All Welded Wedge wire screen is made from two elements, outside V-Shaped wire & Inside rods.
The V-Shaped wire is spirally wrapped on a cage made of longitudinal rods.
The Intersecting of shaped wire & road is welded to eachother by resistance welding.
due to resistance welding the weld joint is very strong.
The gap between two adjacent shaped wires from a V-shaped slot continuously & across the periphery
of screen. This gap or opening is entry for water coming from aquifer to well.
This gap is called slot for screen.