The failure to do routine maintenance on a key gate valve in the Hetch Hetchy water system contributed to the crisis that briefly cut deliveries in half last month, San Francisco's top utility ...

External leaks from valves during valve cycling are common problems for plant operators around the world. These leaks can have disastrous consequences, contaminating the environment and endangering ...

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

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 ...