Size Unit
Size range
Pressure rating
Working pressure range
A.R.I. D-43 2"
0.1-10 barA.R.I. D-43 3”-8”
0.1-16 barWorking temperature
Maximum working temperature:
60° CMaximum intermittent temperature:
90° CAvailable construction materials
Reinforced Nylon
End connection type
Threaded male or female BSPT/NPT (2”, 3”)
Flanged ends to meet various requested standard (3”-8”)
Optional add-on components
One-way, Out-only attachment, allows for air discharge only, prevents air intake.
Adjustable Non-Slam disc, can also be optionally retrofitted on existing D-43 air valves.
Animation of A.R.I. D-043 operation
Animation of A.R.I. D-043 NS operation
Animation of Surge Protection at Pump Stations with A.R.I. D-43 NS Air Valves + Bladder Tanks