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A Practical Guide to Upgrading Control Valves with the Synergy Series

Learn how to identify control instability, reduce variability, and decide when digital control delivers real operational gains.

Inconsistent setpoints, drifting temperatures, and widening process windows aren’t always signs of failing equipment. More often, they point to unmeasured control instability hiding inside legacy pneumatic valve systems.

This practical guide helps operations, maintenance, and engineering leaders understand when valve performance becomes a bottleneck and when a digital upgrade makes sense.

What You’ll Learn in This Guide

Is Control Variability Limiting Your Process?

This guide is designed for teams experiencing challenges like:

  • Frequent manual setpoint adjustments

  • Process overshoot or slow stabilization

  • Widened cure times or safety margins

  • Inconsistent results between identical runs

  • Rising valve maintenance and recalibration cycles

If any of these sound familiar, the issue may not be wear, it may be control design.

mockup of A Practical Guide to Upgrading Control Valves with the Synergy Series
Synergy Series control valve with a digital interface

Why Digital Control Changes the Equation

Digital control valves eliminate the mechanical inconsistencies inherent in pneumatic systems. With closed-loop feedback and intelligent actuation, they deliver:

  • Stable, repeatable control

  • Faster response and reduced dead time

  • Elimination of stick-slip and hysteresis

  • Improved consistency across shifts and cycles

The Synergy Series pairs Durbin’s proven valve design with modern digital control to deliver measurable, real-world performance improvements.

Download the Guide

Get a practical, application-focused framework to evaluate your current valves and determine whether a digital upgrade is the right next step for your operation.