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Security of drinking water Hycleen Des 30 for an environmentally friendly, electroactivated disinfection with sodium hypochlorite

Security of drinking water

Hycleen Des 30 for an environmentally friendly, electroactivated disinfection with sodium hypochlorite


Top grade drinking wateris vital

Biofilm – habitat for bacterial cells in drinkingwater distributionTogether with the drinking water bacteria are distributedto and in every home and form a so-called biofilm where-ever they find nourishment. Piping systems and valves in the domestic distribution lines provide them with ideal conditions. Long stagnation periods and water tempera-tures ranging from 25 to 50°C contribute to a proliferation of bacteria such as Legionella and Pseudomonas, which may cause infections in immunocompromised individu-als.

A question of hygiene and preventionIn terms of hygiene and prevention high drinking water quality is particularly important in hospitals, rehabilita-tion centres, retirement homes, nursing homes, resi-dential complexes, hotels, holiday resorts, sports facili-ties, spa baths, schools, daycare centres, administrative buildings, indoor event venues, military facilities and pe-nal institutions.On the other hand, maintenance of piping systems in do-mestic distribution lines and periodic checks of the drink-ing water quality tend to be neglected, with grave effects; securing top-grade drinking water often proves difficult in large residential properties. However, in view of tight-ened legal regulations facility operators are pushed to take measures to ensure high drinking water quality to avoid complaints, negative publicity, loss of revenue or even criminal penalties.

Top grade drinking water is an essential prerequisite for a healthy life and economic prosperity since this key resource – sometimes also called “blue gold”- cannot be simply substituted by any other. However, various factors increasingly impair our water quality. Drinking water of high qual-ity and free of pathogens is indispensable for a healthy life.


Four steps for optimum drinkingwater hygiene

The integral drinking water hygiene conceptIn order to ensure high-quality drinking water at any time, the cold water as well as the hot drinkingwater supply needs to be considered as one integral system. That is why, with newly-built or plannedproperties preventive measures should be considered to minimize disturbances during operation.For existing properties preventive measures, however, should be supplemented with interventionmeasures.

Ideal solution for existing propertiesThe integral water hygiene concept comprises four areas: Prevention, monitoring, intervention and risk assessment. This approach to secure drinking water hygiene offers numerous advantages especially for existing properties because their given condition can be considered when restoring high-quality drinking water. As refurbishments are executed in stages, preventive measures can often be carried out only occasionally, thermal or chemical

disinfection, on the other hand, are ideal in terms of intervention. GF JRG provides the perfect solution: an environmentallyfriendly, highly efficient electroactivated disinfection unit - the Hycleen Des 30. Many years of experience show that this unit also treats old installation materials with care and therefore proves to be ideal for existing properties.

• Hydraulic calibration of the entire installation• Protection from lime scale if necessary• Periodic cold water flushing

• Assessment of drinking water quality based on various indicators

• Thermal disinfection• Chemical disinfection

• Temperature monitoring• Drinking water sampling


Risk assessment



Looped installation Only top grade products used in the installation


04 02



Hycleen Des 30 – the systematic disinfection unit

The systematic solution Hycleen Des 30 uses only softeneddrinking water and high-purity salt to produce its highly effective disinfectant which is characterized by high reliability, minimal by-products and the lowest corrosion potential. After inoculating the drinking water with the electroactivated disinfectant, the solution is neutralized down the drain within a short time keeping the environmental impact low.

The Hycleen Des 30 unit generates the required electroactivated disinfectant with natriumhypo-chlorit on site. Years of experience with regard to drinking water additives have set high and unique standards.

