Pressure Reducing Valve



Whenever pressures are discovered to be over 80 psi, a Pressure Reducing Valve (P.R.V.) or similar mechanical regulator should be installed. The regulator will ensure that, beyond the point of installation, the water pressure will never exceed the safe limit.

Photo Courtesy of Watts Regulator Company

Photo Courtesy of Watts Regulator Company

Note: A Pressure Reducing Valve may negatively affect the performance of an irrigation system. Installing the regulator beyond the irrigation system’s tie into the water supply will prevent such problems. Also, when installing a P.R.V., the system becomes a “closed” system. Please see the Thermal Expansion section for more information.

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