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Johnson Screens, also called Wedge Wire Screen,Slot Tube, It is made of stainless steel wire, which is the most popular type because of outstanding chemical stability and corrosion resistance.
The Johnson Screens is composed of working profile and support profile. It is produced on an wedge wire screen welding machine. The support profiles is placed on the suit position of the machine, during the surface profiles are spirally wounding, the support profiles are welded onto the surface profiles.