Pneumatic Actuators | Emerson US
Emerson's pneumatic actuators provide reliable valve automation for a variety of control applications. Learn more about these fluid control devices.
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 terminology, and how this affects a valve's controlling influence.
Actuated Valves | Built. Tested. Shipped. Same Day. | Valworx
Pneumatic Valve Actuators. Air actuators are used to automatically operate quarter-turn ball and butterfly valves. Actuation is achieved by compressed air pushing against a pair of opposing pistons.
Pneumatic Valve Actuators Selection Guide: Types, Features ...
Pneumatic valve actuators adjust valve position by converting air pressure into linear or rotary motion. There are two main forms: the piston actuators and diaphragm actuators. Piston actuators are used when the stroke of a diaphragm actuator would be too short or the thrust is too small.
Actuators | Emerson US
Emerson offers the largest portfolio of actuators and their associated control products available on the market today. From stand-alone actuators to turnkey valve operating system (VOS) control packages to our global service network, we have options to …
Products - Pneumatic Actuators|Emerson
Pneumatic Actuators. Filters. Filter by: Brands. Product Type. Industry. Actuation. Power Source. Control Type. Valve Type. Certifications. Operating Temperature. 1-23 of 9,219 results in Products. Sort by: Recommended A-Z Z-A Brand. Bettis G-Series Pneumatic Valve Actuator. View Details. Learn About. Contact Sales. Compare.
Pneumatic Control Valve Actuators | Instrumentation Tools
Pneumatic Control Valve Actuators. The operation of a control valve involves positioning its movable part (the plug, ball or vane) relative to the stationary seat of the valve. The purpose of the valve actuator is to accurately locate the valve plug in a position dictated by the control signal.