Instrument Air Dryer Sizing Calculation 3f561a

Dryer Sizing calculation Instrument Air Dryers are generally rated for the following conditions 100°F inlet temperature 100 psig inlet pressure If inlet temperature and pressure is different from the rated conditions then correction factor is to be multiplied to get the actual capacity In our case, Discharge temperature of the compressor: 125°F (approx) Discharge pressure of the compressor: 139.3 PSI

Temperature correction factor = 0.85 Pressure correction factor = 1.16

V1= V2 x PC x TC

V1 = (260)x(1.16)x(0.85)= 256.36 scfm

V2= Dryer inlet flow SCFM V1= Dryer flow capacity SCFM PC= Pressure correction factor TC= Temperature correction factor Vendor to specify the pressure correction factor & temperature correction factor for sizing the dryers