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 ...
The Altoona Water Authority recently saved an estimated $50,000 by having its own employees instead of a contractor replace a sanitary-storm sewer “pinch valve” located outside the left field ...
Committee will create standards on face-to-face dimensions for the various types of control valves as defined in ANSI/ISA-75.05.01-2000 (R2005), Control Valve Terminology, with the exception of clamp ...