• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
TSE Double Orifice Air Valves Treated Sewage Effluent (TSE)

AVK double orifice, triple acting air valves are designed for automatic rapid pipe filling and pipe draining as well as for automatic discharge of accumulated air during normal working conditions. It is designed with GLENFIELD Aerokinetic Principle to ensure that the float orifice is only closed when water enters the valve chamber and raises the float onto the seat.


  • A clever float design prevents air rushing out of the system from prematurely closing the valve
  • Large air flow capacity
  • All iron parts with contact to the water are coated with drinking water approved, fusion bonded epoxy
  • The resilient seals are made of drinking water approved EPDM
  • All other internal parts are highly corrosion resistant AISI 316 stainless steel
  • No moving parts are touching the internal coating
  • The complete product is approved for drinking water


  • Variant: 851/28-001
  • Connection: Flanged
  • Material: Ductile Iron
  • DN: DN50-150mm