HOT OIL - TEMPERATURE CONTROL UNITS
THC-D SERIES (dual zone)
Hot oil temperature control units are usually used for applications requiring regulation of higher temperatures such as die casting,rubber, top press forming, printing, chemical process, etc.
Our THC-D dual zone units feature both heating and cooling and have an operating range of 140 - 570 ° F (60 - 300° C)
MAJOR BENEFITS AND FEATURES:
- More standard features than any other competitor
- Extremely competitive pricing
- PLC control with color HMI screen
- Job preset memory
- Heating and Cooling for maximum flexibility
- Solid, robust construction
- Durable flanged ball valves
- Increased operator safety
- Auto exhaust function
- Multi-stage adjustable heating
- Remote diagnostics/troubleshooting via the internet
- Sealed system which does not allow oil to oxidize
- Integrated fault alarm and signal
- Highly visible temperature reading from a distance
- Multi language operator interface
- Visible and audible alarms
- Auto syncing with machine process
- Automatic service schedule reminders
- Comprehensive I/O and fault screens
- Firmware updates
TECHNICAL OVERVIEW
A hot oil temperature control unit is engineered for applications that require precise, stable, and high‑temperature heating beyond the limits of water‑based systems. Using thermal oil as the heat‑transfer medium allows the unit to reach temperatures typically between 300°F and 550°F (150°C–290°C) without the pressure buildup associated with steam or water. This makes hot oil TCUs ideal for molding, extrusion, laminating, and industrial processes that demand consistent thermal performance. The closed‑loop design ensures uniform heat distribution, rapid temperature recovery, and excellent energy efficiency. For manufacturers working with high‑temperature resins, composites, or tooling, a hot oil TCU provides the reliability and control needed to maintain product quality and process stability.
Hot oil TCUs offer significant advantages when operating at temperatures above the safe limits of water‑based systems. Water boils at 212°F (100°C), requiring pressurization to reach higher temperatures — which increases risk and maintenance demands. Thermal oil, however, remains stable at much higher temperatures without requiring high‑pressure operation. This allows hot oil TCUs to deliver precise, consistent heating for molds, platens, rolls, and process equipment. They also provide superior thermal stability, reduced scaling, and longer fluid life compared to water systems. For processes that require elevated temperatures, tight control, and long‑term reliability, a hot oil TCU is the preferred solution.
A hot oil TCU delivers high‑temperature performance with exceptional stability and safety. Its closed‑loop design minimizes heat loss and ensures uniform temperature distribution across tooling or process surfaces. Many units include high‑efficiency heaters, precision temperature controllers, pump‑protection systems, and safety interlocks to prevent overheating or low‑flow conditions. Thermal oil provides excellent heat‑transfer characteristics and long service life, reducing maintenance and operating costs. Hot oil TCUs are widely used in molding, extrusion, laminating, and industrial heating applications where consistent, high‑temperature control is essential. The result is improved product quality, reduced cycle times, and reliable long‑term performance.
Applications of the Hot Oil Temperature Control Unit
Hot oil TCUs are widely used to heat injection molds, compression molds, and rubber tooling that require temperatures far above the limits of water‑based systems. Thermal oil provides stable, uniform heat distribution across the mold, improving part quality, reducing cycle variation, and preventing cold spots. This makes hot oil units ideal for engineering resins, thermosets, elastomers, and large molds that demand consistent high‑temperature performance.
Extrusion lines, calendering systems, and heated rolls rely on precise temperature control to maintain product thickness, surface finish, and material consistency. Hot oil TCUs deliver the high‑temperature stability needed to heat rolls, barrels, and dies without pressure‑related risks. Their ability to maintain tight temperature tolerances ensures smooth processing of plastics, rubber, adhesives, and composite materials.
Laminating and composite‑curing processes require uniform, high‑temperature heating to ensure proper bonding and material integrity. Hot oil TCUs provide consistent thermal energy to platens, presses, and curing fixtures, supporting applications such as panel production, engineered wood, aerospace composites, and multi‑layer laminates. The stable heat profile improves bond strength and reduces defects.
Many industrial processes require controlled heating of tanks, reactors, and vessels used for oils, adhesives, resins, waxes, and chemical mixtures. Hot oil TCUs deliver safe, high‑temperature heating without the pressure buildup associated with steam or water systems. Their closed‑loop design ensures efficient heat transfer, stable temperature control, and long‑term reliability in demanding production environments.
Frequently Asked Questions about Hot Oil Temperature Control Unit
A hot oil temperature control unit provides safe, stable heating at temperatures far above the limits of water‑based systems. Water must be pressurized to exceed 212°F (100°C), which increases risk and maintenance demands. Thermal oil, however, remains stable at much higher temperatures without requiring high‑pressure operation. This allows hot oil TCUs to deliver precise, consistent heat to molds, platens, rolls, and process equipment. They also resist scaling, corrosion, and mineral buildup, resulting in longer system life and more reliable temperature control.
Hot oil TCUs are ideal for any process requiring high‑temperature, uniform heating. Common applications include injection molding, compression molding, rubber processing, extrusion, calendering, laminating, composite curing, and heating of tanks or vessels. These processes rely on stable thermal performance to maintain product quality, reduce cycle variation, and prevent cold spots. Hot oil systems provide the temperature range and consistency needed for demanding materials such as engineering resins, thermosets, adhesives, and composite structures.
A hot oil TCU delivers uniform, controlled heat across tooling or process surfaces, eliminating temperature fluctuations that can cause defects. The closed‑loop design ensures rapid heat recovery, tight temperature tolerances, and consistent thermal energy throughout the production cycle. This stability improves part quality, reduces scrap, and enhances repeatability. For processes involving high‑temperature resins, adhesives, or composites, precise thermal control is essential for proper curing, bonding, and material performance.
Hot oil TCUs are designed with multiple safety systems to protect operators and equipment. Common features include over‑temperature protection, low‑flow shutdown, high‑efficiency pumps with thermal safeguards, leak‑detection sensors, and automatic heater cutoffs. The closed‑loop design minimizes exposure to hot fluid, while pressure‑relief systems prevent over‑pressurization. These safety measures ensure reliable operation even in high‑temperature environments and reduce the risk of equipment damage or unplanned downtime.
Yes — hot oil temperature control units are available to customers throughout the United States, Canada, and Mexico. Manufacturers across North America rely on these systems for high‑temperature molding, extrusion, laminating, and industrial heating applications. Regional availability ensures faster delivery, reliable technical support, and access to replacement parts. Units can be configured with various heating capacities, pump sizes, and control packages to match specific process requirements.