Note: A brief author biography is included at the bottom of this page. It’s an up-to-date work on control valves that presents theoretical and practical information in an easy, conversational style, ...

Describe how these forces work in the positioning of closure components. Prepare equations required to determine an actuator (i.e. pneumatic, hydraulic, or electric) size based on piston or effective ...

It usually functions for 70 yr without failure, and works so efficiently ... then be required to close the valve. This action suggests a fluid dynamic control mechanism which positions the cusps ...

The valve works well, providing very fine control of the cylinder and excellent load holding, and there’s not a leak to be seen. Impressive. [TinC33] finishes the video with a tease of a design ...