SUNDI -70℃~250℃

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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 SUNDI-735W	SUNDI-755 SUNDI-755W	SUNDI-775 SUNDI-775W	SUNDI-7A10W	SUNDI-7A15W
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 1.5bar~4bar	1200L/H 1.5bar~4bar	1800L/H 1.5bar~4bar	2300L/H 1.5bar~4bar	3200L/H 1.5bar~4bar	4500L/H 1.5bar~4bar
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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