Environmentally friendly disinfection using waterand salt

The Hycleen Des 30 unit offers facility operators key advantages when disinfecting their drinking water systems:

• Highly effective disinfectant against bacteria – small amounts are sufficient

(fully compliant with the minimization principle)

• Depot effect in the entire drinking water installation system

• Approved disinfectant under Drinking Water Ordinance Sect. 11

• Low risk application; easy to use

• Low risk application – no transport/no storage of dangerous chemicals

• No micro-biologically induced corrosion

• No development of resistance in micro-organisms; biofilms are removed

• Does not impair the lifetime of GF JRG products; years of experience

• Environmentally friendly disinfectant

• Cost-effective technique

Water + salt +electricity

Electroactivated disinfectant with natriumhypochlorit

Top grade drinking water


System structure for drinking water disinfection

Flow meter with scalerMeters the flow rate.

Feed unit Feed unit with shut-off and check valves.

Hycleen Des 30 Contains a membrane reactor,which produces the electroactivateddisinfectant with natriumhypochlorit.Soft water with 0-4 °TH must beprovided.

Monitoring A measuring unit can be used tomonitor the chlorine concentrationand other parameters.

The Hycleen Des 30 is the heart of the whole system and is automatically operated by a central con-trol. For its use on the domestic water inlet further peripheral devices such as system separator, ionexchanger, pre-filter, flow meter, proportioning pump and feed unit must be allowed for and ad-justed to the type of property.

Uncomplicated system configurationThe Hycleen Des 30 is the heart of the whole systemand is automatically operated by a central control. Forits use on the domestic water inlet further peripheraldevices have to be allowed for and adjusted to the typeof property.

The Hycleen Des 30 system comprises three tanks.The tank with Calzid-Ex is used to automatically cleanthe reactor at intervals. The high-purity saline solutionis produced in the large tank whereas anothertank contains the disinfectant.


Ion exchanger

Voltage 230 V Propor-tioningpump


Filter 5 µm Drain Drain


High efficiency, long life

Drinking water hygiene is vital in these facilities

• Hospitals and rehabilitation centres

• Old people’s homes and nursing homes

• Residential complexes, hotels and holiday resorts

• Sports facilities

• Spa baths

• Schools and daycare centres

• Administrative buildings

• Indoor event venues

• Military facilities

• Penal institutions

ReferencesGF JRG engineers faced special challenges when securing the drinking water quality in large existing properties such as shown in the references below.

Residential village in Germany totalling 20 housesand a central water distribution Challenge: Only occasionally occupied and used properties resulting in long stagnation periods of drinking water.

Hospital in Germany totalling 680 rooms Challenge: 20-year old drinking water distribution with variousmicrobiological loads.

Sports and Indoor Event venue St. Jakob in Basel Challenge: Greatly varying consumption rates of drinking waterresulting in microbiological loads in the course of years.

Numerous customers have used the electroactivated disinfectant with natriumhypochlorit for morethan ten years and confirm its high efficiency against bacteria such as Legionella and Pseudomonas.Using the Hycleen Des 30 unit does not impair the lifetime of GF JRG materials - neither in cold nor inhot water lines.


Description Unit ValueProduction volume (neutral anolyte) l/h 30

Free chlorine in natriumhypochlorit (EN 901) mg/l < 200 Production volume NaOCl/NaOH l/h 20/20Disinfectant type neutral anolyte or anolyte selectableConnection dimension disinfectant tanks DN 8

Drinking water inlet pressure bar 3 - 10System pressure bar 1,8Process adjuvant - high-purity saturated saline solution g/l 0 - 2,0Operation Switch 4 Automatic process control PLCLevel monitoring disinfectant, Calzid-Ex Switch inductiveIn-process cleaning with Calzid-Ex (organic acid mixture) automatedConsumption of Calzid-Ex depending on drinking water hardnessOperating temperature in the room °C 15 - 35Relative humidity % < 45Protection class IP 54

ConnectionsPower inlet (frequency 50 Hz) V AC 230 ± 10%Power consumption W 350Fuse A 13Drinking water connection DN 15, AG ½“Drinking water volume l/h 50Unit feed water hardness °dH < 2Drinking water temperature °C 15 - 22Minimum drinking water pressure at the unit inlet bar 3,0Minimum drain connection DN 65Drain connection (pipe diffusion sealed) DN min. 20Ventilation m3/h 20Saline solution tank l 100Natriumhypochlorit tank l 60Calzid-Ex tank l 60

