An example of the latter is offered by Crane, which suggests using the loss coefficient model: The conversion to flow coefficient C is given by the derived equation Where d = inside pipe diameter (or ...

There’s usually an oil-impregnated leather sealing washer inside the coupling. You probably have a 3/4-in. pipe leading to and from the leaky valve. Buy a threaded replacement ball valve ...

[Ben] created a piston valve for this cannon that can be built with parts sourced from your local home supply store. Anyone can build this thing, and everyone should. Instead of using a ball valve ...