Process Control Valves... 

Exothermic Valve Control


Control of a three-way valve for cycling oxygen flow


Xothermic Inc., located in Apopka, Florida, provides automation and controls for industrial oxy-fuel combustion applications

The Challenge

Xothermic was using a stepper motor with a stepper drive to control the three-way valve. This valve controls the flow of oxygen between several ports which control flame movement in a specialized foundry burner application. Because the stepper drive utilized a Profibus network, the system required extensive use of CPU memory and restricted the deployment of different types of processors. To meet the customer’s requirements for retrofit installations, Xothermic needed an analog solution that would not limit the types of processors that could be used. Furthermore, this application required a high cycle rate and continuous operation. Xothermic needed a robust solution that could operate in these challenging conditions.

The Solution

Xothermic decided to purchase an Exlar Tritex rotary actuator to control the valve on this combustion application. James Nabors, owner of Xothermic stated, “the compact design of the RTM actuator allowed us to simply replace the stepper drive system with analog I/O and eliminate the restriction on processors.” The robust construction of the Tritex actuator allowed it to meet the high cycle rate and continuous operation requirements of this application. Xothermic was impressed by the simplicity of the Tritex software and the compact package size of the actuator.

Xothermic 3 way valve system with Exlar roatary unit


Exlar’s Tritex rotary actuator provides simple replacement for stepper motor for industrial oxy-fuel combustion applications.

  • Removed limitation on types of processors that could be used
  • Simple replacement of the stepper motor

Olsen Actuators & Drives awarded Cyber Essentials Plus

Olsen Actuators & Drives are delighted to announce the recertification of the...
Read Full Story

Visit to the UK Space Conference 2023, Belfast!

As members of UKSpace (the official trade association of the UK space...
Read Full Story

Griffon Hoverwork site visit

We were delighted to be able to visit one of our longest-serving customers in...
Read Full Story

Olsen join the British Gear Association!

We have joined the British Gear Association! THE BGA is the UK Centre of...
Read Full Story

10 years at DSEI for Olsen Actuators!

DSEI 2023 was our best yet and a great way to cap off a decade of attending...
Read Full Story

Featured in the DSEI 2023 Preview Brochure!

We are delighted to be featured in the Preview Brochure for the upcoming 2023...
Read Full Story

Prosecco in the Park!

Sci-Tech Daresbury is a fantastic place to work. The facilities and work that...
Read Full Story

LCR Grad Scheme - Meet the Employer

As we grow, our commitment to supporting the next generation of talented...
Read Full Story

Space Comm 2023

Olsen Actuators attended the Space Comm Expo at Farnborough International...
Read Full Story