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    Pretty certain that the "H" in the HC designation...

    Pretty certain that the "H" in the HC designation is simply that the base mounting bracket has slots for more flexibility for base mounting... the "C" flange (face) dimensions will be the same...
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    Yep - agreed - This is why I'm surprised at Maple...

    Yep - agreed - This is why I'm surprised at Maple Flats' flow difference at different pressures.... I'm thinking it must be a different type of pump??.
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    You are quite right... Just trying to wrap my...

    You are quite right... Just trying to wrap my head around all the different variations... I do understand that pumps have a psi/flow curve at a given rpm. What type of high pressure pump does...
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    So - your "recovery rate" is maybe not quite as...

    So - your "recovery rate" is maybe not quite as high as you thought...
    If we assume that your wash flow is actually your total pump flow... your total flow is 2.8 + 2.8 = 5.6 gpm
    and your...
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    Yes - I find it a bit confusing. Hoping someone...

    Yes - I find it a bit confusing. Hoping someone might clarify.

    Slide #7 says this.
    "According to membrane manufacturers, a membrane must operate with a maximum recovery rate of 15%....
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    Overspeed a Procon Pump

    I was looking through some Procon pump specs and ran across an interesting note...

    Note: Nominal flow rating for each pump model is based on operating the pump at a speed of 1725 rpm, at a...
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    Hey Maple Flats Just trying to clarify if we are...

    Hey Maple Flats
    Just trying to clarify if we are on the same page with the terminology - When they talk about the "Recovery" rate on a membrane, it is not talking about total system output... but...
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    I found something of interest to the RO...

    I found something of interest to the RO enthusiast and student.

    Below is a link to a Maple membrane training presentation from H2O Innovations.... Good resource....
    Took me a while to find an...
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    I am just learning myself... and I may have it...

    I am just learning myself... and I may have it all wrong.. but I was refering to "recovery rate" and not rejection rate.
    This Lapierre Link defines Recovery as "The percentage of the...
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    Sorry to hijack.... I am also a rookie... but I...

    Sorry to hijack.... I am also a rookie... but I will take a stab at answering... Take it with a grain of salt.. Hoping one of the experts will take me to task if I'm off base....
    ...
  11. Thanks for all the explanation, Bowhunter... I...

    Thanks for all the explanation, Bowhunter... I appreciate you taking the time.
    I've always been a "need to understand it before I build it" kind of guy... and not so much into copying or buying...
  12. I cant imagine why a cork would be a problem at...

    I cant imagine why a cork would be a problem at all, compared to any other container seals? You would want to use a proper cork press tool, to ensure they are inserted tightly. Being as they are...
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    I'm going to guess that this is not your issue,...

    I'm going to guess that this is not your issue, being as you are using a store-bought rig... but I'll throw it out there anyway... just in case...
    I have a homemade 2x6 and have pretty much...
  14. Thread: best set up

    by wmick
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    Could very well be, that it was a private label...

    Could very well be, that it was a private label sort of thing... Custom pump for a particular customer.... That number looks like a serial number of some sort... I bet procon can identify it.
  15. Thread: best set up

    by wmick
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    I did a bit of looking around and couldnt find...

    I did a bit of looking around and couldnt find anything on those numbers....
    Closest thing I found, was a similar number on a pump for sale.. (from a carbonator of some sort...??)
    Found a spec...
  16. Maple Membrane 101

    Gotcha...
    This is the stage that I am really stuck... and need some major help.
    What I'm really lacking is the understanding of mechanics of specific membranes and how they might react to...
  17. Thanks Bowhunter.... Understood... Even...

    Thanks Bowhunter.... Understood... Even before deciding on throughput requirements, one should consider all your good points here... I guess I skipped a step, assuming everyone would have...
  18. series vs parallel

    Thanks Urban. You are correct... Good Point. I should have established a minimum sap temperature in the initial requirements... I assume that temperature compensation will come in to play, when...
  19. RO for Dummies - Step by Step RO design help please.

    I am so excited to design, build and commission a Hobby Sized RO for next season. I am obviously not alone... because there are lots of folks on here, seemingly in the same boat... or trying to...
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    Yep - Understood, that this is not specifically...

    Yep - Understood, that this is not specifically about Maple, but what I found interesting were the explanations and why?s and pros and cons of the different flow designs... which I think could also...
  21. I have a pretty high tech system... An empty 5...

    I have a pretty high tech system... An empty 5 gallon pail. Install and Remove once per year. :cool:
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    Good Read. RO system comparison.

    Been trying to wrap my head around this RO business,,, before I attempt to design/build one...
    I'm not there yet... but I did find this article very helpful......
  23. Thread: Cupola question

    by wmick
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    I built a cupola on my little shack... and was...

    I built a cupola on my little shack... and was very glad I did.... It drew out a ton of steam... Worked really well. I roofed it with clear plastic roofing material, so it also lets a bunch of...
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    I sure don't regret it. I have about 90 taps at...

    I sure don't regret it. I have about 90 taps at a friends bush, a couple miles from my house on 3/16" lines split on to 2 little 12v pumps. (not sure if I really needed 2 or not?) ... A decent...
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    Yes and no.... It might use up some of the...

    Yes and no.... It might use up some of the flow capacity of your pump, but it actually improves the vacuum level, or helps maintain it.
    These little diaphragm pumps only seem to generate a decent...
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