Johnson wire wrapped screen(filter cartridge or water screen or cylinder screen) is the wedge wire screen made by haixing filter Co. in cylinder type.They provide a unique combination of the most important features required for maximum screening efficiency.The product is customer designed,customized slots are considered.They are made from V shaped profile wire,with an unique welding process,offering great strength, precision,long service life.It's advantage include:
Reduces erosion of entry surface & increased well life ;
Allows a uniform & efficient water production ;
Reduces potential pump damage & subsequent maintenance costs .
"V" profile or wedge wire ensures that the filter pack particles make a 'two point' contact across the slot opening. Clogging and loss of open area are avoided, local incrustation and well wall erosion are minimized & well life is enhanced.