Where I live, the water meters are out by the frontal property boundary and these regulators are never located there. They are most often close to the house near the point where the incoming water pipe enters.

pressure relief valve中文

Your pressure relief valve (let's stop using acronyms) is probably located on your water heater, it is actually a temperature/pressure relief valve. Sometimes a "pressure only" relief valve will be located on supply piping also. They are designed to open up and relieve pressure due to an unplanned temporary high pressure event, they both look something like this:

It is not your pressure relief valve (PRV), the PRV is there to protect your system from high pressure. It's not installed "in-line" where it could affect your water pressure unless it was open. When it opens it releases to atmosphere (or maybe a drain) but you would know because either you would see/hear water or have an astronomically high water bill.

Pressure reliefvalve

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prv是什么意思

The wide range of valves enables Hattersley to offer a variety of water pressure options to suit a number of different applications. These could include more demanding projects such as tall buildings like hotels and residential/commercial tower blocks.

My water pressure is only about 25 PSI both inside and outside. The water district told me they are supplying 115 PSI to the house and advised that my Pressure Release Valve (PRV) is probably broken. The problem is, I can't find it. It's supposed to be within 5 feet of my water meter, which is buried outside near the curb, about 20 feet from the house. The water district can't help me find it. It doesn't seem to be near the clean-out for my sewer lines. Any suggestions how to find the valve?

Regulatingvalve

A pressure regulator is different. It is designed to regulate (control) your water utility company pressure before that pressure can damage your plumbing. This is the device you need go find. It should look something like this:

Pressue Reducing Valves (PRVs) ensure that an appropriate and comfortable water usage pressure is available at all times. These valves enable the control of pressure from boosted cold water supplies to match site requirements.

What you should look for is a pressure regulator, which regulates the pressure delivered downstream. These are often located outside on the supply piping upstream of your house and most often have a pre-set delivery pressure (although the pressure on most can be manually adjusted). The regulator is also there to protect your home from high pressure.

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