Very high capacity, economic
and flexible
When a KFS water softener has to regenerate the ion exchange resin it uses
as little salt as possible. KFS 100 uses only 2,4 kg salt per regeneration. With this
filter installed the salt in the brine maker will last for almost a whole year! Our water
softeners are made so they can use any kind of salt available (NaCI) even a very cheap
rock salt will do.
Fully automatic
The water softeners are fully automatic and easy to install. The automatic
control valve will take care of starting and managing a 5-cycle regeneration process. The
only thing you will have to look after is so keep enough of salt in the brine maker. The
ion exchange resin can be regenerated millions of times without any degradation of the
resin's funtionality.
Other benefits with Kuna Filter· totally
non-corrosive materials
· very long product life
· removes dissolved iron up to 4 ppm
· easy to install
Our efficient water softners deliver SOFT WATER for:
· private houses
· farms
· public loundries
· air conditioning equipment
· steam producing equipment
· heating boilers
This is how our softner works

Water hardness is caused by so called "hard" ions in dissolved
in the water (Calcium and Magnesium). The water is softened when these "hard"
ions are exchanged against "soft" sodium ions from the ion exchange bed in the
water softener.
Calcium and Magnesium ions are held in the ion exchange resin. When the ion exchange resin
is exhausted with "hard" ions it has to he regenerated. During the regeneration
process the reverse chemical reaction takes place inside the water softener, the ion
exchange resin is retaining its Sodium ions and the "hard" ions are backwashed
to the drain. So, the salt (actually brine) is used only druing the regeneration phase and
will never enter the drinking water stream.
The regeneration process consists of 5 stages:
· backwash - particles are washed to drain
· brine & draw - brine is drawn to the softener
· brine & rinse - brine is distributed throughout the ion exchange resin
· rapid rinse - washes out the brine and "hard" ions to drain
· brine refill - refils the water in the brine maker
Two models
Our water softeners can be purchased as two different models. The first
model is clock initiated and the other one is water meter initiated. In the first model
the regeneration is started every time a certain time has gone (i.e. every sixth day). In
the metered version the regeneration will start only when a certain amount of water has
been used, by using a metered model you can assure yourself that the softener will
regenerate (use salt) only as often as really required. With a water metered model you can
save on salt especially during periods with little or no water usage.
Adaptable
If there are small amounts of dissolved iron and manganese present in the
water and the water is hard at the same time it normally means a double investment (iron
removal filter and softener). Our water softeners can be obtained with special ion
exchange resin which removes iron and manganese from water, the resin has the same
softening capacity but removes up to 4 ppm of dissolved iron & manganese. We
manufacture larger water softeners too. Please call us for more information.
Technical data
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