At the end of last month's column (November, p. 40), I promised that we would look at the bottom line results of retrofitting variable speed pumps on a sample project. As I explained previously, for ...

GREENVILLE, Ill. — Enertech Global, a manufacturer of ground-source and air-to-water heat pumps, has launched the WV, a variable-speed hydronic heat pump that the company says is engineered for ...

There’s a debate among commercial and industrial hydronic system designers: how best to refine and enhance pumping and system efficiency to precisely match output to load (need). Decades ago, ...

As the cost of components and pumps becomes more affordable, variable speed pumps are being used to increase the efficiency and reliability of water distribution systems in multi-story buildings.

To investigate the performance of engine cooling water pump in automobile with variable rotating speed, experimental tests and numerical simulation are carried out on an engine cooling water pump ...

Atlas Copco has announced a new breakthrough in the world of Liquid Ring Vacuum technology with the launch of its LRP 700-1000 VSD + range of intelligent liquid ring vacuum pumps. A huge departure ...