A single power plant uses hundreds of valves to control almost every aspect of its operation. Valves, in conjunction with a controlling actuator, are used for pollution control, feed water, cooling ...

Due to historical engineering decisions made many decades ago, a great many irrigation systems rely on solenoid valves that operate on 24 volts AC. This can be inconvenient if you’re trying to ...

Recently published research shows a medical device may be beneficial for patients who have previously had a stroke and are planning to undergo a transcatheter aortic valve replacement, a type of heart ...

Main steam and feed water isolation valves are an important part of nuclear power plants and the demand for them is expected to increase over the next 10 years. There are two kinds of valves used in ...

Video graphics show how the procedure places a new valve in the heart A GRANDMOTHER has become the first person in the UK to have a “miracle” new heart valve replacement operation. Rosalind Walsh, 79, ...