They are installed on the main water line next to the shut off valve.
Water pressure reducing valve how it works.
Pressure reducing valves are devices that work directly to slow down the pressure of water flowing into your home.
There are two types of water pressure reducing valves direct acting and pilot operated which use globe or angle style bodies.
A water pressure regulator sometimes called a pressure reducing valve or prv is a specialized plumbing valve that reduces the water pressure coming into the home through the main water line.
The two valves can be purchased as a single factory produced unit.
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Water from the water main goes into the valve on one side.
Water which is being forced through the pipes at high pressure before the valve will be slowed down after the valve.
A pressure reducing regulator is a control valve that reduces the input pressure of a fluid or gases to a desired value at its output.
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The result is a control valve that performs very close to its design characteristic.
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These valves work by cutting down the amount of water which passes through a pipe.
Installed directly after the water meter in homes commercial buildings and manufacturing plants a water pressure reducing valve automatically reduces the pressure from the water supply main to a lower more sensible pressure.
It is a normally open valve and is installed upstream of pressure sensitive equipment.
One device which can help you to reduce the water pressure in your home is the water pressure reducing valve.
The pressure reducing valve effectively absorbs all changes in resistance due to the changes in flow volume δp and control valve position.