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  1. Control Valve Handbook - Emerson US

    Control Valve Types & Actuators. A summary of popular control valve types in use today, this chapter discusses the various forms of each control valve type available and its use cases. …

  2. Control Valve Actuators | Basic Principles of Control Valves and ...

    The purpose of a control valve actuator is to provide the motive force to operate a valve mechanism. Both sliding-stem and rotary control valves enjoy the same selection of actuators: …

  3. Valve actuator - Wikipedia

    Electric actuator (blue cylinder) on a valve in a power plant. A black handwheel is visible on the actuator, which allows manual positioning of the valve. The blue valve body is visible in-line …

  4. 11 Valve Actuator Types: Working Principles & Industrial …

    Dec 30, 2025 · Learn about 11 valve actuator types, their working principles, power sources, and common industrial applications in oil & gas, water, HVAC, and process plants

  5. Understanding Control Valve Actuators: Types, Mechanisms, and ...

    Jun 22, 2025 · At the heart of this system lies an unsung hero – the control valve actuator. These sophisticated devices are crucial for regulating the flow of fluids, ensuring optimal …

  6. Types of Valve Actuators : A Complete Guide in 2025

    May 10, 2025 · What Is a Valve Actuator? A valve actuator is a device that is used to operate a valve, either by moving it to an open or closed position or adjusting it to control flow levels. …

  7. Control Valve Actuators and Positioners | Spirax Sarco

    Control valves need actuators to operate. This tutorial briefly discusses the differences between electric and pneumatic actuators, the relationship between direct acting and reverse acting …

  8. Valve Actuator Selection Guide for 2025 - Cowan Dynamics

    Instead of relying on hand-operated mechanisms, automated valve solutions, such as using a valve actuator, are used to efficiently position and control valves.

  9. Control Valve Actuator Sizing and Valve Action Selection

    Globe valves, such as the Dwyer Series 2000VA/ 3000WA Hi-Flow™ Control Valve, are a very common type of control valve. The Dwyer Hi-Flow™ Series control valves have pneumatic …

  10. Valve Actuators Selection Guide: Types, Features, Applications

    There are two basic operating styles for valve actuators. Start/stop valves, also known as on/off or isolating devices, limit actuator motion to preset open and closed positions. Throttling or …