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KRY  -20°C ~ +100°C

KRY -20°C ~ +100°C

  • Temperature Control Range: -20°C ~ +100°C
  • Temperature Control Accuracy: ± 0.5 °C
  • Siemens PLC Control Screen And Color Touch Screen

Note: Both Air Cooled And Water Cooled Are Available. Explosion Proof Cabinet Can Be Customized.

 

Application: Laboratory, University, Research Institute, Aerospace, Automotive Industry, Semiconductor and Electrical Test, Chemical, Pharmaceutical, Petrochemical, Biochemical, Medical, R&D Workshop, Biological and Other Industries.

 

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Features:

  • Multi channel output, independent control of flow, no interference with each other.
  • Temperature, flow and pressure can be controlled separately.
  • Multi channel temperature control, and one device can achieve multi channel output, and control the flow separately.
  • Strong circulation pump ensures the delivery of high viscosity liquid, it can provide high flow under stable pressure.
  • Clear circuit, compact structure, multiple fault alarm functions to ensure safe operation of the equipment.
  • Temperature variation range is usually from -40 to 100 degrees (which can be extended to 150 degrees). While controlling the temperature, you can also choose to control the flow or pressure;
  • Equipped with powerful circulating pump to ensure the delivery of high viscosity liquid; Variable frequency regulation or proportional regulation valve is used to control the flow output to achieve high-precision control of 5% ~ 100% of the total range.
  • The temperature control equipment can be flexibly connected with other test platforms;

The System Process Flow Is As Follows:

The liquid refrigerant in the evaporator of the unit is exchanged with the circulating air in the interior of the tank. The temperature rises from liquid to gas, and is sucked into the suction port of the compressor. The high-temperature and high-pressure refrigerant gas after compression by the compressor passes through The oil separator separates the refrigerating machine oil carried in the compression process, and then enters the condenser, and exchanges heat with ambient air or cooling water to change from high temperature and high pressure gas to high pressure normal temperature liquid. The high-pressure normal temperature refrigerant liquid is dried by a filter and then throttled and depressurized by an expansion valve, that is, from a high-pressure liquid to a low-pressure liquid. The low-pressure liquid (lower boiling point) enters the evaporator of the unit, and the cooling air is brought to the inside of the tank through the circulating air to achieve refrigeration.

Product features and advantages:

The anti-freeze solution is injected into the 80L pressure vessel, and the fully closed circulation system is adopted. This avoids the opportunity for the antifreeze to contact with the outside air and ensures the condensation of the water. After the expansion tank is protected by nitrogen, the temperature range of the heat transfer liquid is also broadened because its boiling point is increased. In addition, oxidation of the thermally conductive liquid in contact with oxygen in the environment is also avoided, thereby extending the useful life of the thermally conductive liquid.

Customer Case

 

