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Thread: Pipe Size Between Pans

  1. #1
    Join Date
    Feb 2018
    Location
    Hartland, CT
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    32

    Default Pipe Size Between Pans

    I picked up a used Mason 2x3 that had been extended with a additional 2x4 rear pan during the off-season. The previous owner used a siphon system to move sap from one pan to the other, but I'd like to get away from that method and go with a more common approach.

    While checking out evaporators during a recent trip to Bascom's it looks like most of the small evaporator pans are using 1" and larger pipe to connect to each other. Would 1" be appropriate for the application or should I go larger? I'd love to use sanitary fittings, but their cost is so much greater than threaded pipe and fittings that I think I'm going that route instead.
    2018 - 25 Red Maple taps on buckets & 5/16" tubing - 3 Gallons
    2019 - 93 Red Maple taps on 3/16" tubing w/vacuum & homemade RO - 13.3 Gallons

    Check out Hartland Hollow Modern Homestead on Facebook!

  2. #2
    Join Date
    Jan 2006
    Location
    Oneida NY
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    9,868

    Default

    I'd go 1.25" or 1.5". If you decide to use copper, put a union and a valve in so the flow can be stopped when you need to. That will be a huge improvement over a siphon system. On a siphon method it only takes 1 bubble to shut the siphon down, then you need to suck the air out of the high spot before it will resume working.
    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:-)
    added a gooseneck equipment trailer and F350 to tow it to haul more sap
    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

  3. #3
    Join Date
    May 2009
    Location
    UVM Proctor Maple Research Center, Underhill Ctr, VT
    Posts
    4,616

    Default

    I agree with Dave. 1.25-1.5" would be better. Less chance of niter chunks clogging the pipe and stopping the flow.

    Although sanitary connections are more expensive, they are far easier to take apart and clean than NPT fittings.
    Dr. Tim Perkins
    UVM Proctor Maple Research Ctr
    http://www.uvm.edu/~pmrc
    Timothy.Perkins@uvm.edu

  4. #4
    Join Date
    Feb 2011
    Location
    Temperance Mi
    Posts
    302

    Default

    I have 3/4 inch copper lines between my pans. The only clogging problem I've had is when it freezes hard and that lets loose pretty quick. If I was to do it again I would go with 1 inch though for peace of mind.

  5. #5
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    9,868

    Default

    Check out Tri-Clover fittings at https://www.brewershardware.com/Sanitary-Fittings/
    Their prices are better than most if not all, shipping is fast.
    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:-)
    added a gooseneck equipment trailer and F350 to tow it to haul more sap
    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

  6. #6
    Join Date
    Feb 2018
    Location
    Hartland, CT
    Posts
    32

    Default

    Thank you everyone that shared your knowledge!

    Once I checked out the Brewers Hardware prices I went for the 1.5" Tri-Clover fittings. Less than $140 shipped for 1.5" ferrules, elbows, clamps, gaskets, and a ball valve!

    Now to find someone locally to weld the ferrules...
    2018 - 25 Red Maple taps on buckets & 5/16" tubing - 3 Gallons
    2019 - 93 Red Maple taps on 3/16" tubing w/vacuum & homemade RO - 13.3 Gallons

    Check out Hartland Hollow Modern Homestead on Facebook!

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