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Wire Mesh Products
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Glossary
Products - Wire Mesh

United Wire - Wire Screen Mesh for Screener Separators Sifters

Glossary
Wire Screen Mesh for Screener Separators Sifters
Aperture (w)   Space between adjacent parallel wires, in mm. -- [(25.4 / n) - d]
Wire Diameter (d) Diameter of wire before weaving, in mm.
Mesh Count (n) Number of apertures per lineal inch measured from the centre of one wire to a point 1 inch (25.4 mm) distant. -- [25.4 / (w + d)]
Pitch (p) Distance between the centers of two adjacent wires in mm, i.e. w + d. -- [25.4 / n]
Warp Wires running lengthwise in the cloth as woven.
Weft Wires running crosswise in the cloth as woven.
Open Area The fractional open surface area of the wirecloth in flow direction (applicable for square meshes only). -- [(wý) / (w + d)ý * 100]
Porosity The fractional void volume of the mesh.


Wirecloth Types

Wire Screen Mesh for Screener Separators Sifters Plain Weave is the most commonly used weave. Each weft wire passes alternatively over and under each warp wire and vice versa. Warp and weft diameters are generally the same. Plain Weave meshes are available with apertures from 10.7 mm (2 mesh) to 0.05 m (325 mesh).
Wire Screen Mesh for Screener Separators Sifters Twill Weave is stronger than Plain Weave. Each weft wire alternatively crosses over two, then under two warp wires. Twill weave is usually used to accomodate a heavier than standard wire diameter in association with a given mesh.
Wire Screen Mesh for Screener Separators Sifters Hollander Weave is a Plain Weave but with the warp wires of a larger diameter than the weft wires. The weave is made up of a limited number of warp wires interwoven with the maximum number of weft wires producing a very strong and firm cloth.
Wire Screen Mesh for Screener Separators Sifters Reverse Hollander Weave is the reverse of the Plain Hollander Weave, ie. it has more and finer warp wires and fewer and heavier weft wires.
Wire Screen Mesh for Screener Separators Sifters Hollander Twill Weave is similar to the Plain Hollander Weave, except that the pattern is twill, i.e. a double layer of weft wires. There are no apertures in the true sense of the word, and the filtrate follows a sinuous path through the depth of the wirecloth.
Wire Screen Mesh for Screener Separators Sifters Five Shed Weave is a weave in which each wire passes over four wires and under one, the diameter of both wires being the same in most cases. The next adjacent wire repeats the pattern but starts two wires on from the first, producing an almost flat surface on one side. This creates a very dense weave and an exceptionally strong cloth.

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