Filter  >  UV Sterilisation  >  Cintropur UV-Sterilization

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UV 2100  

UV 2100

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  UV 4100  

UV 4100

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  DUO-UV (25W)  

DUO-UV (25W)

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TRIO-UV 25 W  


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  TRIO-UV 40 W  


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Clean water without compromise - Achieve perfect disinfection with CINTROPUR® UV technology


UV irradiation technology has established itself as a simple and efficient method for water sterilization. With a wavelength of 253.7 nm, UV irradiation emulates the natural part of sunlight, generating artificial UVC rays. These powerful UVC rays are particularly effective in killing microorganisms such as Legionella, bacteria, viruses, and protozoa. UV irradiation provides a proven solution for water disinfection without harming the environment.

The applications of UV irradiation are diverse, ranging from rainwater and well water treatment to ensuring desired water quality in tap water and spring water applications. UV irradiation ensures a constant and bacteriologically safe water quality, even for stored water in containers such as caravans or boats.

Thanks to UV irradiation technology, the benefits of water sterilization are manifold. It offers easy and fast installation, complete physical sterilization without the use of chemicals, a natural taste and odor of water, and proven efficacy in controlling pathogenic microorganisms. Moreover, it requires minimal maintenance.

With CINTROPUR as the leading provider of UV systems, you can benefit from additional advantages. The compact UV units offer optimal treatment with integrated flow restrictors and convenient maintenance overviews. High-quality components and professional craftsmanship guarantee efficient and reliable performance. CINTROPUR also offers specialized UV systems that can be used in combination with filtration and activated carbon application.

Discover the comprehensive possibilities of UV irradiation technology for clean and safe water at Kwerk GmbH. Rely on our high-quality UV systems and benefit from years of experience and expertise in the field of water sterilization.


a) Rainwater: UV treatment expands application possibilities and provides increased safety in utilization.
b) Well water: Preventing potential contamination by pathogens.
c) Tap water: Ensuring desired water quality and early detection of deviations.
d) Spring water, surface water: Ensures a constant, bacteriologically safe water quality.
e) Stored water in containers (caravans, boats): Using stored water for hygienic purposes.


a) General use in kitchen and bathroom
b) Cooking and food preparation
c) Large volume refrigerators
d) Coldwater fountains
e) Aquariums
f) Food washing sinks
g) Animal breeding: Chickens, rabbits, ducks - Microorganism-free drinking water, especially free of pathogens.


- Easy and fast installation
- Complete physical sterilization through UV irradiation
- Natural water treatment without the use of chemicals and the risk of overdosing
- No unpleasant taste or odor
- Proven efficacy in controlling pathogenic microorganisms for humans
- No harmful byproducts
- Low maintenance requirements

Advantages of CINTROPUR in the UV process:

- More compact than other UV systems
- Integrated flow restrictor for optimal treatment
- Convenient maintenance overview
- Selection of high-quality components
- Professional craftsmanship
- Efficient treatment with biodosimetric testing as evidence
- Units available for flow rates from 1 to 10 m³/h
-  Standard and special versions available
-  Possibility of combining UV irradiation, filtration, and activated carbon application.

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Plastic pipe systems

Overview of plastic pipe systems
Technical information on ABS pipe systems
Technical information on PVC  U pipe systems
Technical information on PVC  U transparent pipe systems
Technical information on PVC  C pipe systems
Technical information on PP pipe systems
Technical information on PP-R pipe systems
Technical information on PE pipe systems
Technical information on PVDF pipe systems

Chemiedur - pipe

Technical information on UP-GF (FRP) pipe systems
UP-GF (FRP) pipes
UP-GF (FRP) molded parts and connection
UP-GF-PP (FRP) molded parts and connection
UP-GF (FRP) adhesive collars
UP-GF (FRP) loose flanges
Pot Strainer DN 200 - DN 500 Inliner PP/FRP Coated
Pot Strainer DN 200 - DN 500 Inliner FRP/CBL Coated
Angle Seat Strainer DN 200 - DN 400 Inliner FRP/CBL Coated
Manhole mad of FRP and PP/FRP

Plastic pipes

Calculator for cutting pipes
Guidelines for sawing plastic pipe
Leftovers in plastic pipe
Standardization of plastic pipes and molded parts
PVC U pipes deviations
Pressure loss in pipe systems out of PVC U, PVC C and ABS pipe systems
Distinction between Rp, R and G threads
Screw lengths for flange connections

Plastic fittings

PVC U transparent ball valves
Diaphragm valves
Block valves
Butterfly valves
Plastic needle valves


Plastic Valves according to ATEX

New EU guideline 2014/34/EU
Plastic Valves in EX zones
Y-Strainers PP-EL DN 15 - DN 50
Check valves PP-EL DN 15 - DN 50
Angle seat valves PP-EL DN 15 - DN 50

Bonding of plastic pipes

Bonding manual
Video showing the bonding of pipes

Plastic welding

Guidelines for extrusion welding

Grids / support grids

GFK grids
Grids out of PP -el electrically conductive
Profile support grids out of PP -el electrically conductive

Molded ventilation parts

Ventilation technology

Chemical hose

PVC transparent hose with fabric inlay

Industrial tanks and chemical containers

Dosing tanks and outer containers 35 – 1000 Liter
Salt dissolving tanks 60 -5000 Liter
Storage tanks and vats
Storage tanks for water
Safety and collecting troughs
Industrial tank delivery program
Dosing tanks with agitator
Dosing tank agitators
Dosing tanks with attachments
Dosing tanks made of sheet material
Customized chemical containers
Dosing tanks with level indicators



IBC screw caps DN 150/DN 200
IBC adapters out of PE
IBC adapters out of PP

Attachment parts for tank construction

Vapor separators
CO2 - absorbes
Revision nozzles
Block flange

Filter housings and filter cartridges

PENTEK 3G Slime Line filter housings
PENTEK 3G Standard filter housings
PENTEK Big Blue filter housings
PENTEK PP high temperature filter housings
PENTEK PP all nature filter housings
PENTEK filter bags for Big Blue filter housings
PENTEK surface filter cartridges
PENTEK filter cartridges for depth filtration
PENTEK filter cartridges with activated carbon
CINTROPUR filter systems
CINTROPUR water filters

Flange configurator

Blind flanges, loose flanges,  rectangular flanges

Chemical resistance

Table of chemical resistance for plastic pipe systems

Machined plastic parts

Screw-in parts
Threaded fittings
Screw fittings

Milled plastic parts

Loose flanges and blind flanges made of sheet material

Static mixers

Static mixers made of plastic


Single-type and double-type strainers
Pot strainer DN 300
Angle seat strainer DN 500

Flow meters

Variable area flow meters
Configuration tool for flow meters

Filter presses

Laboratory filter presses

Injection molded parts

Scraper made of PE for filter press

Kwerk Practice Blog

The Kwerk team blogs from the field here

Partnership at the highest level.