Johnson bar screen as one type wedge wire screen is known as the equipment for filtration or separation in chemical or industry. But it is also applied in architecture for decoration. The advanced manufacture technology gives the cylinders an average filtering slot and smooth surface.
It is the best choice for kinds of pressure screens in pulp and paper production system. The johnson bar screen is a perforation/hole or slot/wedge wire structure designed to achieve high-efficiency screening of recycled, mechanical, and paper pulp fiber. No weakening of the welds because of flattening (and no stress corrosion problems as a result). It has an accurate distance between support profiles within tight tolerances. The bar screen can have different support wires in one screen and variable spacing between support wires in one screen.