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SUNDI -70℃~250℃
SUNDI -70℃~250℃
SUNDI -70℃~250℃
SUNDI -70℃~250℃
SUNDI -70℃~250℃

SUNDI -70℃~250℃

Water-cooled chiller&Air-cooled chiller
  • Cooling capacity0.4kW~15kW
  • Heating Power2.5kW~15kW
  • Power range5.2kW~28kW
  • Medium accuracy±0.5℃
  • Material accuracy±1℃
  • RefrigerantR404A/R23
  • Weight190KG~420KG

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Product Description

● Working temperatures from -120°C to +350°C
● Previously unachievable performance
●Intelligent temperature control
● Maximum process stability and reproducibility
● Adop plate heat exchager, Pipeline heating, the fastest heating and cooling rates.
● High cooling power from 0.5 to 1200kW
● Large temperature range without fluid change
● Closed system, extend thermal fluid lifetime
● 7-inch, 10-inch color TFT touch screen display
● Comprehensive warning and safety functions
● Rapid cooling down from high temperature (from 300 °C)
● Use magnetic drive pump, solve the circulation pump leakage

Configuration Details

Model SUNDI-725W SUNDI-735
Temp. range -70℃~+250℃
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 5 programs, each program can edit 40 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 2.5 3.5 5.5 7.5 10 15
Cooling capacity kW at 250℃ 2.5 3.5 5.5 7.5 10 15
100℃ 2.5 3.5 5.5 7.5 10 15
20℃ 2.5 3.5 5.5 7.5 10 15
-60℃ 0.4 0.55 0.75 0.9 1.2 2.8
Circulation pump max
L/min bar
20 35 35 50 60 110
    1.2 1.2 1.2 1.2 1.5 1.5
Pump LNEYA magnetic drive pump
Compressor Tecumseh Dorin
Expansion valve Electronic expansion valve
Evaporator Plate heat exchanger
Operation Panel 7-inch touch screen,show temp curve\EXCEL 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
Connection size ZG1/2 ZG3/4 ZG3/4 ZG1 ZG1 ZG1
Water-cooled type W(cooling water@20℃) 900L/H
Dimension cm 55*70*175 55*70*175 65*85*185 65*85*185 70*85*185 80*120*185
Weight kg 190 275 320 370 370 420
Power 380V 50HZ 220V 5.8kW 8kW 11kW 14kW 19kW 28kW

Working Principle

Ultra high temperature cooling technology can directly cool from a high temperature of 300℃[because only the heat transfer medium in the expansion chamber contacts with oxygen in the air (and the temperature of the expansion tank is between normal temperature and 60℃), which can reduce the risk of heat transfer medium being oxidized and absorbing water in the air. At high temperature, no heat conducting medium evaporates, and continuous temperature control of – 80℃ ~ 190℃, – 70℃ ~ 220℃, – 88℃ ~ 170℃, – 55℃ ~ 250℃ and – 30℃ ~ 300℃ can be realized without pressurization.

Application: Various Reactors (Microchannels, Glass, Jacketed Reactors, etc.), Distillation or Extraction System, Laboratory, University, Research Institute, Aerospace, Automotive Industry, Semiconductor and Electrical Test, Chemical, Pharmaceutical, Petrochemical, Biochemical, Medical, Hospital, R&D Workshop, Aerospace, Biological and Other Industries.

Displays Various Information:

1. Displays all the kind of process control temperatures.
2. Shows the liquid level of the heat conducting medium in the expansion vessel.
3. Shows indication for refrigeration system working.
4. Shows indication for heater working.
5. Shows indication for circulation pump working.
6. Displays the temp. control ( materials temp. control pattern, heat conducting medium temp. control ).
7. The temp. upper limit, lower limit control can be set.
8. The temp. difference between jacket & reactor material can be set.
9. Shows the alarm to add the liquid when it is empty.
10. The refrigeration compressor can be set to operate manuallyor automatically.

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