Hoerbiger-Origa, Glendale Hts., Ill., has recently expanded its oscillating-valve product line to include an electrically actuated version. The new design combines advantages of standard solenoid ...

It’s true that a lot of the projects we feature here (and build ourselves) are created to accomplish some sort of goal. But, many times the project itself is the goal. That’s the case with [Proto_G’s] ...

An oscillating control valve may appear to be the source of control instability and repair efforts are usually focused only there. When this fails to solve the issue, further investigation often ...