44AAV24 Air Booster

2 to 1 Boost Ratio, 0-40 scfm Flowrate

This shop air pressure booster uses shop air to boost the pressure of a separate air stream. The maximum discharge pressure is 2 times the shop air pressure. The table below shows the maximum flowrate capability at various discharge pressures versus several shop air supply pressures.


The major components of the 44AAV24 Model air booster are made of anodized aluminum. The hardware components, check valves and piston rod are stainless steel. Between the drive cylinder and the boost cylinder there is a distance piece with a vent port which prevents cross contamination between the shop air and the boost air. The booster is non-lubricated, and uses filled Teflon® piston seals and rod seals. It requires no electricity, cooling water, or air-line lubricator and is explosion proof.


Shop air is fed into the 4 inch diameter drive cylinder and the 4 inch diameter boost cylinder. The drive piston reciprocates automatically, driving the boost piston. The discharge flowrate and pressure can be controlled by throttling the drive air flowrate and/or regulating the shop air pressure. When there is no demand for high pressure air, the booster stalls when it reaches the maximum discharge pressure. When there is a need for high pressure air, the pressure in the discharge line drops which causes the booster to restart automatically. No shop air is consumed when the booster is stalled.

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  Flowrate in SCFM
Air Supply Pressure (psi) Air Discharge Pressure (psi)
80 90 100 110 120 130 140 150 160 170 180 190 200
60 35 31 25 16 0                
80       37 34 30 25 14 0        
100             43 40 37 33 28 11 0
2:1 Air Booster

Model 44AAV24 $4300

  • 2:1 Air Booster
  • 348 psi Maximum Pressure
  • 23"(L) x7.5"(W) x9.5"(H) • 34 pounds

3D Model is available - contact us

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