The QuickSet venturi-style manual balance valves are available in sizes from 1/2 to 18 inches. QuickSet sizes from 1/2 to 2 inches are union ball valves equipped with venturi, graduated memory stop, ...

You've probably read this line a dozen times: "It's never been easier to make horsepower than right now." While that's true, it also means everything else in the engine is now more highly stressed.

Investing in balancing valves and regular monitoring is the way to get the best performance from variable speed pumps, says Peter Rees All HVAC systems should achieve two objectives: delivering the ...

Bypass pipes, accompanied by a three-way control valve, are often seen in hydronic systems at both served loads (e.g., reheat coils) as well as at primary equipment (e.g., cooling towers). Reasons for ...

THE thermionic valve has long been recognized as a useful tool in many branches of science and engineering; but few, with the exception of experimenters, have realized that it can be usefully applied ...