Experience purity

The Grünbeck fine filters pureliQ:K and pureliQ:KD

pureliQ:K | KD model overview

Fine filter pureliQ:KD photo


rotatable click-type connection flange for convenient installation in all kinds of mounting positions


Well thought-out design with inspection window to protect against UV light


Handwheel & interval indicator for precise adjustment of line pressure and maintenance

Experience purity in terms of design and performance

Hygiene starts with the design. With the perfectly designed pureliQ filter series, we set new standards in water filtration. Intuitive handling and innovative functions make it your filter champion for excellent water purity. Give yourself the gift of a better quality of life and maintain the value of your water installations and appliances thanks to pure water.


Grünbeck’s pureliQ filters: New standards for the pure enjoyment of water.

Solid substances such as rust particles or sand grains may cause severe corrosion damage in pipes and fittings. The pureliQ filters make sure that it won’t come to that in the first place. They are the essential first step of water treatment and effectively protect water installations in household, trade and industry.


The perfect solution for your needs.

Grünbeck’s filter solutions perfectly work in all fields of application. For each and every product is being developed with due diligence and tailored to prevailing needs - designed for today's as well as for future requirements. Through the new development of the pureliQ filter series, we have the perfect solution for your needs. And another feature is incorporated: The good feeling that with Grünbeck you will always enjoy high quality, long life cycles and reliable maintenance and service.

Fine filters pureliQ:K and pureliQ:KD

The fine filters pureliQ:K and pureliQ:KD are designed for the filtration of drinking and industrial water. Solid substances, such as rust flakes or sand grains, may cause serious corrosion damage to pipes and fittings. The fine filters pureliQ:K and pureliQ:KD ensure that it does not come to that. It represents the important first stage of water treatment and effectively protects water installations in households, trade and industry from malfunctions and corrosion damage. The unfiltered drinking water flows into the filter from the inlet side and then from the outside in through the filter element and to the pure water outlet. Depending on the filter element, foreign particles the size of > 5 µm, 20 µm, 50 µm, 100 µm (DVGW version) are thus retained. Our new fine filters pureliQ:K and pureliQ:KD ensure reliable filter capacity for a long period of time by simply replacing the filter cartridge. The fine filters pureliQ:K and pureliQ:KD are designed according to the specifications of DIN EN 13443-1 and intended for installation into the drinking water system according to DIN EN 806-2 (installation immediately downstream of the water meter).

Find the right pureliQ for your needs:

Fine filter pureliQ:KD photo
Fine filter pureliQ:KD photo
Pre-assembled components
Click-type connection flange
Ergonomically shaped pressure reducer handwheel
Inspection window for protection from UV light
Smooth organic design
Connection diamater ¾", 1", 1 ¼" ¾", 1", 1 ¼"
Nominal pressure PN16 PN16
Water and ambient temperature 30°C/40°C 30°C/40°C
Filter fineness 100μm 100μm


Setting standards In detail

The closed design of the pureliQ filter series perfectly protects the filter element from UV light and algae growth. Thanks to the seamless shape of the housing, the surface stays pristine longer and is easy to clean, if needed Hygienic design for ideal water filtration. Made in Germany.


Easy as never before. Installed in a jiffy.

As all components are pre-assembled, the installation, by a specialist installer, is completed within a few minutes. The pureliQ’s rotatable, patented click-type connection flange enables it to be easily installed, using virtually no tools, in all kinds of mounting scenarios.


Excellent water. Child’s play.

Everything under control. The pressure reducer’s specially shaped handwheel to set the pipe pressure, as well as the clearly legible interval indicator for replacement of the filter cartridges, make operation even easier.


According to DIN EN 806-5, A, the filter cartridge has to be replaced or a backwash process must be carried out for hygienic reasons every 6 months in order to ensure the optimum filter capacity and hygiene of the filter system.

View product video

Technical specifications

Fine filter pureliQ:KD photo
20 25 32
Connection diamater 3/4" 1" 1 1/4"
Flow capacity pureliQ:K, Δp = 0.2 bar [m³/h] 2.8 3.7 4.0
Flow capacity pureliQ:K, Δp = 0.5 bar [m³/h] 4.5 6.0 6.3
Flow capacity pureliQ:KD, according to DIN EN 1567 [m³/h] 2.3 3.6 5.8
Installation length without screw connections [mm] 100 100 100
Installation length with screw connections [mm] 185 182 191
Overall height pureliQ:K [mm] 335 335 335
Overall height pureliQ:KD [mm] 335 335 335
Order no. pureliQ:K 101220 101225 101230
Order no. pureliQ:KD 101270 101275 101290