The video below starts with a brief but clear explanation about how hydraulic circuits work, as well as an explanation of the rotary dual-action proportional valve he designed. All the parts are ...

Linear versus rotary, electric, pneumatic or hydraulic, here’s a look at the basics of the actuator component.

This online article, “ Guide to heavy-duty actuator springs and valves springs,” shows how springs in process valves and actuators are the “sil ...

While the original Wankel rotary engine ... as can hydraulic lifters if air gets trapped inside. Finally, a bent pushrod will also lead to improper valve operation and a ticking noise.

If you are interested in participating on ISA96, please contact ISA standards staff at +1 919-549-8411 or ISA Standards. The committee will develop standards and technical reports related to valve ...