There are many different kinds. -The most common are a 'float switch' which turns off as it rises, and a 'float rod' which is similar. They are not valves, they turnoff the electricity.
Back water valve
Only if the curb stop was manufactured with a drain built in. This type of valve is also known as a "Stop and Waste"
It's a valve that regulates the main water pipe.
Stop Valve Key
There should be shut off valve called an angle stop towards the floor on the left side of your toilet. If you shut this valve by turning it clockwise this will stop the feed of water to the tank of your toilet.A:Your float valve may be defective or worn out
Semi-Automatic espresso machines require the user to push a button to start and stop the water pump. Super-Automatic machines start and stop water on their own, and often grind the beans, self-clean and descale.
Install a tempering valve in water line feeding toilet. Tempering valve will mix hot and cold water together so warm water fills toilet tank which will stop condensation.
Check to see it the valve cover bolts are torqued to specs. If this does not stop the leak, the gasket needs replacing.
A Hydrostatic valve is basically a plug that stop water coming down out of the pool, but when the water pressure under the pool gets higher then the pressure in the pool it will let water into the pool from underneath in order to stop the pool from floating in ground water.
Does this happen when you come to a complete stop or while you are coming to a stop? Is this Truck Automatic or Standard? Brake booster could be something, Torque Converter Clutch Valve not disengaging(Automatic).
The fill valve (ball valve UK) is siezed or clogged. As the water level rises, the float-ball rises and closes the valve when the water reaches the proper level.
Any type of valve used to stop flow