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Puli Instruments tells you the characteristics and technical parameter analysis of the closed heating circulator

Analysis of characteristics and technical parameters of closed heating circulator


  product description

  H series can perform cooling process from high temperature to 200 degrees to normal temperature. The copper tube aluminum fin heat exchanger is cooled by wind.


  Using pipeline design, the heat exchange area is large, the rate of heating and cooling is very fast, and the demand for heat transfer oil is relatively small.


   can achieve continuous heating and cooling.


   The entire cycle is airtight, no oil mist evaporates at high temperatures, and the heat transfer oil will not be oxidized and browned;

  With the function of correcting the internal circulation temperature probe PT100.

The liquid circulation of the entire system is airtight. The system is equipped with an expansion vessel. The expansion vessel and the liquid circulation are adiabatic and do not participate in the liquid circulation, but are only mechanically connected. Regardless of the high temperature of the liquid circulation, the medium in the expansion vessel Below 60 degrees.


  technical parameter




Model H-25 H-35 H-55 H-75 H-100

Medium temperature: room temperature +10 degrees to 200 degrees

Temperature control control Fuzzy PID adaptive controller

Temperature control Medium outlet temperature control

Temperature feedback Thermal media temperature feedback PT100

Control accuracy ±0.5℃ Control instrument outlet temperature

Heating power 2.5KW 3.5KW 5.5kw 7.5KW 10kw

Expansion tank volume 12L 12L 15L 15L 17L

Cooling method Cooling the high temperature liquid at 200 degrees through wind cooling

Cooling Heat Exchanger Copper Tube Aluminum Fin

Cooling control The controller is used to control the solenoid valve to introduce the liquid into the cooling heat exchanger to achieve cooling

Circulating pump flow and pressure Max25L/min 2BAR Max25L/min 2BAR Max35L/min 2BAR Max35L/min 2BAR Max50L/min 2BAR

Operation panel Display set temperature and measured temperature, touch key operation to input temperature

Safety protection It has self-diagnosis function; multiple safety protection functions such as overload relay, thermal protection device, phase sequence open-phase protection, circuit breaker, etc.

Closed circulation system The entire system is a fully closed system, there will be no oil mist at high temperatures, and the system will not increase the pressure due to high temperatures during operation.

Recommended medium: Heat transfer oil: when the temperature is 25 degrees, the viscosity is lower than 50cSt, the boiling point is higher than 220 degrees.

Interface size G1/2 G3/4 G3/4 G3/4 G3/4

Dimensions 400*600*1150 400*600*1150 400*600*1150 400*600*1150 400*600*1150

Weight 75KG 80kg 85kg 90kg 95kg

Power AC 220V 50HZ

3kW (max) AC 220V 50HZ

4kW (max) AC 380V 50HZ 6kW (max) AC 380V 50HZ 8kW (max) AC 380V 50HZ 11kW (max)

Shell material cold rolled plate sprayed


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