Dimensions (W x H x D) 1472 x 1750 x 574Wall mounting (W x H) 1800 x 2000Unit weight (tank empty) kg 90Unit weight (tank full) kg 235Certification CE approvedApproval of the disinfectant German Drinking Water Ordinance Sect. 11

Maintenance interval annual

AdditivesHigh-purity salt kg 25Calzid-Ex kg 25


The Hycleen Des 30 unit generates an natriumhypochlorit disinfectant on site that is highly effec-tive against germs, bacteria, biofilm, and viruses.

37 249 622 (11.14) SMS © Georg Fischer JRG AG Hauptstrasse 130CH-4450 Sissach/Switzerland Telefon +41 (0) 61 975 22 22 [email protected] in Switzerland

GF Piping Systems

Worldwide at homeOur sales companies and representatives ensure local customer support in over 100 countries.


The technical data are not binding. They neither constitute expressly warranted characteristics nor guaranteed properties nor a guaranteed durability. They are subject to modification. Our General Terms of Sale apply.

Argentina / Southern South AmericaGeorg Fischer Central Plastics Sudamérica S.R.L.Buenos Aires, ArgentinaPhone +5411 4512 02 90Fax +5411 4512 02 [email protected]/ar

AustraliaGeorge Fischer Pty LtdRiverwood NSW 2210Phone +61 (0)2 9502 8000 Fax +61 (0)2 9502 [email protected]/au

AustriaGeorg Fischer Rohrleitungssysteme GmbH3130 HerzogenburgPhone +43 (0) 2782 856 43 0Fax +43 (0) 2782 856 [email protected]/at

Belgium / LuxembourgGeorg Fischer NV/SA1070 Bruxelles/Brüssel, BelgiumPhone +32 (0)2 556 40 20Fax +32 (0)2 524 34 [email protected]/be

BrazilGeorg Fischer Sist. de Tub. Ltda.04571-020 São Paulo/SPPhone +55 (0)11 5525 [email protected]/br

CanadaGeorg Fischer Piping Systems LtdMississauga, ON L5T 2B2Phone +1 (905) 670 8005Fax +1 (905) 670 [email protected]/ca

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Middle EastGeorg Fischer Piping Systems (Switzerland) LtdDubai, United Arab EmiratesPhone +971 4 289 49 60Fax +971 4 289 49 [email protected]/int

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RomaniaGeorg Fischer Rohrleitungssysteme (Elvetia) S.A. SUCURSALA BUCURESTI020257 BucurestiPhone +40 311 040 492Fax +40 212 317 [email protected]/int

RussiaGeorg Fischer Piping Systems (Switzerland) LtdMoscow Representative Office125047 MoscowPhone +7 495 258 60 80Fax +7 495 258 60 [email protected]/ru

SingaporeGeorge Fischer Pte Ltd528 872 SingaporePhone +65 6747 0611Fax +65 6747 05 [email protected]/sg

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SwitzerlandGeorg Fischer Rohrleitungssysteme (Switzerland) AG8201 SchaffhausenPhone +41 (0)52 631 30 26Fax +41 (0)52 631 28 [email protected]/ch

TaiwanGeorg Fischer Co. Ltd.24158 New Taipei CityPhone +886 2 8512 2822Fax +886 2 8512 [email protected]/tw

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USA /CaribbeanGeorg Fischer LLC92618 IrvinePhone +1 714 731 88 00Fax +1 714 731 62 01Toll Free 800/854 40 [email protected]

International Georg Fischer Piping Systems (Switzerland) Ltd8201 Schaffhausen/SwitzerlandPhone +41 (0) 52 631 30 03Fax +41 (0) 52 631 28 [email protected]/int

37 732 62e (4.16) SMS© Georg Fischer JRG AG Hauptstrasse 130CH-4450 Sissach/Switzerland Telefon +41 (0) 61 975 22 22 [email protected] in Switzerland