High-efficiency filters by N.R. Murphy result in safer indoor air

N.R. Murphy carries high-efficiency filter media.

N.R. Murphy Limited is known for its range of dust-collection solutions, but the company’s portfolio covers a broader spectrum of industrial air-control products. Among the accessories that the company offers are high-efficiency filter media, which are crucial components that many workplaces need for maintaining clean and safe indoor air.

Since they are ideal for environments that need high levels of cleanliness, the manufacturer recommends these high-efficiency filters for applications that require highly efficient filtration.

Meeting current HEPA standards

The lineup includes absolute high-efficiency particulate air filters, also known as HEPA filters. These are mechanical air filters that operate by forcing air through a fine mesh that entraps hazardous particles like pollen, pet dander, dust mites, and tobacco smoke. N.R. Murphy manufactures, tests, certifies, and labels these filters as per current HEPA standards. These filter media are more than 99.97 per cent efficient for particles as small as 0.3 microns and approach an efficiency of 99.97 per cent for smaller particles.

These filters are most appropriate for the chemical industry and precision-assembly fields. Installation typically needs intermediate or high-efficiency pre-filters upstream of the absolute filter, to keep most dust away and prolong the life of the absolute filter as much as possible. This reduces their filtering efficiency by about 95 per cent with particles that measure 0.3 microns, although they are usable on their own.

This family of high-efficiency filters is manufactured to eliminate a broad range of substances from air, including dust, fumes, pollen, mould, bacteria, viruses, and oil or tobacco smoke. A variety of sizes is available, most commonly two square feet, and ranging from seven to 12½ inches deep, with airflow capacities from 200 to 2,000 cubic feet per minute. The filters are useful individually or in a series, depending on airflow capacity. Both custom and standard filters are available for all makes. Also available are optional holding frames and side entrance housings, with flanges for simple attachment to ductwork.

N.R. Murphy customers also have access to an impressive selection of exhaust fans, rotary airlocks, abort dampers, and silencers. Like the high-efficiency filter media, these accessories create workplaces with better air quality.

To learn more, contact N.R. Murphy.

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