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CLEANGLASSUK

  • Posts: 738
Is it possible to run 3 ro 4040 off mains tap pressure
« on: December 10, 2008, 09:43:33 pm »
I am currently running two 4040 ro membrane's on tap pressure, would i be able to add another, so 3 are running.

Alex Gardiner

  • Posts: 7744
Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #1 on: December 10, 2008, 09:46:13 pm »
As long as you have sufficient flow rate. You would need about 20lpm flow rate.

CLEANGLASSUK

  • Posts: 738
Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #2 on: December 10, 2008, 09:48:18 pm »
currently the two are running with between 35-40 psi, water coming out is 0.11, didnt no if i needed a pump with 3 or not

Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #3 on: December 10, 2008, 09:51:36 pm »
You would achieve a lot more with a booster pump.

Your pressure is really quite low. You would probably double production and reduce TDS out as well.



Andrew

CLEANGLASSUK

  • Posts: 738
Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #4 on: December 10, 2008, 09:52:55 pm »
Andrew what pump would you suggest, it currenty take 8hrs to fill 1000ltr holding tank, that's with two 4040's


cherubs cleaning

  • Posts: 724
Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #6 on: December 11, 2008, 04:59:12 pm »
CLEANGLASSUK


1000l = 3hours 47min -1 4040   gaps water




jerry

Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #7 on: December 11, 2008, 05:41:37 pm »
CLEANGLASSUK


1000l = 3hours 47min -1 4040   gaps water




jerry

Your water pressure must be very good.

A call to June at Gapswater would be a good thing though. If anyone knows her stuff on RO systems it is her.

I often recommend people to Gapswater. Great products at very good prices with superb back up.

Andrew

CLEANGLASSUK

  • Posts: 738
Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #8 on: December 11, 2008, 05:50:36 pm »
CLEANGLASSUK


1000l = 3hours 47min -1 4040   gaps water




jerry
Is that with booster pump or mains tap pressure

chris@c.m.s

  • Posts: 1556
Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #9 on: December 11, 2008, 05:55:06 pm »
I have 1 4040 with a 24/7 booster pump from Gardiners and would easily fill a 1000ltr tank in 4 hours at around 6tds. 
Sussex by the sea

niceandclean

  • Posts: 1897
Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #10 on: December 11, 2008, 06:01:03 pm »
CLEANGLASSUK


1000l = 3hours 47min -1 4040   gaps water

jerry
Is that with booster pump or mains tap pressure

I have 1 4040 with the booster pump that Andrew has posted, takes around 3.5 - 4 hours to fill 1000 litres.

alanwilson

  • Posts: 1885
Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #11 on: December 11, 2008, 06:55:43 pm »
I have a twin 4040 on a grundfos booster pump

it will produce around 600ltrs and hour @ 100psi.
I've never been to bed with an ugly bird but I've woken up with loads!

CLEANGLASSUK

  • Posts: 738
Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #12 on: December 11, 2008, 06:59:48 pm »
Buy the sounds of your feedback's, a booster pump it is ! ;)

cherubs cleaning

  • Posts: 724
Re: Is it possible to run 3 ro 4040 off mains tap pressure
« Reply #13 on: December 11, 2008, 07:05:04 pm »
Andrew McCann


yes it is very good tx




jerry