2:1 Ratio Gas Pressure Boosters • 0-20 scfm
This gas booster compressor uses shop air to boost the pressure of an inert gas stream. Shop air is fed to the cycling control valve and the gas stream is connected to the boost cylinder inlet port. The air piston reciprocates automatically and drives the gas compressor piston.

Between the air cylinder and the gas cylinder there is a distance piece with a vent port which prevents cross contamination between the shop air and the gas.

The booster is unlubricated, and uses filled Teflon piston seals and rod seals. It requires no electricity, cooling water, or air-line lubricator and is explosionproof.

Gas Supply Pressure
in
psi
Maximum Gas Flowrate in scfm
with 90 psi Shop Air
Gas Discharge Pressure in psi
100
125
150
175
200
50
12
5
0
60
15
9
0
70
17
12
4
0
80
19
15
9
0
90
21
18
12
0
100
21
16
6
0
110
23
17
11
0
120
22
15
4
The maximum discharge pressure is equal to the sum of the gas inlet pressure and the shop air pressure. The table on the left shows the maximum flowrate capability with 90 psi shop air and a typical range of inlet and discharge gas pressures.

Both the gas flowrate and the gas discharge pressure can be controlled by throttling the drive air flowrate and/or regulating the drive air pressure. When there is no demand for high pressure gas, the booster stalls when it reaches the maximum discharge pressure. When there is a need for high pressure gas, the pressure in the discharge line drops which causes the booster to restart automatically.
Model 4040AAV24
$3025
340 psi Maximum Pressure
22"Lx8"Wx9.5"H • 42 pounds
4040AAV24 Assembly Drawing.pdf

4040AAV24
Technical Manual.pdf

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Model S4040N3 System
$4150
340 psi Maximum Pressure
3.5 Gallon Receiver Tank
23"Lx14"Wx23"H • 75 pounds

Not Shown
Model S4040N12 System
$4300
225 psi Maximum Pressure
12 Gallon Receiver Tank
27.5"Lx14.5"Wx24"H • 100 pounds

S4040N3 Brochure
S4040N3 Instructions
S4040N3 Assembly Drawing

S4040N12 Brochure
S4040N12 Instructions
S4040N12 Assembly Drawing

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Last Revised 1/1/08