ST series RT+10 ~ +135°C Hot Water Heating Machine

Features of Heating Systems
- 1. Heat medium: saturated steam pressure: 0.5MPa and above, temperature: 158.8 ℃ and above
- 2. Hot water control temperature RT + 10 ℃ ~ 135 ℃
- 3. The process water is circularly heated by using the pipe type steam and water mixed heat exchanger;
- 4. The steam shall have low noise, no vibration and high thermal efficiency in the use of heat exchange process;
- 5. The service life of steam and water mixed heat exchanger is more than 15 years, so as to achieve once and for all;
- 6. The temperature of process hot water is constant without manual duty and fully automatic control.
Advantages of Heating Systems

Custom Explosion Proof Cabinet
Positive pressure cabinet is composed of positive pressure cavity and control cavity.
Positive pressure cavity is used for installing various of instrument or electronics which with non-explosion-proof.
The control cavity has explosion-proof control box and pressure control system.
The case material of positive pressure cabinet with 2~3mm Cold rolled steel sheet welding and the Air-duct with galvanized steel pipe.
Adopt bulkhead connector and tightening device for in&out of the cable.
There is a glass display in the front of door and display the information of instrument and indicator light.

Display Function
- Display all the kind of process control temperatures.
- Shows the liquid level of the heat conducting medium in the expansion vessel.
- Shows indication for refrigeration system working.
- Shows indication for heater working.
- Shows indication for circulation pump working.
- Display the temperature control.
- The temperature upper limit, lower limit control can be set.
- The temperature difference between jacket & reactor material can be set.
- Shows the alarm to add the liquid when it is empty.
- The refrigeration compressor can be set to operate manually or automatically.

Data Interface and Software
Standard configuration:
- PT100 temperature sensor input interface.
- USB export data interface.
- RS485 communication interface (MODBUS protocol).
- Alarm output
Optional:
- 4 ~ 20mA Input interface for temperature measurement.
- 4 ~ 20mA Input interface for setting temperature.
- Ethernet interface.
- RS232 communication interface (MODBUS protocol).
- Profibus-DP interface.
- Computer operation software (optional Ethernet interface).

Configuration Software (Optional)
All dynamic temperature control system can be connected with the computer.
You can install and record the picture of display on the computer via the configuration software.
- Communication distance less than 200m.
- Easily temperature setting.
- Real time control screen.
- Curve records.
- Program selection.
- Alarm screen recording.
Products Parameters
Noted: Can provide customized services all types of equipment. Please consult us for details.
Model | ST-25W | ST-38W | ST-60W | ST-100W | ST-200W | ST-300W |
Steam pressure | 4~6bar | |||||
Hot water temperature range | RT+10℃~135℃ | |||||
Temperature control accuracy | ±1℃ | ±1℃ | ±1℃ | ±1℃ | ±1℃ | ±1℃ |
Heat exchange capacity max | 25kw | 38kw | 60kw | 100kw | 200kw | 300kw |
Steam interface | DN20 PN10 | DN20 PN10 | DN20 PN10 | DN25 PN10 | DN32 PN10 | DN40 PN10 |
Pump flow | 110L/min 2.5bar | 200L/min 2.5bar max | 200L/min 2.5bar max | 250L/min 2.5bar max | 400L/min 2.5bar max | 600L/min 2.5bar max |
Hot water import and export | DN25 PN10 | DN32 PN10 | DN40 PN10 | DN50 PN10 | DN65PN10 | DN80 PN10 |
Drain port size | DN25 PN10 | DN32 PN10 | DN40 PN10 | DN50 PN10 | DN65 PN10 | DN80 PN10 |
Control System | Siemens S7-200PLC and modules Lneya Design Program | |||||
Display and input | 7-inch color touch screen,Temperature curve display, recording | |||||
Steam flow control | Through proportional control valve,4~20mA signal adjustment opening size | |||||
power supply 380V50HZ | 1.8kw | 2.5kw | 2.5kw | 4kw | 5.5kw | 7.5kw |
Dimensions | 700*800*1750 | 700*800*1750 | 1000*950*1750 | 1250*1000*2000 | 1500*1250*2050 | 2050*1450*2050 |
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