New research may take the current 'gold standard' for heart valves to a new level of reliability. A team of researchers has developed a way to improve overall blood flow through the valves, so the ...

Scaling is one of the most frequently occurring problems in geothermal power plants and can prohibit the control of well flow if it builds in the well or wellhead. At HS Energy on the Reykjanes ...

Plug valves, also called cock or stop-cock valves or quarter-turn valves, date back to ancient times, where they were developed for use in citywide Roman plumbing systems. Today, they remain one of ...

Turbine bypass valves are one of the most difficult applications in a power plant. Keeping these valves operating efficiently and avoiding unexpected failures is critical for plant operation. When ...

Every medical device engineer likely has that one project that's both challenging and interesting enough to stick with them long after it's completed. For John Hayes, director of integrated systems at ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

• The first step in selecting a valve is determining its function. • Review Cv or pressure drop when considering one valve versus another. • Don’t overlook maintenance requirements when specifying a ...