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 ...

[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons ... Instead of using a ball valve or other such contrivance to dump air directly ...

If you get drips of water coming through your pipes even with the main shutoff valve completely closed, it’s probably time to replace the shutoff with a new ball valve. It’s not complicated ...