
Circulation Heaters
Temprature control system is from +50℃ to +300℃. Temperatue control accuracy is ±0.5℃.
Circulation Heaters Overview
A circulation heater is a reliable and precise temperature control system used to deliver consistent heating to external applications. Designed for laboratories and industrial processes, it circulates a heated fluid to maintain optimal temperatures for reactions, testing, and other heat-dependent operations.

Circulation Heaters Characteristics
- LNEYA heating circulator adopts a fully closed circulation system and is equipped with a variety of safety protection devices. Cold rolled plate sprayed plastic shell. PID adaptive controller.
- The accessories of the heating system are all internationally renowned brands. The equipment has self-diagnosis function and alarm systems.
- LNEYA recirculation heater uses Siemens brand color touch screen, and the temperature curve is displayed at a glance. Support data export.
- LNEYA reciirculating heater chiller supports customized design, and SUS304 stainless steel shell can be selected.

Customized Solutions
We have more than 30 years of design and manufacturing experience in the field of temperature control, supporting a full range of customized designs, from small mini machines to industrial large equipment.
Email: lilia@lneya.com
Phone / WhatsApp / WeChat: +86-18906195231
Circulation Heaters Specification
| Model | LY-5020 | LY-A020 | UC-5020 | UC-A1020 | UC-A1520 | |
| Medium temperature range | +50℃~+170℃ | |||||
| Temperature Control Accuracy | ±0.5℃ | |||||
| Heating power | 5.5kW | 10kW | 5.5kW | 10kW | 15kW | |
| Cooling capacity | 170℃ | 5.5kW | 10kW | 15kW | ||
| 100℃ | 4kW | 8kW | 12kW | |||
| 65℃ | 1.8kW | 3.4kW | 5kW | |||
| Circulation pump flow, pressure Max | 35L/min 1.5BAR | 50L/min 1.5BAR | 35L/min 1.5BAR | 50L/min 1.5BAR | 50L/min 1.5BAR | |
| Connection size | ZG3/4 | ZG3/4 | ZG3/4 | ZG3/4 | ZG1 | |
| Dimensions cm | 40*70*130 | 40*70*130 | 40*70*130 | 40*70*130 | 70*100*175 | |
| Weight | 70kg | 80kg | 78kg | 128kg | 170kg | |
| Power max | 5.9kW | 10.8kW | 6kW | 10.9kW | 15.7kW | |
| AC 380V 50HZ | ||||||
| Optional | Optional 7-inch color touch screen, record temperature curve, data export in excel format | |||||
| Optional | SUS304 shell | |||||
| Optional | Optional external touch screen controller, communication line distance 10m | |||||
| Optional | Optional explosion-proof touch screen control system (ExdeIIBT4), communication line distance 15m | |||||
| Optional power supply | 220V 60HZ three-phase, 440V~480V 60HZ three-phase | |||||
| Model | UC-3530 | UC-5530 | UC-7530 | UC-A1030 | UC-A1530 | UC-A2530 | UC-A3830 | UC-A6030 | UC-A9530 | UC-A13030 | |
| Temperature range | 50℃~300℃ | ||||||||||
| Temp. accuracy | ±0.5℃ | ||||||||||
| Heating power | 3.5kW | 5.5kW | 7.5kW | 10kW | 15kW | 25kW | 38kW | 60kW | 95kW | 130kW | |
| Cooling capacity | 300℃ | 3.5kW | 5.5kW | 7.5kW | 10kW | 15kW | 25kW | 38kW | 60kW | 95kW | 130kW |
| 200℃ | 3.5kW | 5..5kW | 7.5kW | 10kW | 13kW | 25kW | 38kW | 60kW | 95kW | 130kW | |
| 100℃ | 2.8kW | 4kW | 5kW | 7kW | 12kW | 20kW | 30kW | 48kW | 76kW | 100kW | |
| 65℃ | 1kW | 1.8kW | 2.2kW | 3kW | 5kW | 8.5kW | 12kW | 19kW | 30kW | 40kW | |
| Circulation pump | Max35L/min 1.2BAR | Max35L/min 1.2BAR | Max50L/min 1.2BAR | Max50L/min 1.2BAR | Max110L/min 1.5BAR | Max150L/min 1.5BAR | Max200L/min 1.5BAR | Max250L/min 2.5BAR | Max400L/min 2.5BAR | Max400L/min 2.5BAR | |
| Connection size | ZG3/4 | ZG3/4 | ZG1 | ZG1 | ZG1 | DN32 PN10 | DN40 PN10 | DN40 PN10 | DN50 PN10 | DN50 PN10 | |
| Dimensions cm | 40*70*130 | 40*70*130 | 45*70*160 | 45*70*160 | 70*100*175 | 70*100*175 | 80*100*185 | 150*100*185 | 200*145*205 | 200*145*205 | |
| Weight kg | 95 | 110 | 120 | 160 | 195 | 265 | 395 | 615 | 1220 | 1400 | |
| Power | 5KW | 7KW | 9KW | 12kw | 17kw | 28kw | 41kw | 65kw | 101kw | 136kw | |
| Optional | Optional 7-inch color touch screen,recording temperature curve,data export using excel format | ||||||||||
| Optional | SUS304 shell | ||||||||||
| Optional | Optional external touch screen controller,communication line distance 10m | ||||||||||
| Optional | Optional explosion-proof touch screen control system(ExdeIIBT4),communication line distance 10m | ||||||||||
| Optional power | 220V 60HZ three phase,440V~480V 60HZ three phase | ||||||||||
Circulation Heaters
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Our professional technical engineer is waiting for your message to create the perfect product for you.
Email: lilia@lneya.com
Phone / WhatsApp / WeChat: +86-18906195231



