42AAV48 Gas Boosters and System

5 to 1 Boost Ratio, 0-8 scfm Flowrate

This gas booster uses shop air to boost the pressure of an inert gas stream. The maximum discharge pressure is the sum of the gas inlet pressure plus 4 times the shop air pressure. The table below shows the maximum flowrate capability with 80 psi shop air and a typical range of inlet and discharge gas pressures.


The major components of the gas booster are anodized aluminum. The hardware components, check valves and piston rod are stainless steel. The air cylinder and gas cylinder are seperated by a distance piece which prevents cross contamination between the shop air and the gas. The boost cylinder has a cooling jacket which uses exhaust air from the drive cylinder as the cooling medium. 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 gas stream is fed into the 2 inch diameter boost cylinder inlet port. Both the gas flowrate and the gas discharge pressure can be controlled by throttling the shop air flowrate and/or regulating the shop air pressure. The air piston reciprocates automatically and drives the gas compressor piston. When there is no demand for high pressure gas, the boosters stall when the maximum discharge pressure is reached. When there is a need for high pressure gas, the pressure in the discharge line drops which causes the boosters to restart automatically. No shop air is consumed when the boosters is stalled.

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  Maximum Gas Flowrate in scfm Driven with 80 psi Shop Air Pressure
Gas Supply Pressure (psi) Gas Discharge Pressure (psi)
200 225 250 275 300 325 350 375 400
60 10.0 9.5 9.0 8.2 7.5 6.2 5.0    
70   10.6 10.0 9.5 9.0 7.7 6.4 3.0  
80     11.2 10.5 9.7 8.7 7.6 3.8  
90     12.5 11.4 10.5 9.7 9.0 4.5  
100         12.0 11.2 10.5 7.4 4.4
5:1 Gas Boosters

Model 42AAV48 $3500

  • 5:1 Gas Booster
  • 695 psi Maximum Pressure
  • 23"(L) x6"(W) x9.5"(H) • 31 pounds

3D Model is available - contact us

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Model 42AAV48-ACG $3900

  • 5:1 Gas Booster with Drive Controls
  • 695 psi Maximum Pressure
  • Drive Air Regulator
  • 23"(L) x10"(W) x11"(H) • 34 pounds

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5:1 Gas Booster System

5.5 Gallon Tank

Model S42N5 Gas System $6300

  • 5:1 Gas Booster System
  • 590 psi Maximum Pressure
  • 5.5 Gallon Receiver Tank
  • Drive Air Regulator
  • 29 "(L) x16"(W) x20"(H) • 81 pounds

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