Our Experience in UV Disinfection and Competence in Water Treatment make us a reliable Partner
from Planning to Operation and further in Maintenance.
We help our Partners to build the Optimum Solution.

Austrian Quality Products

VISADES Products are
Made in Salzburg, Austria.


VISADES Products are
distributed worldwide.


for our Employees and Partners are the Key to our success.


New VISADES Website


VISADES Technologie & Entwicklungsgesellschaft mbH was developed from decades of experience in the field of “Controls for UV disinfection systems”. The former devices were developed by the company Ing. Viktor Sachs GmbH, which belongs to the company group, and has many years of experience with drinking water treatment.

  • 1976 – 1996: Development and production of the electronics and Maintenance of the complete UV-systems for the company UVAUDES (Hölzli)
  • 1996: Foundation of the company VISA Entwicklungs GesmbH; Principal owner was the company Ing. Viktor Sachs GmbH
  • VISA = Viktor Sachs
  • 2000: Sale of the company VISA with protection of the name VISA
  • 2000 – 2004: Supply contract for the production of VISA plants
  • 2005 – 2006: New development and redesign of the water disinfection systems by company Ing. Viktor Sachs GmbH
  • 2006 – Foundation of VISADES as a subsidiary of the company Viktor Sachs GmbH

Experience combined with innovative Know-How, continuous Development and flexible Management enable VISADES to offer the complete product range competently and specifically to the benefit of our Customers. VISADES UV disinfection systems are Austrian quality products and have been tested by the Austrian Gas and Water Association (ÖVGW, DVGW, SVGW and various others). VISADES offers production according to ISO 9001: 2015, international sales, as well as Services and Maintenance from a single source and can therefore meet customer requirements quickly and flexibly.


VISADES UV Disinfection systems are used where the microbiological quality of water can not be guaranteed. The main application of these systems is in the drinking water area of municipal and private water supplies. VISADES Disinfection systems are also used successfully in emergency supplies for drinking water, rain water use, swimming pool disinfection as well as climate and cooling water treatment. VISADES can also serve another satisfied customer base in the food and pharmaceutical industries.


Irrespective of the different applications, it is subject to certain conditions to dimension a UV Disinfection system.
When dimensioning a UV system, the following parameters of the water to be disinfected and its expected fluctuation ranges must be taken into account in the course of the year:

– Occurring water temperatures and permissible temperature range of the UV system,
– Maximum turbidity,
– Minimal UV transmittance;
– maximum possible flow rate (m³ / h)


We are looking forward to your contact!

Our specialists will be happy to help you without obligation.
All relevant Parameters can be discussed at the same time.

Mauermannstrasse 2
A – 5023 Salzburg
Europe . Austria

Telefon: +43-662-871224-13
FAX: +43-662-871224-10