Donaldson Sterile Air Filter Elements Lower Operating Costs

20% differential pressure reduction during dewetting after steaming results in lower operating costs

MINNEAPOLIS (Oct. 29, 2010) – Donaldson Company, Inc. (NYSE:DCI), a leading, worldwide manufacturer of compressed air purification equipment and process filters, offers the Donaldson P-SRF Sterile Air Filter Elements with PTFE support material for sterile filtration of compressed air, process air, technical gases and vent applications. The P-SRF sterile wrapped depth filter element has a retention rate of ≥99.99998% related to ≤0.2 micron to ensure the safe and sterile filtration of process gases.

P-SRF Sterile Air Depth Filter Element

The new P-SRF element with PTFE support material delivers a 20% reduction in differential pressure during dewetting after steaming compared to the current element with Nomex®* support material, which results in lower operating costs. The P-SRF provides low pressure drop, high dirt-holding capacity, great strength, and long service life to dramatically reduce your operating costs.

Donaldson P-SRF filter elements are available in 13 sizes and different connection options to meet virtually all purification requirements.  The high-quality stainless steel construction ensures excellent mechanical stability, thermal resistance up to 200° C / 392° F, and more than 100 sterilization cycles possible at specific conditions. All components meet FDA requirements for contact with food in accordance with the Code of Federal Regulation (CFR), title 21, are manufactured in accordance with DIN EN ISO 9001, integrity tested at the plant, and have validated retention of bacteria and viruses, LRV > 7/cm2 (Brevundimonas diminuta), and LRV > 9/cm2 (MS2 – Coliphagae).

Donaldson Compressed Air & Process Filtration provides replacement filters with proprietary media to extend filter life, optimize performance and minimize downtime.  A wide variety of replacement filter elements and service items are stocked for shipment within 24 hours.  Donaldson also offers replacement filter elements for many brands of filtration housings. Donaldson provides industrial air, sterile air, culinary steam, tank venting, and liquid filtration products from pre-filtration to final, and from low to high capacity, so when you think purity, think Donaldson.

For more information about our products, contact us.


*Nomex® is a registered trademark of E.I. du Pont de Nemours and Company.