MINNEAPOLIS, MN – October 7, 2009 – Donaldson Company (NYSE:DCI), a leading, worldwide manufacturer of compressed air purification equipment and process filters, has published the Donaldson Filter Sterilization Guide which details the best practices for using steam and other methods for sterilizing filters. Steam offers an efficient and economical method of sterilization across various points-of-use throughout industrial manufacturing plants due to its ability to inactivate and kill micro-organisms by denaturizing their intracellular proteins through energy input.
The Filter Sterilization Guide begins by defining basic terminology as well as filter elements and housings available for filtering steam itself. Methods for regenerating steam elements and design aids are covered next. Recommended sterilization procedures, methods and system designs are detailed throughout the rest of the guide, including:
- Steam sterilization of filter cartridges,
- Steam in place for liquid and air filter applications,
- Autoclaving, and
- Alternative sterilization methods including vapor phase hydrogen peroxide.
Donaldson offers a variety of compressed air and processed filtration solutions that are manufactured specifically for steam filtration. The Donaldson Ultrex P-GS sintered stainless steel filter element has a 100 percent retention rate for gas and 98 percent retention rate for steam at 1, 5 and 25 micron. When a prefilter is required, the Donaldson Ultramesh P-SM stainless steel mesh filter element can be regenerated numerous times, allowing long life and reduced operating costs.
Along with the P-GS filter elements, Donaldson P-EG filter housings are widely used in steam filtration applications. Equipped with a variety of connections, P-EG housings are designed to yield low differential pressure at high flow rates. Additionally, the Donaldson PG-EG sanitary grade filter housings are 3-A certified to meet the rigid sanitary standards required of the food, beverage and dairy industries.
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About Donaldson Company, Inc.
Donaldson is a leading worldwide provider of air and liquid filtration systems and replacement parts that improve people’s lives, enhance our Customers’ equipment performance and protect our environment. We are a technology-driven company committed to satisfying our Customers’ needs for diesel engine equipment and industrial filtration solutions through innovative research and development, superior technology and global presence. Our 12,000
employees contribute to the company’s success by supporting our Customers at more than 100 sales, manufacturing, and distribution locations around the world.
Donaldson is a member of the S&P MidCap 400 Index, and Donaldson shares are traded on the NYSE under the symbol DCI. Additional company information is available at www.donaldson.com.