Circulation Heaters Advantages
- High efficiency and energy saving: Compared with traditional heating methods, LNEYA circulating heaters can achieve efficient use of heat and reduce energy consumption. Its closed-loop circulation system reduces heat loss, significantly improves heating efficiency, and helps reduce production costs.
- Accurate temperature control: The built-in high-precision temperature controller can monitor and adjust the fluid temperature in real time to ensure that the temperature in the reactor is stable within the set range, which is particularly important for chemical reactions that require precise temperature control.
- High safety: High temperature circulators usually adopt explosion-proof and anti-corrosion designs, and are equipped with multiple safety protection devices (such as over-temperature protection, pressure protection, etc.) to effectively prevent safety accidents caused by improper heating.
- Easy maintenance: The modular design makes it easy to disassemble and replace the various components of the circulation heaters, reducing the difficulty and cost of maintenance. At the same time, the intelligent fault diagnosis system can quickly locate problems and shorten maintenance time.
- Multifunctional design: LNEYA heating circulators support heating with multiple media, and can select the appropriate heat transfer medium according to actual needs to meet the needs of different temperature ranges and reaction conditions.

Circulation Heaters Importance
Circulation heaters are versatile thermal devices used across industries to heat flowing fluids such as water, oils, solvents, and gases. Their applications span chemical processing, oil & gas and laboratories, providing precise, efficient, and safe heating for both low- and high-temperature operations.
- In many fields such as chemical, pharmaceuticals, new material research and development, and laboratory research, the reactor is a core equipment, and its performance stability and operating efficiency directly affect the success of the experiment and the quality of the product.
- As an important auxiliary system, LNEYA reactor cooling system has a unique high temperature cycle capability and rapid temperature rise and fall characteristics. This equipment helps improving experimental efficiency and ensures process accuracy.
- Accurate temperature control: LNEYA refrigerated heating circulators can precisely control the medium temperature at ±0.5℃. It can provide a stable temperature environment for the process. It is very suitable for those scenarios that require high temperature control accuracy.
- Uniform heat distribution: LNEYA circulation heaters can continuously and uniformly transfer heat to the heat-conducting medium without the problem of excessive local temperature differences.

Circulation Heaters Applications
With excellent temperature control accuracy (±0.5℃) and wide temperature control range (+50℃ ~ +300℃), our recirculating heaters have been widely used in industries that need to provide a stable and accurate heat source, such as pharmaceutical, chemical, semiconductor, new energy, aerospace, research laboratories and so on. The following are some typical application scenarios:
- Maintaining the consistency of experimental temperature
- Accelerating chemical reactions
- Controlling the temperature of microbial cultivation
- High-temperature testing and aging testing of materials
- Dissolution testing in pharmaceutical research and development
- Temperature control in material testing
- DNA amplification and PCR in genetic research
Why Choose Us?
LNEYA is a professional temperature control company. We are dedicated to providing perfect temperature control solutions for the material test, pharmaceutical and chemical, aerospace, new energy and semiconductor manufacturing, biomedicine and other fields.
LNEYA pharmaceutical temperature control unit (TCU) has passed CE and ISO certifications. It is based on the internationally advanced process control system SIMATICS 3. It refers to the new version of the GMP pharmaceutical production quality management specification. LNEYA always adheres to the concept that product quality is the life of the enterprise. We adopt the comprehensive quality management policy. We strive to improve the market competitiveness of its products. We put your interests first and continue to create greater value for you.
The temperature control range covers -180℃ to +350℃, and the accuracy of key scenarios reaches ±0.1℃. This meets the strict requirements of semiconductor, pharmaceutical and chemical industries for extreme temperature and stability. Its self-developed model-free self-building algorithm and anti-hysteresis cascade algorithm can accurately control the temperature of the reactor material (±1℃) to ensure process repeatability.


Your Premium Circulation Heaters Manufacturer
We have agents in many countries around the world,
such as: United States, Russia, Australia, France, Netherlands, Sweden, Israel,
Czech Republic, Malaysia, Singapore, Indonesia, Thailand, South Korea, India, etc.
PRODUCTION PROCESS


Contact Us Now
We are happy to provide you with a free temperature control solution
Email: lilia@lneya.com
Phone / WhatsApp / WeChat: +86-18906195231
FAQ

A heating circulator is a reliable and precise temperature control system used to deliver consistent heating to external applications. Designed for laboratories and industrial processes, it circulates a heated fluid to maintain optimal temperatures for reactions, testing, and other heat-dependent operations.
Yes, we have UL, SGS, CE, ISO and other related certifications.
You can fill out the contact form or send an email to lilia@lneya.com, and our professional engineers will check your temperature control requirements and solution with you within half an hour.
LNEYA Thermo Refrigeration Co.,Ltd.








