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Oakley Windows

RO Operating Pressure
« on: January 15, 2009, 04:48:25 pm »
What would you guys say is the maximum operating pressure for a 300 gpd RO Man system? Is over 100psi okay or would you say thats the max?

Also does flushing at higher pressure give a more thorough flush?

Matt
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Peter Fogwill

  • Posts: 1415
Re: RO Operating Pressure
« Reply #1 on: January 15, 2009, 04:56:14 pm »
I have run one at tap pressure of 140psi and it worked great.  Waste to product ratio around 50/50, and produced around 450gpd.

Peter
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Oakley Windows

Re: RO Operating Pressure
« Reply #2 on: January 15, 2009, 05:20:51 pm »
Well, that sounds great, but what sort of pressure can membranes tolerate?

Just got a booster pump recently and it can be tweaked up, how high is safe without doing the membranes in?
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Andrew McCann

Re: RO Operating Pressure
« Reply #3 on: January 15, 2009, 05:25:43 pm »
Matt I replied to this on the other thread.

Recommended max pressure for RO-MAN 100 GPD memranes is 125 PSI..

Cheers

Andrew
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Oakley Windows

Re: RO Operating Pressure
« Reply #4 on: January 15, 2009, 05:32:13 pm »
I see that, thankyou Andrew, appreciated.

Matt
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NWH

  • Posts: 16952
Re: RO Operating Pressure
« Reply #5 on: January 15, 2009, 05:33:16 pm »
Get a 40x40.
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Oakley Windows

Re: RO Operating Pressure
« Reply #6 on: January 15, 2009, 05:36:23 pm »
Why on earth would I want to make that much water?
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NWH

  • Posts: 16952
Re: RO Operating Pressure
« Reply #7 on: January 15, 2009, 05:39:10 pm »
You`ll always have enough and it will make water quicker unlike the fish tank 1 you have.
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Oakley Windows

Re: RO Operating Pressure
« Reply #8 on: January 15, 2009, 05:40:29 pm »
Ahh...theres no pleasin' you   :P

I'll always have enough as it is ta muchly  :P
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Clive McDonald

Re: RO Operating Pressure
« Reply #9 on: January 15, 2009, 06:23:01 pm »
I can't remember your ever telling me nwh, but if you did i wish i'd listened. I got one because of breakage, but now i have one, would glady bin  what you call the fish tank thing.

No more leaving it on overnight, or when i'm out working all day, and if i did there are only two hoselock connections and no electrics at all.

I remember dave morriss posting about water production, what route did he go?
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