DDF automatic filters with NNGYK approval
Approved automatic filtration technology for drinking water treatment – for water utilities, water treatment plants and industrial users.
An approved, reliable solution
The DANGO & DIENENTHAL Filtertechnik GmbH DDF DN50–900-1 A/S/PN10 automatic filter product family has received drinking water safety approval from NNGYK (NNGYK/54114-2/2026). This provides professional assurance and decision support for anyone looking for approved technology for drinking water treatment.
Key benefits
- Technology approved by NNGYK (Hungarian National Centre for Public Health and Pharmacy) for drinking water safety
- supports automatic backwashing and uninterrupted filtration
- lower maintenance requirements, more stable operation
- suitable for drinking water supply, community water systems, raw water and surface water filtration, up to a maximum of 30 °C
- a significant competitive advantage among approved industrial automatic filters
Request a quotation or technical consultation
Ask our expert colleagues for assistance and find out how DDF technology can support your water treatment processes.
August 2026


























































