Leybold has launched two compact rotary vane pumps – the SOGEVAC SV55 BI² and SV70 BI² – designed specifically for LC-MS and ...

Term Reliability Bethlehem, PA – Warren Controls, a manufacturer of control valves and specialty fluid handling products, ...

When an electric utility with a power plant in the southwestern U.S. prepared for a planned, major outage on its two Siemens ...

But aside from sealing, poppet valves don’t offer many advantages. Still, engineers kept pushing: better springs, VVT, and all kinds of breathing tricks: variable intake manifolds, forced induction, ...

Electric actuated ball valves, also known as motorized ball valves or rotary ball valves, are the most popular choice for ball valve automation.

Unlike piston engines, Rotary engines don’t require valves to run. Here’s how rotary engines work and why some designs have incorporated valves.

The rotary engine has no need for the likes of crankshafts, connecting rods or complex valvetrains. In fact, there’s no need for valves – the rotor takes care of the whole deal with a few ports.

The rotary engine isn't found very often these days, but the engine has played its own important role in the history of the automobile.