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New irrigation installation being installed thursday, any advice?

Discussion in 'Irrigation' started by ls3c6, Jul 17, 2012.


    Messages: 18,668

    Okay lets use 30 gpm
    With our aptly named Badger Meter at 1" there will be 2.5psi pressure loss at the meter.
    3/4" Badger meter the max they will measure it for is 25gpm to only have 2.5psi pressure loss would have one around 15gpm.

    Regardless though boots is correct that the 1" copper service is the limiting factor since 15gpm is the max one can use without exceeding 5fps
  2. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 50,527

    With modern 5/8~3/4 meters (the loss curve below is from a Badger 5/8~3/4 meter) there isn't any advantage gained by a switch to a one-inch meter, when there's a long run of copper upstream. The copper is the limiting factor, especially if you are going to pay attention to water velocity.



    Messages: 18,668

    Did I not agree with you in my last post? Did I not acknowledge the rightness of your mind? Do I need to grovel?

    Having said that I've seen some big increases in flow from swapping street meters. Especially if its one of those true 5/8 meters with the s copper on each side of it.
  4. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 50,527

    no groveling required - I never saw your post - I was working on making images from charts
  5. 1idejim

    1idejim LawnSite Fanatic
    Messages: 11,315

    This is an interesting topic so what is the max zone size for each meter?
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  6. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 50,527

    I saw enough 20 gpm systems fed from true 5/8 meters to know the meters can run at max speed and no worries
  7. ls3c6

    ls3c6 LawnSite Member
    from Midwest
    Messages: 112

    system is being installed as we speak, i suppose if i run each zone and it doesn't send water HEAD TO HEAD then i complain, until then we can only speculate :)
  8. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 50,527

    you call city hall and order them to raise the water pressure :realmad:
  9. AI Inc

    AI Inc LawnSite Fanatic
    Messages: 26,980

    Or take a walk downstairs and see if there is a PRV, if so , turn it up.
  10. bx24

    bx24 LawnSite Senior Member
    from MA/TX
    Messages: 503

    That is why I install heads 5 ft under max throw when I measure max PSI..I could do 33 easy but do 25 ft. Well worth it..Heads are cheap and keep customer happy.

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