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A - 16 Purge Curves
110
90
70
50
30
200 300 400 500
PURGE GAS FLOW RATE (SCFM)
600
P
1
150 250 350 450 550
20
40
60
80
100
100
10
PURGE PRESSURE P
1
PSIG
650
Orifice Dia. .750
Gas: Air
Temp: 100°F
C
D
: .65
Figure A.13 — Critical Orifice Calibration Curve
(LS20700, LS2580)
HYDROBLOC LS SERIES
PURGE CURVES