Anti-Surge Automatic Air Vent

The DNS air valve allows the release of air pockets during working conditions, the intake of large volumes of air during draining and pipeline bursts and air discharge at controlled speed, preventing water hammer. Suitable for risers in high-rise buildings, pipeline risers, irrigation and treated water pumping stations. Besides, FloControl offers a comprehensive range of WRAS-approved Automatic Air Vents (bottom page).

Anti-Surge Automatic Air Vent

Working Pressure: 40 Bar

  • Body: Ductile Cast Iron
  • Mobile block: Upper disk solid polypropylene, Air release system AISI 316
  • Nozzle and gasket holder: AISI 316
  • Spring and shaft: Stainless steel

Threaded outlet elbow
Fitted with a Y strainer

Technical Notes