• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
IN Double Orifice Air Valve Irrigation Network
  •  Main Irrigation Networks – Air relief, protection against air accumulation and vacuum formation downstream of pumps, along supply lines and at elevations in main irrigation networks.
  • Irrigation Control Heads – Air relief, protection against air accumulation and vacuum formation at filtration and fertilization stations and downstream of main control valves. ƒ Infield Systems – Protection against air accumulation and vacuum formation in proximity to water meters and automatic regulators.
  • Landscape Irrigation – Protection against air accumulation and vacuum formation. 
  • Pumping stations - Maximising pumping efficiency, priming capabilities and reducing the possibility of pressure surges during power failure modes.

Features

  • SS float,
  • float guides and guide ring,
  • gunmetal orifice cover and orifice bracket

Specifications

  • Air Valve,
  • designed according to EN1074 - 4,
  • Standard flange drilling to EN1092-2 (ISO 7005-2)
  • Variant: 851/28-001
  • Connection: Flanged
  • Material: Ductile Iron
  • DN: DN50-150mm