Donaldson Condensate Drain Valve Eliminates Moisture without Pressure Loss


MINNEAPOLIS, MN - March 3, 2008 - Donaldson Company (NYSE:DCI), a leading, worldwide manufacturer of filtration systems and parts, manufactures one of the industry's best-performing condensate drain valves, the Ultramat (UFM-T) zero air-loss condensate drain valve.

With a compact design allowing for installation in restricted space applications, the Ultramat's functionality differs from other condensate drain valves that operate on a timer, allowing air to vent from systems with every cycle.

In contrast, the Ultramat is designed to open only when necessary and to close before any loss of compressed air can occur. The product's unique internal reservoir and flow channels reduce the possibility of blockage and minimize fouling of the drain valve seat, allowing more thorough processing at a downstream oil/water separator.

Other Ultramat features include:
o Rigid corrosion-resistant housing made from glass fiber; coated metal parts and high-quality Viton® gaskets and diaphragm material;
o Ergonomic design with rounded, clearly visible control panel and easily accessible push-to-test button;
o Electronically controlled and self-monitored for operation faults;
o Condensate level sensor, requiring no moving parts;
o Silent operation.

The Ultramat design can provide energy efficiency improvements of 20 percent to 50 percent, allowing your compressed air system to operate with greater efficiency and effectiveness. With more than 30 years of expertise in compressed air filtration and separation technologies, Donaldson manufactures a complete line of high-performance zero air-loss condensate drain valves.

Link to brochure: www.donaldson.com/en/compressor/support/datalibrary/005439.pdf

For more information, visit the company's website at www.donaldson.com or contact Donaldson Company at (800) 543-3634.

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.

FOR MORE INFORMATION:
Julie Otremba
Donaldson Company, Inc.
Tel. (952) 887-3830
E-mail: julie.otremba@donaldson.com

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