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
CD: .65

Figure A.13 Critical Orifice Calibration Curve

(LS20700, LS2580)

HYDROBLOC LS SERIES
PURGE CURVES