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04/23/2007     

FROM:
Donaldson Company, Inc.
P.O. Box 1299
Minneapolis, Minnesota 55440
(NYSE: DCI)
 
Donaldson Employee Julie Otremba
Donaldson Employee Phone (866) 256-7708
E-mail compressedair@mail.donaldson.com
 

FOR IMMEDIATE RELEASE

DONALDSON OFFERS SUPERPLUS INDUSTRIAL FILTERS

PATENT TECHNOLOGY PROVIDE HIGHEST EFFICIENCY AND LOW ENERGY COST

MINNEAPOLIS, MN – April 23, 2007 – Donaldson Company (NYSE:DCI), a leading, worldwide manufacturer of filtration systems and parts, recommends Superplus filter assemblies equipped to provide the most efficient and cost-effective purification of compressed air and gases in industrial applications. This advanced technology eliminates ineffective and inefficient purification, which can lead to system and/or equipment damage and higher operating costs.

This top-of-the-line filter assembly has a three-part aluminum housing design to allow for easy disassembly and element change out. Low pressure drop is achieved through optimal flow-path design. Its tapered bowl and non-turbulent lower filter zone assure that no condensate gets re-entrained in the airstream. Other important features of the Donaldson AG Superplus industrial filter housing include:

  • Ultradepth® FF, MF & SMF Coalescing/Particular Filter Elements – Our unique design creates a two-stage filtration process within one element. Our patented Ultrair® binder-free borosilicate glass fiber media achieves retention rates of 0.01 µm particulates in the Donaldson SMF element at 99.99999%.

  • Ultrac® AK Activated Carbon Absorption Filter Element – Utilizes a two-stage filtration process for absolute retention of oil vapor and other hydrocarbons.

Both filter elements are built with inner and outer stainless steel support cores and aluminum end caps for maximum strength and longevity. A double o-ring seal assures absolutely no blow-by of unfiltered air.

  • Economizer differential pressure gauge – Programmable to calculate the optimum point at which to change the filter element and minimize operating costs. An indicator light alerts when change out is required. Cost reductions of up to 70% have been achieved using the Economizer.
  • Ultramat UFM-T Zero Air-Loss Condensate Drain Valve – Using electronic liquid level sensors, the Ultramat drain valve requires no moving parts as it minimizes the emulsification of the condensate to aid in the oil/water separation downstream.
  • SH Steel Housings – Two-piece SH steel housings with flanged connections are available in a nominal flow range of 650 to 22,000 scfm.

With over 30 years of compressed air purification experience behind Donaldson, the company has developed an extensive line of air filtration products with a range of efficiencies and optional features to cost-effectively meet any application need. Prefilters and afterfilters can be custom-configured to suit the requirements of any specific application.

For more information about our products use our contact form, call us at 866-256-7708 or email us at compressedair@mail.donaldson.com.

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.



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