Johnson well screen

Johnson well screen is also called wedge wire screen or continuous slotscreen,which consists of wedge-shape profile wire and the longitudinal supportrods. each intersecting point of these wires is fusion welded.so water wellscreen has sturdy constriction and good mechanical property.the wedge-shapesection plane can avoid blockage,and make sure of the unimpeded water.theconsecutive slot have more open area,and water well screen can reduce the speedof the water entering to aviod the sand entering the screen under the greatpressure,so wedge wire water well screen pipes can filter sand better.meanwhile ,the slot can change according tothe real condition of the earth.