Part Number: 2A33687
Release Date: 8/27/2015
Revision: B
16
EXL Back Pressure Relief Valve Calibration Guide (Cont.)
Values in this chart should be considered preliminary and if the predicted gas pressure does not produce the
desired set pressure, you may have to adjust the regulator up or down. Some of the factors affecting
performance include ambient and liquid temperature, and the gas media used.
3” EXL Back Pressure Relief Valve Set Pressure vs. Nitrogen Pressure Performance Data
Line
Set
Pressure
PSI
Required
Nitrogen (or gas)
Pressure
PSI
350 0
500 14
1000 28
1500 41
2000 55
2500 69
3000 83
3500 97
4000 110
4500 124
5000 138
5500 152
6000 166
6500 179
7000 193
7500 207
8000 221
8500 234
9000 248
9500 262
10000 276
10500 290
11000 303
11500 317
12000 331
12500 345
13000 359
13500 372
14000 386
14500 400
15000 414
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