Calculate the Percentage of Open Area of a Shutter Type Screen

Input
Diameter inches mm
Slot Size inches mm
Slots per Foot  
Slot Length inches mm
Amount of Screen (ft)  
Total GPM  
% Screen Unobstructed %  
 

( Ful Flo Shutter Screen data table For Stainless, HSLA, and Copper-Bearing Steels)

( Ful Flo Shutter Screen data table For Mild Steel)

( Super Flo Shutter Screen data table For Stainless, HSLA, and Copper-Bearing Steels)

 
Result
Q (ft3 per sec)  
GPM Per Foot of Screen  
OPEN AREA (sq. in.)  
OPEN AREA % %  
Entrance Velocity (EV) ft/sec  
Head Loss Through Screen (in feet)  
Head Loss Through Screen (in inches)