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Thread: Releaser fitting repairs

  1. #1
    Join Date
    Dec 2012
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    Middlebury vt
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    Default Releaser fitting repairs

    I have a mechanical double vertical releaser that the PVC 2 inch going into the 12 inch canister has snapped off.

    My idea is to take a little coping saw and cut the remainder off to the canisters flush, take a hole saw and saw a hole into a nice piece of 1 1/8 Advantech sub flooring to use as a guide to use the hole saw to drill out the old pvc pipe.

    Anyone ever have this and had a way thatís better?
    Also what pvc glue is being used to glue these back up?
    30x8 leader drop flue
    750 taps and counting
    Homebuilt RO
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  2. #2
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    Cut the pipe off flush, then find a hole saw that will fit in the hole of the pipe and use this as a guide. Then find the hole saw that is the size of the hole that you want in the releaser. Mount the 2 hole saws on the same pilot bit with the smaller one last that will be your guide for the new hole. It will stick out a 1/4 of an inch. Becareful because it can wobble. I hope this makes sense. So you stack the 2 hole saws on the same pilot bit.If you have enough room some times you can place a washer between the 2 hole saws.
    Blaisdell's Maple Farm

  3. #3
    Join Date
    Apr 2009
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    Bristol, VT
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    That's a clever trick Brian.... When drilling out an existing hole with a hole saw I have always used the method Rselleck describes, with a piece of plywood clamped in such a way to allow the pilot bit to drill into it.

    I'm not sure what would be the best glue option for this... You could also theoretically tap the hole to be able to use a threaded fitting....Or you could use a UNIseal...

    https://www.usplastic.com/catalog/it...x?itemid=89951
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  4. #4
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    Quote Originally Posted by Rselleck91 View Post
    Also what pvc glue is being used to glue these back up?
    Standard PVC cement is fine...just be sure both surfaces are clean, prime, then apply the glue and hold the piece in place til it sets. Let it completely cure and air out before using the releaser. If you don't get a perfect seal with the cement, marine caulk (adhesive sealant) on the outside will seal any small pinholes. Just note that you'll never get it apart again -- stuff works great...but it is permanent.
    Dr. Tim Perkins
    UVM Proctor Maple Research Ctr
    http://www.uvm.edu/~pmrc
    https://mapleresearch.org
    Timothy.Perkins@uvm.edu

  5. #5
    Join Date
    Mar 2018
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    Freeport,ME
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    Default

    They also make a PVC fitting reamer that would work for what you describe. Obviously, the more expensive ones make a better surface finish but they do work well.
    fitting reamer.jpg
    2018 - 20 Taps on 3/16, Barrel evaporator with 2 steam pans. Unknown amount.
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  6. #6
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    Quote Originally Posted by DrTimPerkins View Post
    Standard PVC cement is fine...just be sure both surfaces are clean, prime, then apply the glue and hold the piece in place til it sets. Let it completely cure and air out before using the releaser. If you don't get a perfect seal with the cement, marine caulk (adhesive sealant) on the outside will seal any small pinholes. Just note that you'll never get it apart again -- stuff works great...but it is permanent.
    Dr. Tim,
    You referring to 3M 5200? If so - you're right, stuff is tenacious... ask me how I know.
    John Allin

    14x18 Hemlock Timber Frame Sugar House 2009
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  7. #7
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    Quote Originally Posted by johnallin View Post
    Dr. Tim,
    You referring to 3M 5200? If so - you're right, stuff is tenacious... ask me how I know.
    Yes, 3M 5200 or equivalent. Great stuff.
    Dr. Tim Perkins
    UVM Proctor Maple Research Ctr
    http://www.uvm.edu/~pmrc
    https://mapleresearch.org
    Timothy.Perkins@uvm.edu

  8. #8
    Join Date
    Mar 2008
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    3M 4200 is very similar and great below the water line, but allows removal of the part if needed.
    John Allin

    14x18 Hemlock Timber Frame Sugar House 2009
    Leader 2x6 w/Patriot Raised Flue Pan 2009
    Leader Steam Hood 2014 - Clear Filter Press 2015
    Leader Revolution Pan and SS Pre-Heater 2016
    CDL Hobby RO & Air Tech L25 Hi Vac Pump 2019
    06' Gator HPX to collect wood & sap
    14' Ski-Doo Tundra for winter work in the woods
    Great Family 3 grown kids+spouses and 7 grand kids who like the woods
    7th Gen Born in Canada - Raised in Chardon Ohio - Maple Capital of the World..<grin>.

  9. #9
    Join Date
    Jun 2009
    Location
    Verona, NY
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    Default

    Factory glue is gold can Oatey, which is clear pvc cement. that was the answer when i asked Leader about it last year, as i had a bad fitting.
    7000 taps on vacuum, just trying to get a little better every year.

  10. #10
    Join Date
    Nov 2010
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    Barnet, VT
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    Default

    Another vote for uniseals. I have used several on releasers. Have not had one not seal. Pretty forgiving on wobbly drilling. I boil them in water before installing. Makes them form to hole better. I use some food grade lube on pipe I’m inserting. Other nice part is you can pull the pipe out for maintenance and reinstall.
    William
    950 taps
    3 X 12 Thor pans on a Brian Arch
    CDL 600 expandable

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