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Thread: Poor man's vacuum

  1. #21
    Join Date
    Jul 2012
    Location
    Lawrence County Ohio
    Posts
    350

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    Milton there's about a hundred threads on here for 12v diaphragm pumps, lots of photos. From solar with temp controllers to 110v and 12v marine batteries. It all depends on your budget and the layout of your woods and sugarhouse. I have used Everflo 3.3 gpm pumps for the last 3 years, this year I set up a 1/2" PVC manifold with threaded fittings, you can find 5/16 barb fittings with 1/2 threads on amazon. I had 5 laterals from 100 to 800' long feeding the manifold, once I got the squirrel chews fixed I was pulling 25" vacuum, on the best run this year I got 150 gallons of sap from those 60 trees. It's pretty simple plumbing and wiring. Half the fun is the research. Make sure you get a screen for keeping ice out of the fragile diaphragm.
    '12 15 jugs - Steam pans
    '17 125 3/16 - 18" x 72" drop flue on homemade arch
    '18 240 3/16 - Deer Run 125
    '19 450 3/16 - Converted RO to electric/added a membrane
    '20 600 3/16 - Maple Pro 2x6 Raised Flue, added AOF/AUF
    '21 570 3/16 - Built steam hood, Smoky Lake filter press
    '22 800 3/16 - Upgraded RO to 4 4x40
    '23 500 3/16 - Re-plumbed RO, new "Guzzler"
    '24 500 3/16 - Steam Away, DIY 8x40 RO

  2. #22
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    11,547

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    I suggest a spare diaphragm or 2 just in case, or even a spare pump. I only use a diaphragm pump on my hot water loop to feed my tankless water heater, and I have a spare diaphragm just in case.
    Dave Klish, I recently ordered a 2x6 wood fired evaporator from A&A Sheet Metal which I will be converting to oil fired
    Now have solar, 2x6 finish pan, 5 bank 7x7 filter press, large water jacketed bottler, and tankless water heater.
    Recently bought another Gingerich RO, this one was a 125, but a second membrane was added thus is a 250, like I had.
    After running a 2x3, a 2x6, 3x8 tapping from 79 taps up to 1320 all woodfired, now I'm going to a 2x6 oil fired and a 200-425 taps.

  3. #23
    Join Date
    Feb 2016
    Location
    Mid Michigan
    Posts
    32

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    What tubing would you use for one of these diaphragm pumps?
    The tubing I'm finding says that it is good for natural vacuum. Would this type work?

  4. #24
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    11,547

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    Any maple tubing for the line from tree to tree, then run that downhill to a manifold and then to the pump inlet. You can make a manifold out of 3/4" or larger maple tubing or even a length of PVC pipe. To attach to the manifold just use a saddle made for maple (I like the DSD saddles, but) most any for the diameter pipe you have for the manifold will work. Run an extra saddle and run a re-circulation line to keep the diaphragm wet. That can even have a needle valve to reduce the amount re-circulated.
    Dave Klish, I recently ordered a 2x6 wood fired evaporator from A&A Sheet Metal which I will be converting to oil fired
    Now have solar, 2x6 finish pan, 5 bank 7x7 filter press, large water jacketed bottler, and tankless water heater.
    Recently bought another Gingerich RO, this one was a 125, but a second membrane was added thus is a 250, like I had.
    After running a 2x3, a 2x6, 3x8 tapping from 79 taps up to 1320 all woodfired, now I'm going to a 2x6 oil fired and a 200-425 taps.

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