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Old 09-27-2010, 02:41 AM   #1
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Default spring loaded peristaltic pump proto

SWMBO says it's time to post.

I've wanted a pump for quite a while. But couldn't decide between buying a March pump or trying to build one myself. I liked the idea of only having a short piece of tubing to clean and not having to worry about priming or running dry. I read the other peristaltic pump threads and went for it.

Here is my proto-type.


The housing is made of 6 layers of 3/8 plywood. It has 3 roller arms with 2 on the tubing at any time. The springs are located at the elbow of the arms. It works in either direction, but I use it counterclockwise.

I geared a 1725 motor down to 45 RPM to give a pumping volume of 1 Gal./Min. through a 3/8" high temp silicone tubing.


I tried to find out how much lift it has but I gave up after 16FT.

I've used to 6 times now and still modifying it. So far it seems to be holding up, but time will tell.

I have more construction pics if anyone is interested.

I used to today. The following is a live action shot pumping a Porter from the boil kettle through a 25FT pre-cliller, through a Shirron plate chiller, into a Korney ready for fermenting. From 212F to 60F in less that 5 Min.

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Last edited by Bumbler; 09-27-2010 at 10:57 PM. Reason: Some say pics not showing up.
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Old 09-27-2010, 02:49 AM   #2
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Pics?

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Old 09-27-2010, 11:59 AM   #3
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Your pictures aren't showing up...

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And I'd like to see my 1.080 beers ready from grain to glass in a week, and served to me by red-headed twin penthouse pets wearing garter belts and fishnet stockings, with Irish accents, calling me "master luv gun," but we can't always get what we want can we? :)
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Old 09-27-2010, 12:32 PM   #4
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That is just beautiful. Is it possible to get drawings?

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Old 09-27-2010, 02:00 PM   #5
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That's a beast...

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Old 09-27-2010, 04:07 PM   #6
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Default Close-up of roller mechanism

I would be interested in seeing some close-ups of the roller and spring mechanism. Thanks, this is awesome.

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Old 09-27-2010, 04:31 PM   #7
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Not sure what is up with the forum but I'm not seeing the pictures (in either firefox or IE8). If I quote the OP I see the IMG tags and the links, but no images when viewing the post. If I try to access the image directly by copying the link and putting it in the address bar firefox tells me it is looking at a 1x1 gif but that might be the forum software prohibiting a link to the image from outside the forum.

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Old 09-27-2010, 05:18 PM   #8
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Same thing here...

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And I'd like to see my 1.080 beers ready from grain to glass in a week, and served to me by red-headed twin penthouse pets wearing garter belts and fishnet stockings, with Irish accents, calling me "master luv gun," but we can't always get what we want can we? :)
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Old 09-27-2010, 05:33 PM   #9
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Also can't see the pictures. I am VERY interested in seeing as I have been tossing the idea of building my own peristaltic pump around for a while now. Interested to see what you came up with for rollers; love the spring loaded idea.

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Old 09-27-2010, 10:59 PM   #10
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Not sure why some can see pics and some can't. I can see them on my Laptop and tower. All were uploaded to HBT yesterday and all pics were pointed to HBT site. I'll try again and keep my fingers crossed. I've moved the pics from an album to my gallery.

More than likely I'm just a knob.

Reference first post for attempted pic fix.
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