Model KRY-255 KRY-275 KRY-2A10 KRY-2A15 KRY-2A25 KRY-2A38W
KRY-255W KRY-275W KRY-2A10W KRY-2A15W KRY-2A25W
Temp Range -20℃~+100℃ -20℃~+100℃ -20℃~+100℃ -20℃~+100℃ --20℃~+100℃ -20℃~+100℃
Temperature control precision ±0.5℃ ±0.5℃ ±0.5℃ ±0.5℃ ±0.5℃ ±0.5℃
Temperature feedback Pt100 Pt100 Pt100 Pt100 Pt100 Pt100
Temperature display 0.01k 0.01k 0.01k 0.01k 0.01k 0.01k
Flow rate output 1~15 L/min 1~25 L/min 1~30 L/min 1~40 L/min 1~40 L/min 1~40 L/min
Flow rate accuracy ±0.2 L/min ±0.2 L/min ±0.2 L/min ±0.2 L/min ±0.2 L/min ±0.2 L/min
Pressure display Adopt the Jeffron pressure sensor, the touch screen display the pressure, can carry on the pressure control adjustment.
Heating power 5.5kw 7.5kw 10kw 15kW 25kW 38kW
Cooling capacity 100℃ 5.5kw 7.5kw 10kw 15kw 25kw 38KW
20℃ 5.5kw 7.5kw 10kw 15kw 25kw 38KW
0℃ 5.5kw 7.5kw 10kw 15kw 25kw 38KW
-20℃ 2.8kw 3.8kw 4.6kw 7kw 12kw 16KW
Compression Emerson Copeland
Expansion valve Electronic expansion valve
Dry filter Danfoss
Evaporator plate heat exchanger
Input,Display Siemens 7-inch color touch screen \ Siemens s7-1200 PLC controller
Program edit 5 procedures may be prepared, each of which may be composed of 40 steps
Communication RS485, CAN communication bus
Safety protection Self-diagnosis function; freezer overload protection; high pressure pressure switch, overload relay, thermal protection device, low liquid level protection, high temperature protection, sensor fault protection, etc.
Closed circulation system The whole system is a fully enclosed system. There is no oil mist at high temperature, and low temperature does not absorb moisture in the air. The system does not increase the pressure due to high temperature during operation, and the heat medium is automatically replenished at low temperature.
refrigerant R404A/ R507C
Connection size ZG3/4 ZG3/4 ZG3/4 ZG3/4 ZG3/4 ZG3/4
Cooling water@25C 1900L/H 2500L/H 3000L/H 4000L/H 6000L/H 9000L/H
Condenser(W) Tube type heat exchanger (Paris/Shenshi)
Condenser(A) Copper tube aluminum finned heat exchanger (upward wind)
Power 380V50HZ 10kw max 14kw max 16KW max 24KW max 38KW max 55KW max
Dimension cm 55*100*175 55*100*175 70*100*175 80*120*185 100*150*185 100*150*185
Weight (water cooling) 230kg 250kg 300kg 320kg 570kg 830kg
Optional 220V 60HZ Three phase 400V 50HZ Three phase 440V 60HZ Three phase
Optional Extend to -40~+135℃
Optional Higher precision control of temperature, flow and pressure
Optional Automatic antifreeze filling system
Optional Automatic antifreeze filling system
Model KRY-255 KRY-275 KRY-2A10 KRY-2A15 KRY-2A25 KRY-2A38W
KRY-255W KRY-275W KRY-2A10W KRY-2A15W KRY-2A25W
Temp Range -20℃~+100℃ -20℃~+100℃ -20℃~+100℃ -20℃~+100℃ -20℃~+100℃ -20℃~+100℃
Temperature control precision ±0.5℃ ±0.5℃ ±0.5℃ ±0.5℃ ±0.5℃ ±0.5℃
Temperature feedback Pt100 Pt100 Pt100 Pt100 Pt100 Pt100
Temperature display 0.01k 0.01k 0.01k 0.01k 0.01k 0.01k
Flow rate output 1~15 L/min 1~25 L/min 1~30 L/min 1~40 L/min 1~40 L/min 1~40 L/min
Flow rate accuracy ±0.2 L/min ±0.2 L/min ±0.2 L/min ±0.2 L/min ±0.2 L/min ±0.2 L/min
Pressure display Adopt the Jeffron pressure sensor, the touch screen display the pressure, can carry on the pressure control adjustment.
Heating power 5.5kw 7.5kw 10kw 15kW 25kW 38kW
Cooling capacity 100℃ 5.5kw 7.5kw 10kw 15kw 25kw 38KW
20℃ 5.5kw 7.5kw 10kw 15kw 25kw 38KW
0℃ 5.5kw 7.5kw 10kw 15kw 25kw 38KW
-20℃ 2.8kw 3.8kw 4.6kw 7kw 12kw 16KW
Compression Emerson Copeland
Expansion valve Electronic expansion valve
Dry filter Danfoss
Evaporator plate heat exchanger
Input,Display Siemens 7-inch color touch screen \ Siemens s7-1200 PLC controller
Program edit 5 procedures may be prepared, each of which may be composed of 40 steps
Communication RS485, CAN communication bus
Safety protection Self-diagnosis function; freezer overload protection; high pressure pressure switch, overload relay, thermal protection device, low liquid level protection, high temperature protection, sensor fault protection, etc.
Closed circulation system The whole system is a fully enclosed system. There is no oil mist at high temperature, and low temperature does not absorb moisture in the air. The system does not increase the pressure due to high temperature during operation, and the heat medium is automatically replenished at low temperature.
refrigerant R404A/ R507C
Connection size ZG3/4 ZG3/4 ZG3/4 ZG3/4 ZG3/4 ZG3/4
Cooling water@25C 1900L/H 2500L/H 3000L/H 4000L/H 6000L/H 9000L/H
Condenser(W) Tube type heat exchanger (Paris/Shenshi)
Condenser(A) Copper tube aluminum finned heat exchanger (upward wind)
Power 380V50HZ 10kw max 14kw max 16KW max 24KW max 38KW max 55KW max
Dimension cm 55*100*175 55*100*175 70*100*175 80*120*185 100*150*185 100*150*185
Weight (water cooling) 230kg 250kg 300kg 320kg 570kg 830kg
Optional 220V 60HZ Three phase 400V 50HZ Three phase 440V 60HZ Three phase
Optional Extend to -40~+135℃
Optional Higher precision control of temperature, flow and pressure
Optional Automatic antifreeze filling system
Optional Automatic antifreeze filling system

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