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Thread: Dow FilmTech XLE 4040 Membrane Selection

  1. #1
    Join Date
    Dec 2015
    Location
    Poland, IN
    Posts
    16

    Default Dow FilmTech XLE 4040 Membrane Selection

    I am currently building a RO and have read multiple threads on Maple Trader regarding membranes. I am leaning towards using a Dow FilmTech XLE 4040. After doing a Google search for a FilmTech XLE-4040, I found the following listed for it:

    XLE - 4040 Part Number 154546
    LP-4040 Part Number 212819
    TW30-4040 80610

    Which one are most of you using. I assume it is the 154546 but mostly 80610 popped up on the search.

  2. #2
    Join Date
    Mar 2013
    Location
    Campbellford, on
    Posts
    519

    Default

    That's the one you want.
    Lifelong maple hobbiest
    250 taps on Vacuum tubing
    Surge Alamo 30 vacuum pump with Lapierre Hobby Releaser
    16x48 Lapierre propane evaporator with Smokey Lake auto draw off
    Homemade RO single XLE4040
    Converted milk house sugar shack
    Ski doo and Rhino sap haulers

  3. #3
    Join Date
    Nov 2010
    Location
    Barnet, VT
    Posts
    2,194

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    I was very happy with xle membranes. That was until I found MES brand membranes. Faster flow and very good prices.

    http://mapleexperts.com/PriceList.html
    William
    900 taps plus 900 purchased sap
    3 X 12 Thor pans on a Brian design arch
    1986 Seprotech 900 RO

  4. #4
    Join Date
    Jan 2015
    Location
    Redwood NY
    Posts
    72

    Default

    We are very satisfied with with the MES as well. Prices were excellent and folks were available for questions and support after the fact.
    12 x 16 shack with 8 x 16 addition
    2 x 6 D&G raised flue with hood
    Homebuilt releasers
    220 taps on vac
    100 plus taps on buckets
    Gast 1550 on gas engine
    HF vac pump on generator

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