Harp screens belong to woven wire screens group. Owing to its unique construction, wavy wires in horizontal or vertical plain and connection type can be placed in self-cleaning screens group. Wire self vibrations provide good material classification without clogging.
That is why those screens are used for hard – separated, wet, clay – like. sugar. Or other mixture materials, mainly for small fractions. Application of such screens is very wide: Harp screens are produced from round wires made of spring steel, chromium steel (stainless) and chrome – nickel steel (acid-proof).