Wuxi Guanya Refrigeration Technology co., ltd
SUNDI -40℃~200℃ For Two Reactors

SUNDI -40℃~200℃ For Two Reactors

  • SUNDI -40℃~200℃ For Two Reactors
  • Dynamic Temp Control Systems-1.jpg
SUNDI -40℃~200℃ For Two Reactors


  • Product Description
  • System Introduce
  • Technical Parameter
  • Knowledge Center

Display Function:
Cooling heating Temperature Control System Display – The Refrigeration system's multi-image displays various information.

Model SUNDI-425W-2T N
SUNDI-425-2T N
SUNDI-435W-2T N
SUNDI-435-2T N
SUNDI-455W-2T N
SUNDI-455-2T N
SUNDI-475W-2T N
SUNDI-475-2T N
SUNDI-4A10W-2T N
SUNDI-4A10-2T N
Temp. range -40℃~+200℃
Control Mode Feedback PID + Our special dynamic control calculation, PLC controller
Temp. control Process temp. control and jacket temp. control model   TWO  GROUPS
Temp. difference Set or control the temperature difference between jacket oil and raw material process  TWO  GROUPS
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)*2
Medium temp. acccuracy ±0.5℃
Material temp. accuracy ±1℃
Heating power kW 2.5*2 3.5*2 5.5*2 7.5*2 10*2
Cooling capacity
kW at  ℃
200℃ 2.5*2 3.5*2 5.5*2 7*2 10*2
100℃ 2.5*2 3.5*2 5.5*2 7*2 10*2
20℃ 2.5*2 3.5*2 5.5*2 7*2 10*2
0℃ 1.5*2 2.5*2 3.5*2 5*2 7.5*2
-20℃ 1*2 1.6*2 2.1*2 3*2 4*2
-35℃ 0.45*2 0.75*2 1*2 1.4*2 1.8*2
Circulation pump max
L/min bar
20*2 35*2 35*2 50*2 50*2
1.5 2 2 2 2
Compressor Tecumseh closed compressor Emerson copeland vortex flexible
Expansion valve Emerson thermal expansion valve/danfoss thermal expansion valve.
Evaporator DANFOSS/KAORI 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/R507C, optional: R448A
Connection size G3/4 G3/4 G3/4 G3/4 G1
Water-cooled type W(cooling water@20℃) 1200L/H
1.5bar~4bar
1400L/H
1.5bar~4bar
1700L/H
1.5bar~4bar
2100L/H
1.5bar~4bar
2500L/H
1.5bar~4bar
Dimension(water type)cm 55*95*170 70*100*175 70*100*175 80*120*185 100*150*185
Dimension(air type)cm 55*95*170 55*95*170 70*100*175 70*100*175 80*120*185
weight kg 240 285 345 385 480
power 380V 50HZ 220V  8kW 12kW 17.5kW 24kW 33kW
Production Workshop Real Map:



Typical Application Of Cooling Heating Temperature Control:


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.


How Does the Industrial Chiller Release Gas?

1. When air is released by air separator, the return value of the air separator should be placed in the normal open state to reduce the pressure of the air separator to the suction pressure, and the other valves should be closed.

2, Appropriately open mixed gas inlet valve to make the industrial cold water machine 40 ℃ ~ 200 ℃ below zero in mixed gases into the air separator.

3. Micro-open feed valve, so that the refrigerant is fed into the air separator to vaporize and absorb heat and cool the mixed gas.

4. The rubber hose used to connect the air vent valve interface enables one end to be inserted into the water container. When the refrigerant in the mixture is cooled into ammonia, the air separator is frosted at the bottom of the air separator, and the air valve can be opened slightly and the air is discharged through the water container. If the bubbles in the water rise in the process of the circular without the changing of volume, the water is clear and water temperature is not rising, then the air is released, at this time you should make the appropriate opening of the air valve.

5. The coolant in the mixture is gradually condensed into the coolant liquid and deposited at the bottom.The height of the liquid level can be seen from the frosting condition of the shell. When the liquid level reaches 12, close the supply throttle valve and open the return flow throttle valve. The underlying refrigerant liquid is returned to the air separator to cool the mixture. When the bottom layer is about to melt, turn off the return throttle valve to open the supply throttle valve.

6. When the air is stopped, the air valve should be closed first to prevent the coolant from leaking, and then the liquid throttle valve and the mixed gas inlet valve shall be closed. The return valve should not be closed to prevent increased pressure in the air release.
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