Backflow prevention Durgo VVVF (81312) DN20

Durgo backflow prevention valve for drinking water systems in buildings. The valve prevents contaminations entering the drinking water system in buildings caused by backflow of contaminated water. Vertical flowthrough model with vacuum valve which opens when negative pressure occurs in the system, equalizing the pressure and preventing syphon backflow. Fulfills the backflow requirements in EN1717.
  • Article Number VV-VF-G20
  • RSK No 5021324
  • GTIN-13 7392948131223
  • Connection G20 / G20, male/female thread
  • Type Vacuum valve, vertical flowthrough
  • Material Brass
  • Surface plating Chrome plated
  • Function Preventing backflow of contaminated water
  • Approval / standard Categorized EN 1717 Type HB
  • Product brochure Brochure VV Eng
  • Unit weight incl. pac. (kg) 0.5
  • Customs Stat No 84811099
  • REACH - info ENG The valve is made of brass with more than 0.1% by weight of lead; CAS No. 7439-92-1 a substance listed on the EC Candidate List of Substances of Very High Concern, SVHC
  • REACH - dok ENG REACH info Durgo 2020-06-15_1 EN