Food & Pharmaceutical Grade Filter Bags
Bag filters, when used in food, beverage or pharmaceutical applications, must conform specific standards such as EC directives or FDA. Migration limits of contaminants from polymers into a food product have been imposed, and independent testing and certification of component materials is required to ensure these regulations are satisfied. Stringent manufacturing and warehousing conditions as well as special packaging procedures are also required to eliminate other sources of contamination.
Allied Filter Systems Ltd is a leading manufacturer of food grade filter bags which fully satisfy the above conditions.
The constituent materials have been chosen for their purity, giving low levels of migration and ensuring consistent high quality and performance.
Available materials:
- Polypropylene and polyester needlefelt
- Polypropylene and polyester extended life needlefelt
- Nylon monofilament mesh
- Polypropylene and polyester microfibre
Combined with our positive sealing Welseal (polypropylene or polyester) welded ring, needlefelt food grade filter bags have a fully welded construction as standard. The external surface of the filter bag is calendered or singed, eliminating any possibility of fibre migration into the filtrate. Each bag may be individually wrapped.
All filter bags are manufactured to IS0 9001 quality standards. Further information on food grade products is available on request.
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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.