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420T

420TAAV090 Air Booster

10 to 1 Boost Ratio, 0-3 scfm Flowrate

The model 420TAAV090 air pressure booster uses shop air to boost the pressure of an air stream. The boosted air stream can be the same shop air stream used to drive the booster or a separate air stream. The maximum discharge pressure (MDP) is related to the piston area ratio, the shop (drive) air pressure (DA) and the boosted air (BA) inlet pressure. The maximum discharge pressure can be calculated using the equation listed below.

[(10.8 x DA) + (3.1 x BA)] / 1.4 = MDP

Construction

The major components of the 420TAAV090 Model air booster are made of anodized aluminum. The hardware components, check valves and 4-way control valve 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 TeflonŽ piston seals and rod seals. It requires no electricity, cooling water, or air-line lubricator and is explosion proof.

Operation

The 420TAAV090 Model air booster has a two stage boost cylinder. The boost cylinder pulls air in the first stage and pushes it into a second stage. The first stage and second stage cylinders have a volume difference created by the piston rod. This volume difference causes the pressure to increase from the first stage to the second stage. The second stage pushes the boost air into the discharge line. The shop air piston reciprocates automatically, driving the boost air piston. The discharge flowrate and pressure are controlled by throttling the shop 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 demand for high pressure air the pressure in the discharge line drops and the booster restarts automatically. A very small quantity of shop (drive) air is consumed when the booster is stalled.

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Boosted Air Discharge Pressure (psi)

Air Supply Pressure* (psi) Boost Air Flow Rate (SCFM)
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
60 575 564 560 556 552 544 533        
80 768 758 752 745 741 735 728 720 710    
100 958 947 941 938 935 932 929 925 920 912 900
* drive-air supply and boost-air supply pressures are equal Discharge Pressure (psi)
10:1 Air Booster
420T

Model 420TAAV090 • $4200

  • 10:1 Air Booster
  • 1305 psi Maximum Pressure
  • 23"(L) x 8.5"(W) x 6"(H) • 31 pounds

3D Model is available - contact us

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