Passive Water Intake Screens also knows as Johnson screens.Itconsists of V-shape profile, longitudinal support rods, wrapped with the wire that which has high strength
and minimum weight.Also for diameter more than 600mm will have circular reinforcing rings to confirm the roundness and strength.
Advantagesof Johnson type passive water intake screens:
1. Reliable water delivery
2. Lower cost
3. Lower maintenance cost
4. Very low slot velocity and uniform flow
5. Environment friendly
6. Bio-fouling resistant screens material