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Cv Calculator

Please use the following Quick Calculator to get an approximate sizing for the three main fluids listed. For Exact Sizing Please go to the our Valve Selection Form for our evaluation and Response.  These formulas were derived from Leslie Controls Engineering Data Reference Tables.

 

Cv Calculator

  Enter Inlet Pressure (PSIG)
  Enter Outlet Pressure (PSIG)
  Enter Temperature (F) (required for air)
  Enter Flow Rate (Steam #/hr, Water USGPM, Air SCFH)
Please indicate the process fluid Steam Water Air
              Process Cv

The best valve for this process will have a Cv slightly higher than the process Cv.

Valve Size Leslie DLO Series Leslie GPK Series Trerice 910T Series
1/2" 4 3.7 2.8
3/4" 9 6.1 8
1" 15 10.9 12
1 1/4" n/a 15 21
1 1/2" 30 21.3 30
2" 57 25.1 47
2 1/2" 83 35.8 69
3" 120 55.8 90
4" 201 74.3 196
6"      
8"