ABB TX series - 11 Appendix B Conversion Table

20 TX Thermal Disperson Level Switches | Operating instruction manual
11.0 APPENDIX B - Conversion Table
Examples:
Example 1: 100 CFM in 4” line = 100 x .1884 = 18.84 F.P.S.
Example 2: 10 G.P.M. in 3” line = 10 x .0434 = .434 F.P.S.
Test Conditions: 60°F, 14.7PSIA, SCH. 40 Line