2.1Insulated doors and double sealed inner doors can effectively reduce cooling loss and save energy;
2.2Adopting efficient air-cooled condenser, with good heat dissipation effect and fast cooling speed;
2.3Adopting efficient air-cooled condenser, with good heat dissipation effect and fast cooling speed;
2.4Ultra thick environmentally friendly insulation layer effectively reduces cooling loss, saves energy, and extends service life;
2.5The inner liner of the box is made of aluminum plate spray coating technology, and the plate tube copper tube evaporator is easy to access and store items, with good cooling effect and easy cleaning of the inner liner;
2.6The control and temperature indicator device inside the box is installed on the front of the box, which can adjust and check the temperature inside the box without opening the door. It is beautiful, practical, and generous;
2.7Microcomputer control, more precise and safe;
2.8The system is equipped with safety protection devices to ensure safe and reliable operation;
2.9A comprehensive alarm system (over temperature alarm system fault alarm) and temperature recording system (optional) ensure the safe storage of items inside the box.
2.10All refrigeration systems use imported components, which have good reliability and long service life;
2.11Tianfeng Low Temperature Refrigerator adds the function of recording temperature curves for easy viewing of temperature changes;
2.12Tianfeng horizontal ultra-low temperature refrigerator can be made with top opening visible glass doors according to customer requirements, which is the first of its kind in China!
Application of ultra-low temperature refrigerator:
-60Low temperature refrigerators are suitable for storing tuna,- eighty-sixUltra low temperature refrigerators are widely used for low-temperature storage of biological products, chemical reagents, plasma, vaccines, bacterial strains, biological samples, etc.
In molecular cloning experiments,-70℃Ultra low temperature refrigerators are widely used for storing competent Escherichia coli, competent cells, and phage seeds.

DW-40W1000Type refrigerator
Ultra low temperature refrigerator, also known as ultra-low temperature freezer or ultra-low temperature storage box. According to their purposes, they can be roughly divided into laboratory and industrial use. Suitable for the preservation of tuna, low-temperature testing of electronic devices and special materials, as well as low-temperature preservation of plasma, biological materials, vaccines, reagents, biological products, chemical reagents, bacterial strains, biological samples, etc.
Technical parameters of ultra-low temperature storage box:
1.1 Product model:DW-40W1000
1.2 Temperature range:-15℃~-40℃
1.3 Effective volume:1000L
1.4 Power supply voltage:220V/50HZ
1.5 Rated power:900W
1.6 Bearing capacity:150KGwithin
1.7 Inner container size(mm):2120*757*670
1.8 External dimensions(mm):2265*898*843
1.9 Step size(mm): 300*757*300
Product features of ultra-low temperature storage box:
2.1Insulated doors and double sealed doors effectively reduce cooling loss and save energy;
2.2Adopting efficient air-cooled condenser, with good heat dissipation effect and fast cooling speed;
2.3The body is made of high-quality painted thick steel plate, which is corrosion-resistant and not easy to rust;
2.4Ultra thick environmentally friendly insulation layer effectively reduces cooling loss, saves energy, and extends service life;
2.5The inner liner of the box is made of aluminum plate spray coating technology, and the plate tube copper tube evaporator is easy to access and store items, with good cooling effect and easy cleaning of the inner liner;
2.6The control and temperature indicator device inside the box is installed on the front of the box, which can adjust and check the temperature inside the box without opening the door. It is beautiful, practical, and generous;
2.7Microcomputer control, more precise and safe;
2.8The system is equipped with safety protection devices to ensure safe and reliable operation;
2.9A comprehensive alarm system (over temperature alarm system fault alarm) and temperature recording system (optional) ensure the safe storage of items inside the box.
2.10All refrigeration systems use imported components, which have good reliability and long service life;
2.11The horizontal ultra-low temperature refrigerator can be made with top opening visible glass doors according to customer requirements, which is the first of its kind in China!

model |
name |
temperature range |
volume |
Internal dimensions |
Number of shelves |
External dimensions |
power |
DW-40W60 |
-40℃Horizontal ultra-low temperature refrigerator |
-15~-40℃ |
60L |
410*410*353mm |
Flat bottomed |
670*755*995mm |
300W |
DW-40W118 |
-40℃Horizontal ultra-low temperature refrigerator |
-15~-40℃ |
118L |
700*470*360mm |
Flat bottomed |
900*750*920mm |
300W |
DW-40W218 |
-40℃Horizontal ultra-low temperature refrigerator |
-15~-40℃ |
218L |
960*470*570mm |
300*470*280mm |
1160*750*860mm |
350W |
DW-40W318 |
-40℃Horizontal ultra-low temperature refrigerator |
-15~-40℃ |
318L |
1330*470*570mm |
300*470*280mm |
1530*750*860mm |
400W |
DW-40W460 |
-40℃Horizontal ultra-low temperature refrigerator |
-15~-40℃ |
460L |
1380*500*660mm |
Flat bottomed |
2110*885*1095mm |
780W |
DW-40W468 |
-40℃Horizontal ultra-low temperature refrigerator |
-15~-40℃ |
468L |
1224*620*667mm |
300*620*300mm |
1400*800*850mm |
550W |
