Kindly Design An Gravity Louvered Grill,
It is Required For Staircase Pressuriation System
Design Thickness Of Blade Such That It Should Lift When Pressure Exceeds 50 Pa,& Close When Pressure Drops 50 pa
It Is a 20 Storey Building ( 20 Staircase)
System Pressure 50 Pa
Kindly Design With The Following Parameters.