JUDO Swimming Pool Technology for Public Swimming Pools
in public swimming pools has reached a high level of safety for bathers
over recent years, thanks to research and development. The result of
these developments is DIN 19643. This applies to public swimming and
bathing pools and for warm water massage pools and whirlpools. First
published in 1984, the standard has been revised several times over
recent years, and extended into a whole series of standards. Since
April 1997 it comprises the following parts:
DIN 19643-1: General requirements
DIN 19643-2: Process combination: Adsorption, flocculation, filtration, chlorination
DIN 19643-3: Process combination: Flocculation, filtration, ozone, adsorption filtration, chlorination
DIN 19643-4: Process combination: Flocculation, ozone, multi-layer filtration, chlorination
monitoring of public swimming pools is carried out by the local health
authorities. The task of the authorities is to monitor observance of
the water quality specified by DIN 19643. The same authorities also
check the system equipment. If the system technology falls below the
current state of the art, the pool facilities must be modified within a
period of 5 years. With over 65 years
experience in the field of water treatment, JUDO has made a significant
contribution to improving performance levels. In
addition to the JUDO Libelle range for private swimming pools and
whirlpools, JUDO also produces the "Gigant" filter system with
accessories of every size, for hotel pools, communal indoor and outdoor
swimming pools and public whirlpools. JUDO offers two process combinations to DIN 19643:<>
Standard Process A "Flocculation – Filtration – Chlorination" (k= 0.5 P/m³) to DIN 19643 Part 2
Standard Process B Equipped with an additional ozone stage (k= 0.6 P/m³) to DIN 19643 Parts 3 and 4
JUDO "Gigant" filter systems work
on the multi-layer filter principle, proven in practice and conforming
to the standard, with filtration speeds of max. 30 m/h.
costs (filter size, space requirement, energy), the technology (easier
provision of the necessary flushing water volume, flushing water
savings) and the functional quality all confirm the efficiency of this
Optimally matched filter materials
combine the benefits of volume filtration (reduction of larger
contaminating materials while simultaneously avoiding an overly-quick
increase in pressure loss) with the advantages of surface filtration
(fine quartz sand filters the colloidal contaminants out of the water
during the second stage).
properties of the multi-layer filter reduce the unwanted
chlorine-addition compounds (the bonded chlorine), creating the right
requirements for outstanding water quality with the minimum of
filter systems with lower performances are normally equipped with a
precision-manufactured, hand-laminated FRP filter. Larger JUDO "Gigant"
filter systems are made of FRP or steel ST 37.2, which are electrically
welded, sand-blasted all over, plastic-coated and primed on the outside.
on the usage purpose or the analysis data of the filling water, special
synthetic resins or rubber coatings can be applied as the inner coating.
lower filter performances (up to 40 m³/h), multi-way central control
valves are used, either for manual or automatic operation, as required
by the customer. Larger JUDO "Gigant" filter systems are equipped with
individual valves (intermediate flaps specially developed for swimming
pool technology). The operating systems can be designed as required for
manual or automatic (usually pneumatically controlled) regulation.
The JUDO "Gigant" accessory range for complementing filter equipment:
» JUDO dosing pump systems (for flocculation, chlorination, pH regulation) in various versions
» JUDO electrical switching units covering all filter and circulation functions (locking, control)
» JUDO pool system components for optimum pool flow, of plastic, stainless steel or bronze
plastic compensation containers for pools with overflow channel or
accessories for concreted-in compensation containers (designed to DIN
"Gigant" ozone generators for the production of ozone from atmospheric
air; with mixing devices (using the injection principle)
» JUDO hypochlorous acid dosing systems (chlorine gas) with manual and automatic controls and switching devices
» JUDO Pool-Controller "Gigant" (automatic measurement and control of dosing systems, registration)
» JUDO floor cleaner for vacuum cleaning the pool floor, in manual or automatic versions
» JUDO testing devices for manual checking of water properties
» JUDO chemicals for flocculation, chlorination and pH-level correction
the assembly and installation of the systems and pipework assembly
according to our installation plans, we recommend the use of local
installation firms selected by the customer.
will be happy to assist you in the planning, whether for renovation of
old systems or the planning of new ones; just get in touch with your
JUDO project consultant.
JUDO "Gigant" swimming pool technology: Perfection in public swimming pools.
The waterworks supplies hygienically pure drinking water however, on
the way from the waterworks, incrustations become dissolved and get
into the water pipe. It is also unavoidable that a certain level of
contamination occurs to drinking water as a result of work on the
public pipeline system. The results are well-known – brown, rusty
water, problems with shut-off and control fittings, dripping taps ...
To be able to enjoy fresh, sparkling spring water is a very attractive
idea. The drinking water that comes out of our taps complies with all
the legal requirements, but due to its transport through extensive and
sometimes old pipework systems, it has lost many of its original