If you look under the kitchen sink, you should see a hot and cold water line with a small angle stop isolation valve on each ...

There are many methods of sealing valve stems on control and isolation valves. When chosen carefully, a valve stem seal provides years of reliable service, reduces environmental emissions, and ...

TEPCO’S plan was to open an isolation valve, insert a simple “fishing rod-type device,” and move it on a path toward the reactor containment vessel via remote control. Once in the ...