They used common household solenoid valves because they are easy to control by ... so variable flow is not possible. A challenge they encountered was equalizing the water pressure — one to ...

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 ...

Festo introduces its Controlled Pneumatics technology which features digital closed-loop control for applications ranging ...