Camfil Farr Air Pollution Control (APC)now offers its Gold Series® cartridge dust collector with an optional integrated HEPA safety monitoring filter. Mounted on top of the collector so that no additional floor space is required, this after-filter prevents collected dust from re-entering the workspace if there should be a leak in the dust collector’s primary filtering system. It is a required component in recirculating dust collection systems that recycle air downstream of the collector when filtering hazardous dusts.
Each module incorporates two HEPA filters capable of handling 2500 cfm (4248 cmh) of air per filter and rated to remove 99.97% of airborne particles of 0.3 micron in diameter and larger. Unlike some after-filters which are installed downstream of the fan with the filter at positive pressure, the Gold Series’ integrated design maintains the after-filter at negative pressure, preventing contaminated air from escaping in the event of a leak. The design also allows convenient access to the HEPA filters and easy change-out via the same platform used to access the primary filters.
Recirculating dust collection systems are gaining in popularity because recycling of heated or cooled air back through the plant downstream of the collector brings significant energy savings. The systems are also growing in demand due to a strict upcoming EPA regulation which states that contaminated air can no longer be exhausted outdoors in a large number of U.S. metalworking applications.
The popular Gold Series® cartridge collector combines rugged heavy-gauge construction with high efficiency, compact design and ease of service. Its modular design provides optimum field flexibility and short manufacturing lead time. It is equipped with the award-winning patented HemiPleat® filter, which offers greatly extended service life and lower pressure drop than standard cartridge filters.
For information on Gold Series collectors with integrated HEPA safety monitoring filters, go towww.farrapc.com.
-- Camfill Farr
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