Air Valve Sizing

Available Air Pressure:
PSI
Cylinder Bore:
Inches
Stroke Length:
Stroke Inches
Time for Stroke:
Seconds
Volume Required:
Cubic Inches
Cubic Feet per Minute:
CFM
Coefficient of Flow:
Cv (with 2 psi pressure drop)
Cv (with 5 psi pressure drop)
Cv (with 10 psi pressure drop)

Cylinder Size

Available Pressure:
PSI
Force Required:
Pounds
Area Required:
Square Inches
Cylinder Bore Size:
Inches

Air Flow Conversion

Choose circular tubing or rectangular piping and type the required dimension(s), then select the appropriate units.

Height
Width
Radius
Airflow Value
Velocity Units
Volume Airflow Units
ft/min (LFM)
m/s
miles/hr (MPH)
ft3/min (CFM)
m3/hr
L/s

Example

Using the airflow calculator above, type the airflow value of 400 and select LFM as the units. Next type the circular duct dimensions of r = 2 in. After pressing the Calculate Airflow button, read the CFM requirement of 34.91 CFM in the volume airflow units column.