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UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: GB Window Cleaning on June 14, 2011, 09:49:51 pm

Title: best r.o
Post by: GB Window Cleaning on June 14, 2011, 09:49:51 pm

so whats the best r.o for speed and minimal waste? is the 4040 thingy the best ro there is?

i'd like to fill a tank as quick as possible with little waste

im on a water meter and in a 300ppm area
ive been quoted for a 600gpd r.o but im not sure thats going to cut the mustard for too long and i want something future proof

thanks

Title: Re: best r.o
Post by: Lee GLS on June 14, 2011, 09:52:37 pm

A pumped 4040 is the best for speed and low waste combination, you may get one with a similar waste output, but it will take ALOT longer to produce the same quantity.

Title: Re: best r.o
Post by: GB Window Cleaning on June 14, 2011, 09:56:25 pm

Quote from: Lee GLS on June 14, 2011, 09:52:37 pm

A pumped 4040 is the best for speed and low waste combination, you may get one with a similar waste output, but it will take ALOT longer to produce the same quantity.

thanks lee, how much would a 4040 set me back roughly mate?

thanks for all your time responding to me laterly i know im a pain  :-[

GB

Title: Re: best r.o
Post by: Lee GLS on June 14, 2011, 09:58:13 pm

£500-600 for all the filters and housings.

Title: Re: best r.o
Post by: GB Window Cleaning on June 14, 2011, 09:58:16 pm

@ lee

Also how long would a pumped 4040 take to produce 350ltr of pure?

Title: Re: best r.o
Post by: alanwilson on June 14, 2011, 11:07:10 pm

depends on the feed pressure, an HF5 running at 80psi should give you around 150 - 200ltrs an hr depending also on water temp.

Title: Re: best r.o
Post by: GB Window Cleaning on June 14, 2011, 11:12:28 pm

Quote from: alanwilson on June 14, 2011, 11:07:10 pm

depends on the feed pressure, an HF5 running at 80psi should give you around 150 - 200ltrs an hr depending also on water temp.

thanks for the info alan, by the way how can i find out what my tap pressure is?

Title: Re: best r.o
Post by: alanwilson on June 14, 2011, 11:31:35 pm

you need to hook up a pressure guage to the tap you want to draw from.

this will give you your static pressure - your working pressure will be approx 30% lower.

Title: Re: best r.o
Post by: Hedgehog on June 14, 2011, 11:32:02 pm

My HF05 unpumped produces at 2lt a min, so 120 litres in 60 mins.  Brings tds from 400+ down to 12.

June at Gaps Water is very helpful. My unit cost £650

Title: Re: best r.o
Post by: Lee GLS on June 15, 2011, 07:25:34 am

600l unpumpped takes 3-4 hours, but with a booster pump under 2

Title: Re: best r.o
Post by: GB Window Cleaning on June 15, 2011, 12:47:02 pm

okay, thanks guys, i appreciate it!