The error output from a control valve can come from a variety of sources: uncontrolled input pressure, uncontrolled input flow rate, inaccurate orifice size or turbulent flow through the system which causes irregularity of flow rates through the system.
February 23, 2015
During the 1990s, it was popular for municipalities around the world to enter into agreements with private contractors for water and wastewater treatment plants and services.
September 28, 2014
The Water Environment Federation’s Annual Technical Exhibition and Conference (WEFTEC), the largest water event in North America, is expected to beat records for exhibits and session attendance that were set in 2013.
September 16, 2014
In the U.S., regulations governing lead content of the components of potable water systems have seen considerable changes as safety restrictions tighten.
August 11, 2014
Anyone who plans, builds or operates water distribution systems attachs great importance to efficiency as well as the reliability of system components.
June 24, 2014
Giant livestock farms, which can house thousands of pigs, chickens or cows, produce vast amounts of manure—they can generate the waste equivalent of a small city.
April 12, 2014
Compression packing is found in applications ranging from transmission of natural gas and water to caustics and high-temperature steam.
January 22, 2014
America is the largest consumer of energy in the world—energy production is pivotal to the economy, balance of trade, deficits and domestic stability.
January 7, 2014
All water distribution systems have one thing in common: It takes energy to move water from one location to another.
December 2, 2013
To use the renewable energy of this cold water, Enwave Energy Corporation created Deep Lake Water Cooling, the world’s largest lake-source cooling system.
September 12, 2013
To pinpoint leak location and isolate areas of a pipeline for leak repair, utilities managers must know valve locations, how valves operate and the condition of those valves.
July 9, 2013
In November 2012, a valve was opened at the Chippawa end of the Niagara Tunnel Project, the third hydro tunnel under the city of Niagara Falls.
April 10, 2013
