Water pressure

Discussion in 'Water Fed Pole Cleaning' started by craig at pure, Oct 8, 2016.

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  1. craig at pure

    craig at pure Member
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    i have just got a PRF RO - REVERSE OSMOSIS UNIT from gardiner's. but my water pressure is on 30psi, but i need 40 psi for it to work, they say i need this SWITCHED BOOSTER PUMP KIT - 240V FOR PRF-RO SYSTEMS at £350.

    dose any one use this RO and what pumps are they using.
     
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  2. spruce

    spruce Grand Master
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    #2 spruce, Oct 9, 2016
    Last edited: Oct 9, 2016
    Alex says that this is the booster pump to use for the r/o he sells. When he says it, you can take it as 100% correct.

    This unit pushes the pressure up to a max of 85psi which is fine for membranes.

    Years back the only other alternative other r/o suppliers used to advise using was this one;

    Clarke CBM240E 1" Multi Stage 230V Booster Pump - Machine Mart - Machine Mart

    It has a max pressure boost to 112psi which I believe could be a little high for some membranes.

    .
     
  3. jason1965

    jason1965 Member
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    i have got one of the booster pumps that Spurce mentioned i wrote a thread on here about it,
     
  4. abs

    abs Guru
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    Won't it work OK at 30psi only slower ?
     
  5. spruce

    spruce Grand Master
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    Yes it will work but it will be less efficient than they already are. Lower water pressure means that the pure will have a higher tds and that means more resin to polish it off.
    He needs a booster pump asap.
     
  6. abs

    abs Guru
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    My ro recommends 40 psi but my tap only managers 30 but it still gives me 7 TDs from 270 tap water, can't see any booster improving that really
     
  7. spruce

    spruce Grand Master
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    Have you got a PRF or its predecessor the Merlin r/o?

    You could probably get away with a lower water pressure on the RoMan type r/o like I did, but I notice the pure tds output from my 4040 increases when the garden hose is switched on to water the lawn.
    So when the wife decides to do some gardening I wait until she's finished before processing water.

    .
     
  8. craig at pure

    craig at pure Member
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    ok.....so i went and got the booster pump, the pressure is now 85 psi into the ro, and is working ready well, 100 liters a hour i am processing. 14672909_10154046093313105_367524962_o.jpg 14672918_10154046093408105_128153_o.jpg
     
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