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filtration |
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The process of clarifying a fluid or gaseous liquid by the removal (retention) of solid
particles. |
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fine mesh |
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Wire cloth having a mesh count greater than 90 x 90. |
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flat bar fill |
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A flat wire bar woven into a triple shoot screen, replacing the middle shute wire,
providing additional strength. |
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flat top weave |
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A weave with all crimps protruding from the bottom screen surface, resulting in a
smooth, flat screening surface. Also referred to as "smooth top". |
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flooding |
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The effect created when the screen surface is unable to pass fluids through, in wet
screening operations such as washing or dewatering., a result of blinding. |
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fly screen |
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See-"insect cloth". |
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formed edge |
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An edge preparation on the screen surface sides
parallel to the direction of flow, allowing the screen to be fastened securely
to the supporting surface, typically in tension. |
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- G - |
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galvanize |
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To coat iron or steel with zinc, primarily to prevent rust. |
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galvanized-after |
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Wire cloth (wire mesh) woven of
Plain Steel that has been passed through a pickling
process before being dipped into a hot zinc galvanizing bath. This process should not be utilized for mesh counts greater than 8 mesh as smaller
openings tend to blind, reducing the cloth open area.
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galvanized before |
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Wire cloth (wire mesh) woven of high grade steel wire that has been zinc coated
(galvanized) before the weaving process. |
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Gauge |
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A term referring to the measure of wire diameter. The Washburn & Moen Gauge is the
standard in the manufacture of wire cloth in North America |
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glass bead test
( See Micronic Filter Cloth ) |
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A suspension containing glass beads is passed through the mesh - the diameter of the
largest bead passing through is considered as the absolute micron retention.
See - "bubble point test" |
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Grizzly |
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The process where all acceptable material is diverted from the primary crusher to
reduce load and prevent unnecessary wear on the crusher. |
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Grizzly Screen |
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Heavy screen cloth usually having a large opening size and made from large diameter
high carbon or oil tempered wire or rod. |
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