Build a new drain valve with a 3/4-inch full-port brass ball valve with threaded ends, a 3-inch x 3/4-inch galvanized nipple and a 3/4-inch MIP x G.H. garden hose adapter (one choice is the ...

You probably have a 3/4-in. pipe leading to and from the leaky valve. Buy a threaded replacement ball valve; it’s a far better choice than the older gate-style valve.

Full-bore ball valves (FBBVs) in the full-open position present some challenges. ... Where d = inside pipe diameter (or in this case ball valve diameter). This analytical method does not include the ...

Acclaimed heart surgeon Professor Sir Magdi Yacoub is spearheading a revolutionary new project in the UK that will soon allow patients to be given new heart valves that naturally grow inside their ...

Last week, Valve announced that 65 million people were now active users of Steam, its gaming umbrella service for personal computers.That's a number on par with the installed bases of Xbox 360 and ...