Anyone could have bought an off-the-shelf solenoid valve, not [Valentin], he designed his own. It is simple and just pinches the water supply tube to stop the flow of water coming from the ...

In chemical-dosing applications such as industrial processes and municipal water treatment, operators are faced with a number ...

The microswitch—a tiny button that starts the water flow—can also be a problem source. Pushing the microswitch activates a ...