Sounds almost like an old fashioned synthetic heart valve, called the Ball and Cage. It's a one way valve.

A solenoid valve installed in the liquid line as close to the evaporator as possible, in conjunction with a narrow differential thermostat, is an excellent temperature control.

This article is simply here to create awareness of solenoid valves being manufacturered that comply with WRAS and are readily available within the market place.

An automotive fluid control system with pressure balanced solenoid valve and fluid mixing housing is disclosed.

The white paper taps the expertise of manufacturers at the forefront of low-power solenoid valve technology.

A solenoid valve would be operated by a water level sensor or a float switch. Similarly, the float switch is in the top of the tank, and it opens the valve when the level drops, closes it when the flo

A solenoid valve is an electrically actuated on/off valve. The come in two way, three way, and other configurations.

The new valve is ideal for process applications in the refining, upstream oil and gas, chemical, pharmaceutical, food and beverage, and power generation industries.