Process Control Valves... 

Suction Control Improvement


Control the operating pressure on a compressor with a four-inch Kimray® suction pressure reducing valve and an Exlar® electric actuator


Oil & gas producer located in the East Texas Basin in Kilgore, Texas

The Challenge

The producer was using suction throttling for capacity control of a compressor from Exterran. The original control was through a high bleed high pressure control valve that was gas actuated. To better control the compressor at lower capacities, the producer needed better suction pressure accuracy, and preferred a solution that also eliminated all methane emissions. They wanted to keep the original Kimray valve, but eliminate the pneumatic actuator and controls.

The Solution

The existing four-inch high pressure Kimray valve was retrofitted with an Exlar® Tritex II™ actuator. The 12 VDC Tritex II was able to be placed onto the Kimray valve in the field in a short amount of time. A 4-20 mA signal from the Altronic compressor controls replaced the original pneumatic controller allowing precise position control by the new actuator. All pneumatic piping and regulators were also eliminated. While other electric actuators were considered, the Tritex II was chosen for its speed of response, high turndown capability, and its proven record in oil & gas production applications.

Integrated Drive Electronics

Quick Install

High Speed

Improved Product Output


The retrofit of a Tritex II electric actuator provided much better pressure ratio control of the compressor. In addition, all methane emissions were eliminated and the natural gas that used to be vented is now used put back into the revenue stream.

Ready for Take Off - FIA 2024

The resurgence of the aerospace industry after the COVID years appears to be...
Read Full Story

Olsen Actuators & Drives at Automate UK 2024

Last week the Olsen Actuators & Drives team attended Automate UK, 18th - 19th...
Read Full Story

2 Weeks until Automation UK 2024

The Olsen Actuators & Drives team is excited to be exhibiting at Automation UK...
Read Full Story

Celebrating 20 Years of Powering Your Machines Forward!

The Olsen Actuators & Drives team celebrated 20 years of business with a few...
Read Full Story

A Successful Space Comm Expo 2024

The Olsen Actuators & Drives team attended their second Space Comm Expo, 6th -...
Read Full Story

Olsen Actuators & Drives secures UK Space Agency funding for development of lunar rover drive system

Project will deliver Proof of Concept demonstrator for a jumping lunar rover...
Read Full Story

Olsen Actuators & Drives Joins The Airship Association

Olsen Actuators & Drives are pleased to announce they are now members of The...
Read Full Story

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