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Old 21-01-2018, 11:31   #1
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Katadyn PUR 80 membrane replacement?

I have got an old used katadyn powersurvivor 80 watermaker. The cost of replacement of katadyn RO membranes is really high. Does anybody know which housing and membrane manufactured by DOW sold by wateranywhere.com could be used instead the original?
nce http://www.wateranywhere.com/index.php?cPath=22_35
Thanks, Kristof
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Old 21-01-2018, 15:12   #2
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Re: Katadyn PUR 80 membrane replacement?

The old membrane may have a number on it. You could match the rating with a standard membrane and new housing.
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Old 22-01-2018, 04:48   #3
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Re: Katadyn PUR 80 membrane replacement?

Greetings and welcome aboard the CF, Kristof.

Contact Rich Boren (CF member SV THIRD DAY) at: Rich@cruiserowater.com
He sells 21" Dow membranes ($187 as of Oct 2017)
See ➥ http://www.cruisersforum.com/forums/...p/t-19923.html

See also:
The PowerSurvivor “Bible” ➥ http://www.ishipaco.com/katadyn/docs/WatermakerBook.PDF
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Old 22-01-2018, 05:30   #4
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Re: Katadyn PUR 80 membrane replacement?

CF member Tellie ( J.T. @ Halden Marine Service) would be another excellent source.
Cruisers & Sailing Forums - View Profile: Tellie
(954) 515-7077
E-mail: info@haldenmarineservice.com
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Old 22-01-2018, 06:22   #5
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Re: Katadyn PUR 80 membrane replacement?

Because Katadyn watermakers use single piston pumps they are only making water half the time so you need a membrane rated at roughly twice the GPD capacity or about 160 gpd. My Katadyn 160 uses a 2.5 x 21 inch membrane rated at 300 gpd. 2.5 x 14 inch membranes are rated at 150 gpd so should work. These membranes and pressure vessels are available from a number of sources, including AmericanRO.com and wateranywhere.com. I did not see 14 inch membranes on CruiseRO's site, though he may be able to help you. It is important to match the flow rate to the membrane size so a 21 inch membrane is too big for your pump so don't be tempted to try one.
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Old 23-01-2018, 17:29   #6
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Re: Katadyn PUR 80 membrane replacement?

Try M-S2514A (2.5”x14”)
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Old 28-12-2018, 01:45   #7
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Re: Katadyn PUR 80 membrane replacement?

I have a old Pur 80 with 2 x 14 inch membranes , can I fit a 40 inch pressure vessel or is the single piston pump to small for the job ?
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Old 07-01-2019, 05:18   #8
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Re: Katadyn PUR 80 membrane replacement?

You can get a 14" 2.5" housing and membrane.

I have seen this done with 80s but at one time bought a 160 since it used a stock membrane
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Old 13-01-2019, 17:39   #9
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Re: Katadyn PUR 80 membrane replacement?

Quote:
Originally Posted by gringo41 View Post
I have a old Pur 80 with 2 x 14 inch membranes , can I fit a 40 inch pressure vessel or is the single piston pump to small for the job ?
A 40 inch membrane is way too big for the pump. Your water quality will be poor and your output low if you put a 40" membrane on that pump. An SW30-2514 is a good match for the pump if you need to replace the Katadyn membranes. Your output will be about the same as with the stock membranes.
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Old 18-03-2019, 15:42   #10
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Re: Katadyn PUR 80 membrane replacement?

Captain Bill , any suggestion about how to replace a Katadyn membrane for a Pur 35 survival .The membrane is 12x2.5 inches ,but the original is too expensive and my plan is not used it ( if it is possible ).Thanks
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Old 19-03-2019, 13:41   #11
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Re: Katadyn PUR 80 membrane replacement?

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Originally Posted by surazo View Post
Captain Bill , any suggestion about how to replace a Katadyn membrane for a Pur 35 survival .The membrane is 12x2.5 inches ,but the original is too expensive and my plan is not used it ( if it is possible ).Thanks
I don't know of any stock membrane small enough to work on a pur 35. Sorry
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Old 20-03-2019, 03:08   #12
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Re: Katadyn PUR 80 membrane replacement?

Anyway , thanks Cpt Bill
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