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Thread: RO Intake and Output Tube Lengths

  1. #1
    Join Date
    Mar 2019
    Location
    CT
    Posts
    76

    Default RO Intake and Output Tube Lengths

    Hey All,

    Just starting to plan out the new system...
    I've built a 4 membrane RO similar to the RO Bucket with an Aquatec 8852.
    I'm wondering how long the feed and output lines can be.
    I'd like to keep my holding tank and head tank about 25' apart, with the RO in the middle.
    Should I be worried about 15' of supply and 15' of output line on my small RO?

    Thanks,

    Bryan
    2020 - 70ish taps on shurflo 4008, 10 taps on buckets. Mason 2x4 XL. DIY R.O.
    2019 - First Season with a Late Start. 10 taps on buckets, block arch and 2.5 gallons of syrup.
    ______________________________________________
    Trout Brook Valley
    Weston, CT

  2. #2
    Join Date
    Mar 2015
    Location
    Peoria, IL
    Posts
    576

    Default

    Easiest for the pump would be short intake and long output. I would put the RO next to your collection tank. Harder for most pumps to pull a long ways than push a long ways.
    2020 - 210 taps 3/16 shurflo, upgraded hp pump on RO
    2019 - 150 taps 3/16 shurflo, Deer Run 125 dolly RO - 73 gallons
    2018 - 120 taps 3/16 hybrid (shurflo), 2x6 raised flue w/hood, homemade arch w/ AUF & AOF - 34.5 gallons
    2017 - 60 taps 3/16 gravity, oil tank arck w/ steam pans - 12.5 gallons

  3. #3
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    10,080

    Default

    Another thing that helps is if the suction line is one size larger, I learned that when I grew commercial strawberries. The irrigation pump was a 3" fire pump Then the suction line from the pond was 4"x20'. That gave me far better flow than a 3" x20' did.
    If you place the RO within 2-3 feet of the sap supply tank I wouldn't worry, if you need it 15' away, use 1 size larger diameter and no elbows near the pump.
    Dave Klish about 1320 taps in '15, doing fewer each year, about 450 planned for 2020 (and after?)
    2012 Mahindra 36 HP 4x4/ loader/cab/heat/AC:-)
    3x8 raised flue evaporator
    250 GPH converted to electric, RO by Ray Gingerich
    6.32 KW solar system, 1.48KW is battery backed up, all net metered
    http://s1041.photobucket.com/albums/...anssugarhouse/
    website: www.cnymaple.com

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