Q: I had to turn off the water supply valve at the top of my water heater. So I turned it, but it kept on turning and turning without shutting off the water. A neighbor of mine said it is a gate valve ...

For many years, plant operators have battled with leakage problems, searching for valves which will isolate the flow and prevent leaks to the atmosphere, but are often left feeling frustrated and out ...

Maintaining valves throughout a plant’s lifetime helps to preserve optimal performance, minimize supply disruptions and ...