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After years of supplying filter bag products to the process industries, Rosedale has developed a new filter bag that meets
even more exacting requirements,
extending their use to finer process filtration and to hydraulic and lubricating fluid filtration. Rosedale Beta Bag® filter bags are made of a unique multilayer polyester felt, encased in spun-bonded nylon to prevent possible migration of bag material into the fluid stream. They're rated by the multi-pass method of filter performance
evaluation, so that direct comparison can be made between Beta Bag® filters and cartridges of rigid construction using cellulose or synthetic elements, pleated or non-pleated. They compare very well:
- Because disposable Rosedale Beta Bags® are fitted into and supported by perforated-metal baskets, you need not be concerned with filter collapse, flow fatigue, or filter end-load problems.
- Beta Bags® can be installed and removed from their housings in a fraction of the time required to service rigid cellulose or synthetic element cartridge filters.
- Beta Bags® cost less than cylindrical filter cartridges, and they fold flat for more compact storage.
- Polyester/nylon bag materials are more resistant to the chemical additives in today's hydraulic and lubricant fluids (especially the high water base fluids), as well as the chemicals in Table IV.
- Prevention of possible media migration is assured by the spun nylon cover.
All Beta Bags® have a metal
retaining ring sewn in their
openings. Standard ring material
is carbon steel, with a 316 stainless steel optional. They hold the bag in place and prevent fluid bypassing the element.
Heavy-duty handles, sewn to the reinforced bag lip, are a standard feature. They make bag removal faster and easier.
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