Air Valve – Double Orifice, Triple Function DN50-DN150 PN40

DN50 to DN150 Temp –10ºC to 70ºC PN40

Applications – Water systems, firefighting and irrigation systems

Manufacture:  BS EN ISO 9001:2015 QMS ISO 14001:2004 EM

Design Standard: BS EN 1074 -4 AWWA C512


  • Flow Media – Clean Water
  • Flange Drilling in accordance to BS EN1092-2
  • Manufacturing standards meets BS EN 1074-4  and AWWA C512
  • Also available in PN10, PN16 & PN25
  • Body Ductile Iron
  • Fasteners Stainless Steel
  • Strong Float to prevent damage during water hammer
  • No Arms or levers – prevents vibrating, bending of the float
  • Smooth cage outside of float to keep float moving in guide rail
  • Bottom rubber buffer for collision prevention
  • Outside screen to prevent ingress of insects etc
  • Fully FBE coated inside and outside 250 μm