.

Lab Water Chiller SUNDI -60℃~300℃

Laboratory Water ChillerSUNDI -60℃~300℃

-60℃~300℃
A fully closed piping design, high efficiency plate heat exchanger used to reduce the demand for the thermal fluid utilization while providing the system to achieve the rapid ups and downs in temperature The whole system is a closed liquid circulation system with the expansion of container, expansion of the container and the liquid circulation is adiabatic, and do not participate in liquid circulation, only mechanical connection, regardless of the temperature is a high temperature or low temperature, the tank temperature is limited to 60℃. Therefore, during the process the risk of imbibing and volatilization of the heat conducting medium is reduced. There following advantages for the user.
Model SUNDI-655WV SUNDI-675WV SUNDI-6A10WV SUNDI-6A15WV SUNDI-6A25WV
Temp. range -60℃~+300℃ (system add pressure 3BAR)
Control Mode Feedback PID + Our special dynamic control calculation, PLC controller
Temp. control Process temp control and jacket temp control model
Temp. difference Set or control the temperature difference between jacket oil and raw material process
Program Editor 10 programs, each program can edit 42 steps.
Communication Portocol MODBUS RTU Protocol, RS485 interface
Material temp. feedback PT100 OR 4~20mA or communication(normal: PT100)
Temp. feedback The temp of three points: the inlet and outlet of equipment, reactor material temp(external temp sensor)
Medium temp. acccuracy ±0.5℃
Material temp. accuracy ±1℃
Heating power kW 5.5 7.5 10 15 25
Cooling capacity kW at 300℃ 5.5 7.5 10 15 25
100℃ 5.5 7.5 10 15 25
20℃ 5.5 7.5 10 15 25
-20℃ 4.8 6 8.2 12 25
-40℃ 2.3 3.1 4.8 7.8 18
-55℃ 0.75 0.9 1.5 2.8 6
Circulation pump maxL/min bar 50 50 110 110 150
2 2 2.5 2.5 2.5
Pump LNEYA magnetic drive pump
Compressor Tecumseh closed compressor Dorin semi-closed compressor
Expansion valve Emerson thermal expansion valve/Emerson electronic expansion valve/danfoss thermal expansion valve.
Evaporator DANFOSS/KAORI Plate heat exchanger
Operation Panel 7-inch touch screen,show temp curveEXCEL data output
Safety protection Self-diagnosis function; freezer overload protection; high pressure switch, overload relay,thermal protection device, liquid low level protection, high temperature protection and temperature fault protection.
Closed circulation system The whole system is full closed circulation, there is no oil mist at high temperature and no water vapor at low temperature, pressure do not rise up when system is running. The system will supply oil automatically at low temperature.
Refrigerant R404A/R23 mixture,optional: R125/R23 mixture
Connection size G3/4 G1 G1 G1 DN32 PN10
Water-cooled type W(cooling water@20℃) 1800L/H1.5bar~4bar 2100L/H1.5bar~4bar 3000L/H1.5bar~4bar 4000L/H1.5bar~4bar 8.5m³/H1.5bar~4bar
Dimension cm 55*95*170 55*95*170 70*100*175 80*120*185 100*150*185
Weight kg 265 305 340 380 980
Power 380V 50HZ 10kW 14kW 18kW 26kW 40kW

Typical application of refrigeration heating temperature control system

Dynamic thermostatic control of cold and heat source of high pressure reaction kettle, dynamic thermostatic control of double layer glass reaction kettle, and dynamic thermostatic control of cold and hot source of double-layer reactor.Microchannel reactor thermostatic control, small temperature control system, steam - feeding system temperature control, material low temperature aging test.The thermostatic control of the combined chemical cold source heat source, the cooling heating of the semiconductor equipment and the heating temperature of the vacuum chamber are controlled.

Advantages and functions of temperature control system of refrigeration

Temperature range from 120 to 350, performance superior, unique, high - precision, intelligent temperature control.High cooling power from 0.5 to 1200kW, highest production stability and repeatable results.Multi-function alarm system and safety function, use plate heat exchanger, tube type heater to increase heating and cooling rate.7-inch and 10-inch color TFT touch screen graphics display, use magnetic drive pump, no re-seal leakage problem.Full airtight system, extended thermal conductivity liquid life, very wide temperature range, no need to change liquid media.Ultra-high temperature cooling technology can be cooled directly from 300 degrees of high temperature.The principle and the function has many advantages to using staff: because only expansion of cavity in the body heat conduction medium contact with oxygen in the air (and expansion tank temperature at room temperature to 60 degrees), can achieve lower heat conduction medium absorbed by oxidation and the risk of air moisture.No heat conduction medium evaporates at high temperature, and it can be achieved -80 ~ 190 degrees, -70 ~ 220 degrees, -88 ~ 170 degrees, -55 ~ 250 degrees, -30 ~ 300 degree continuous temperature control without pressurization.

Adopt full closed pipe design, adopt high efficiency plate heat exchanger, reducing the demand for heat conduction liquid, improve the heat utilization rate of the system, reach the rapid lifting temperature.Thermal conductive medium in a closed system, with a container, expand the heat-conducting medium not participate in circulation in the container, whether high or low temperatures, expansion tank temperature to room temperature to 60 degrees, can reduce the heat conduction medium in running the risk of absorbing the moisture and volatile.



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