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-   -   Regulator (https://www.askmehelpdesk.com/showthread.php?t=102867)

  • Jun 20, 2007, 10:59 AM
    esquire1
    Regulator
    On city water. House is 4 years old. Hoe can I increase water pressure at regulator? It has a tag on it say is is set at std. with range of 25-75. Do I lossen nut and turn srew ccw? Thanks
  • Jun 20, 2007, 03:32 PM
    speedball1
    As a rule You turn the adjusting screw down to reduce pressure and up to increase pressure. Good luck, Tom
  • Jun 20, 2007, 05:23 PM
    iamgrowler
    Quote:

    Originally Posted by esquire1
    On city water. House is 4 years old. Hoe can I increase water pressure at regulator? It has a tag on it say is is set at std. with range of 25-75. Do I lossen nut and turn srew ccw? thanks

    Turn the bolt in to the regulator to increase the pressure -- Out to reduce it.

    And be sure to snug up the nut when you are through to prevent the seats from chattering.
  • Jun 21, 2007, 04:37 AM
    speedball1
    Perhaps we're talking about two different types of PVC valves Growler.
    . "If the adjustment collar is turned in the direction to reduce the compressed height of the springs, the spring load is increased, and the load produced by the piston is counteracted. The piston “diameter” is effectively reduced, and the valve pressure reduction ratio is decreased. The opposite effect is achieved by turning the adjustment collar to increase the spring height."
    This means to me that increasing the spring tension reducing pressure and reducing spring tension increases it. We don't have all that many PRV valves in our area but this is what I pulled off the net. Regards, Tom
  • Jun 21, 2007, 05:48 AM
    iamgrowler
    Quote:

    Originally Posted by speedball1
    Perhaps we're talking about two differant types of PVC valves Growler.
    . "If the adjustment collar is turned in the direction to reduce the compressed height of the springs, the spring load is increased, and the load produced by the piston is counteracted. The piston “diameter” is effectively reduced, and the valve pressure reduction ratio is decreased. The opposite effect is achieved by turning the adjustment collar to increase the spring height."
    This means to me that increasing the spring tension reducing pressure and reducing spring tension increases it. We don't have all that many PRV valves in our area but this is what i pulled off the net. Regards, Tom

    If your description goes with the photo, then you're talking about a different animal altogether, Tom.

    Your photo is of a cast wheeled Pressure Reducing Valve for larger sized (8" to 20") flanged water mains.

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