Isolation valves do the opposite. Normally, they operate at 100 percent open and have no throttling purpose, Pick said. They open to allow steam or feed water to flow through and pressure loss ...

A water tank off Sixth Avenue West spilled pure drinking water after a valve became stuck Tuesday. According to city of Bradenton public works director Jim McLellan, a valve that feeds the water ...

DUNKIRK — The Dunkirk Department of Public Works has installed isolation valves in a water main that broke Aug. 31, to stop future breaks from fouling up the entire system. A cast iron main on Lake ...