Model
(Note: Final Dash

No. is Area Ratio)
Approximate Stall Point:


Approximate Practical Pressures
Based on 95 PSI Drive,
50% Efficiency s/N2

Maximum Safe
Pressure PSI
Actual
In Per
Cycle
Outlet PSI (Max)
Inlet PSI (Min)
Outlet
Inlet
Single Acting, Single Drive (Single Stage)
7 x Drive Air (No assist from gas inlet)
650
50
2500
2500
13.2
14 x Drive Air (No assist from gas inlet)
1300
100
2500
2500
13.2
30 x Drive Air (No assist from gas inlet)
2800
200
9000
9000
3.1
50 x Drive Air (No assist from gas inlet)
4500
300
15000
15000
1.76
75 x Drive Air (No assist from gas inlet)
7000
500
25000
25000
1.2
Single Acting, Double Drive (Single Stage)
60 x Drive Air (No assist from gas inlet)
5700
400
9000
9000
3.1
100 x Drive Air (No assist from gas inlet)
9000
450
15000
15000
1.76
150 x Drive Air (No assist from gas inlet)
14000
500
25000
25000
1.2

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