For any new engineer involved in process control, beginner valve technician, sales or service professional or newbie to the valve industry, here is a helpful 7 minute video on how scotch yoke valve actuators are designed and constructed.
While this video outlines how ROTEX Controls builds their actuators, the video gives you a good general idea of the construction and major components.
ROTEX is a a recognized worldwide leader in manufacturer of valves actuators and valve accessories.
What is a Scotch Yoke Pneumatic Valve Actuator?According to Wikipedia, "The Scotch yoke is a mechanism for converting the linear motion of a slider into rotational motion or vice-versa. The piston or other reciprocating part is directly coupled to a sliding yoke with…Read More
What is a Rack & Pinion Actuator?According to Wikipedia, "A rack and pinion is a type of linear actuator that comprises a pair of gears which convert rotational motion into linear motion. A circular gear called "the pinion" engages teeth on a linear "gear" b…Read More
Advanced Scotch Yoke Design Increases Service LifeROTEX recently replaced some old "orange" scotch yoke actuators with the DRS series. The customer is a major international producer and marketer of food and agricultural products. The "orange" actuators were experiencin…Read More
Fire-Safe Scotch-Yoke Actuators with 3 Second OperationCritical Service Valves withROTEX DRS Scotch YokeA Central American power generation company needed 10" and 16", Class 900, triple-offset, critical service butterfly valves to operate flawlessly and quickly in the event of fi…Read More