OA Series Filter Bags
The OA Series filter bags have a high oil and hydrocarbon absorption capacity, and are available rated at 1-25 micron with particle removal efficiencies >90%.
The filter bag has 3 or 4 layers depending on micron rating, and includes a central polypropylene microfibre layer with enhanced oil and hydrocarbon absorption properties, and an outer cover to eliminate fibre migration and give added support to the filter media. It is constructed with sewn seams, with a choice of any ring type, including our Welseal polypropylene collars.
Originally designed to remove silicones, fluorocarbons and hydrocarbons from electrocoat paints in the automotive industry, like all our filter bags, the OA Series is manufactured under silicone free conditions.
The OA Series filter bags have excellent particle removal efficiencies, and therefore are not only used in applications requiring the oil absorbent properties of the filter media. For example, the OA Series is well suited to applications requiring an increase in filtration efficiency compared to using standard nominal rated felt bags or where industrial filter cartridges are used.
To give longer service lifetimes, the OA filter media can also be combined with a pre-filter layer of standard needlefelt or extended life filter media.
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Standard Filter Bag Overview
Read moreAllied Filter Systems Ltd manufactures high quality liquid filter bags to fit standard size filter vessels, as well as custom designed products where requested. The constituent materials have been chosen for their purity, consistent high quality and repeatable performance.
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Sewn Needlefelt Filter Bags
Read moreTraditional sewn needlefelt filter bags are a versatile and cost effective media providing a high solid holding capacity for both non-deformable and deformable, gelatinous particles. By means of a depth filtration mechanism, particles penetrate and are captured throughout the depth of the filter media.
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Fully Welded Filter Bags
Read moreAll seams are welded rather than sewn, and combined with our positive sealing moulded Welseal (polypropylene or polyester) welded ring, no process liquid can bypass through needleholes caused by the sewing process or around a traditional metal ring.
