Pressure Reducing Valves

Water Pressure Reducing Valve

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The Pressure-Reducing valve or "Feed" Valve

The pressure-reducing valve or "feed" valve’s job is to fill the system with water and to keep that water under a few pounds of pressure at the top floor. Your job is to figure out how much pressure you need in the basement to push the water up to the top of the system and hold it there under pressure.

There are two types of water pressure reducing valves,

direct acting pressure reducing valves and pilot operated pressure reducing valves.

Both direct acting pressure reducing valves and pilot operated pressure reducing valves use globe or angle style bodies. pressure reducing valves used on smaller piping diameter units are cast from brass; larger piping diameter units are made from ductile iron. Direct acting pressure reducing valves, the more popular type of a water pressure reducing valves, consist of globe-type bodies with a spring-loaded, heat-resistant diaphragm connected to the outlet of the valve that acts upon a spring. This spring holds a pre-set tension on the valve seat installed with a pressure equalizing mechanism for precise water pressure control. ^Pressurereducingvalves