Fyberdyne help please

[Simonson82]

Ive never used fynerdyne filters before and am struggling  to find out what exactly they do? Are they just a sediment filter with a longer life than standerd sediment filters? Ive always had 5 micron presediment to membrane to resin. Can someone tell me if fyberdyne will be better in the equation. Many thanks

 

[spruce]

Ive never used fynerdyne filters before and am struggling  to find out what exactly they do? Are they just a sediment filter with a longer life than standerd sediment filters? Ive always had 5 micron presediment to membrane to resin. Can someone tell me if fyberdyne will be better in the equation. Many thanks

Most window cleaning r/o's have 2 prefilters (unless you buy a Brodex system.) The first is a sediment filter and the second a carbon block. We use a 5 micron sediment filter. We also use a Fiberdyne carbon block filter in the second prefilter housing which is also 5 micron. (Some r/o's have 3 prefilters, the first sediment, the second a carbon filter and a third GAC filter to make the water taste better. These r/o are generally for the drinks market and sold to window cleaners as well.)

The first filter does as its name suggests; it removes sediment from the water. The second carbon block filter removes chlorine from the water. Chlorine destroys membrane material. Your prefilters don't do anything to reduce the tds of your incoming tap water. Their sole purpose is the protect the r/o membrane/s.

A fiberdyne carbon block filter can also act as a sediment filter if your water is very clear. Ours isn't. If you have a Brodex supplied r/o you will find that you only have 1 prefilter housing which they fit a sediment filter into. They don't supply a carbon block filter.  The only conclusion we can draw from this is that they hope they will get repeat business from early membrane failure and more resin sales.

If you use a Fiberdyne filter as a combination sediment and carbon filter you could find that the filter becomes blocked with sediment before it's chlorine removal service life has expired.

A fellow window cleaner down the road uses a Merlin r/o which also uses the Fiberdyne prefilter as a sediment filter. In his case he added an extra prefilter housing before his r/o to prolong the life of his Fiberdyne filter.

A few years ago we all had large amounts of sediment in our water. We have 20" prefilter housings and a Fiberdyne filter will remove chlorine from 75700 liter of water, both pure and waste. We used that amount of water every 3 months. But I had to change the sediment filter every month due the sediment blocking it up. If I just had a single prefilter, then changing the Fiberdyne every month would work out rather expensive. In those days it was £24 + Vat for a Fiberdyne and £5 for a sediment filter.

 

[Simonson82]

Brilliant that was exactly the answer that i needed. 

Ive got very soft water where i live, i think im getting about 70tds straight from the tap, what should i expect my membrane to be getting it down to before polishing it off? Many thanks

 

[BigFoot]

Brilliant that was exactly the answer that i needed. 

Ive got very soft water where i live, i think im getting about 70tds straight from the tap, what should i expect my membrane to be getting it down to before polishing it off? Many thanks

I live in South Wales and have a tap TDS of around 55-77ppm I use a single fiberdyne filter and 4040 R/O

and produce 0ppm and use no resin.

what part of Wales are you from?

 

[doug atkinson]

Brilliant that was exactly the answer that i needed. 

Ive got very soft water where i live, i think im getting about 70tds straight from the tap, what should i expect my membrane to be getting it down to before polishing it off? Many thanks

It all depends on membrane specification, pressure and feed etc..

HF5 rated 80 PSI with ppm input of 104 at 30 PSI get 003ppm and 80 PSI 002ppm.

 

[spruce]

Brilliant that was exactly the answer that i needed. 

Ive got very soft water where i live, i think im getting about 70tds straight from the tap, what should i expect my membrane to be getting it down to before polishing it off? Many thanks

A membrane working correctly should remove about 98% of the dissolved solids in your water. At a tds of 70 I would expect with my membrane and water pressure a pure output of 2ppm. That is OK to clean windows without having to polish the pure off through a di vessel.

Personally I would focus on 0ppm so would still use a di vessel.

 

[BigFoot]

Worth pointing out I’m one of the lucky ones very little sediment, High water pressure and low ppm (55ppm atm) Most in my area double DI but I fill an IBC tank and transfer each morning, takes less than 5 mins.