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AirGap 75/5

AirGap 75/5 backflow preventer category 5 type AB is type approved according to SS-EN 1717. The installation is swift and simple. It can be placed on the floor or on the wall and uses a minimal amount of space.

Radonett AirGap 75/5 is delivered as a complete unit tested in the factory before delivery. Pre-mounted 3-phase pump (internal), damped design solenoid valve, pressure impact absorbers, adjustment valve, adjusted electrical switch with control board operation of the assembled pump. Internally assembled stainless-steel pump leads to a low sound level and protects the pump from the aggressive environment.


  • Working pressure: 75 l/min at 5 Bar
  • Max pressure out: 7,4 Bar
  • Max flow out: 120 l/min
  • Weight (empty): 50 kg
  • Height: 1 050 mm
  • Width: 520 mm
  • Depth: 330 mm
  • Volume: 118 l
  • Tank in acid-proof stain-less steel: EN 1.4404
  • Water in: Solenoid valve Bürkert 5282 NC R20, 3/4″, hammer damped
  • Water out: R25, 1 1/4″ internal, (ball valve) and hose connection 1″,(ball valve)
  • Control board: Radonett
  • Frequency controll: Optional: Vacon
  • Alarm: Overflow and pump alarm
  • Dry running protection: yes
  • Pump (internal): 1,5 kW, (3-phase)
  • Balancing valve: yes
  • Pressure sensor: Danfoss
  • Power: 3 x 400 V
  • Rated current: 3,5 A
  • Installation: On the floor or on the wall premises with a floor drain in a non-freezing degrees environment

Product leaflet

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Contact Radonett for more information and for installation manual

Back flow preventers