Kaifil

Technical Articles

Read practical guidance on mesh aperture, metal filter construction, materials and inspection before preparing a specification.

How to specify a custom metal filter

A useful metal-filter specification answers five questions: what the filter must separate, how it fits the equipment, what loads and chemicals it will see, how it will be cleaned, and how the finished part will be accepted.

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Filter rating, aperture and beta ratio

How to compare woven openings, porous-media claims and test-rated filter elements without treating every micron number as equivalent.

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Cleaning reusable metal filter elements

Plan a cleaning trial around contaminant, media construction and joint integrity before declaring a metal element reusable.

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Perforated open area and structural support

Calculate theoretical opening area, then check ligaments, support spacing and installed coverage.

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Woven mesh aperture and open area

Select wire diameter and clear opening together; mesh count alone does not define either aperture or flow area.

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Strainer area, pressure drop and maintenance

Specify a basket or cone strainer from debris duty, available area and planned cleaning access.

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Wedge wire slot selection

Set slot width, profile and support arrangement for the direction of flow and solids being retained.

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Demister pad sizing inputs

Record the process conditions needed to specify knitted-mesh mist eliminator pads and their support grids.

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Etched, laser-cut or electroformed screens

Choose a precision-screen process by feature geometry, sheet thickness, alloy and handling needs.

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