Mist Collector filters water, smoke, and oil.

Press Release Summary:

By changing filter cartridge to match mist type, WSO provides metalworkers with flexible solution designed to handle water-soluble coolants, straight oil, and oily smoke. Product utilizes Synteq(TM) XP filter media and oblong cartridge filters, which offer optimal surface area and minimal pressure drop. Along with 3-stage filtration, machine features horizontal cross-flow filter design to promote drainage and extend filter life.

Original Press Release:

Donaldson Torit® Introduces Versatile WSO Mist Collector that Filters Water, Smoke and Oil

New simplified solution with patent-pending Synteq(TM) XP filter media delivers cleaner air and gives metalworkers more flexibility to address today's industry challenges

MINNEAPOLIS (September 6, 2006) -Donaldson® Torit® introduces its new WSO mist collector that filters water-soluble coolants, straight oil and oily smoke. The versatile WSO is the only mist collector available that accommodates all three applications by simply changing the filter cartridge to match the mist type.

Being shown for the first time at IMTS, WSO provides metalworkers with a more flexible, cost-effective and simplified solution to address industry challenges such as faster machine tool speeds, higher coolant pressures, lean work cells and rising energy costs.

New Advanced Synteq(TM) Filter Media
WSO is engineered with Donaldson Torit's new patent-pending Synteq(TM) XP media that provides high efficiency, low operating pressure drop and 2-3x longer filter life compared to traditional media. Unlike conventional multi-layer media without fiber bonding, Synteq is an engineered blend of small and large fibers that uses resin-free bonding to stabilize the pore structure for optimum performance. This media blend results in superior performance on mist collection applications as the small fibers are scientifically proven to increase efficiency while the larger fibers provide structural support and clear drain channels.

The New Shape of Filter Cartridges
WSO is equipped with uniquely shaped oblong cartridge filters that provide up to 45% more filter surface area than pocket filters and round cartridges. The best fit in a rectangular collector cabinet, the oblong cartridge filters promote lower pressure drop and longer filter life-resulting in fewer filter changes, reduced filter replacement costs and decreased energy consumption.

3 Stages to Better Efficiency
The WSO system improves mist collection efficiency with 3-stage filtration consisting of a pre-filter, primary filter and final filter option. The first-stage prefilter removes large mist particles while the second-stage primary filter is selected to fit the mist application (water, smoke or oil). An optional third-stage HEPA or 95% DOP afterfilter can be added for smoke applications.

The WSO cross-flow filter design also provides better drainage and extends filter life compared to traditional mist collectors that have an upflow design that can impede drainage and shorten filter life. With the cross-flow design, the dirty air flows horizontally though the walls of the WSO filter, perpendicular to drainage of collected and coalesced mist.

WSO is available in machine mountable, stand mount for a single machine, or ducted cellular and central systems to meet the wide range of machining center and CNC configurations.

For more information, visit Donaldson.com/promo/watersmokeoil, e-mail dustmktg@mail.donaldson.com or call 888-869-9829.

About Donaldson Company, Inc.
Donaldson is a leading worldwide provider of filtration systems and replacement parts. Donaldson is a technology-driven company committed to satisfying customer needs for filtration solutions through innovative research and development. Donaldson serves customers in the diesel engine and industrial markets including in-plant air cleaning, compressed air and gas purification, power generation, disk drive filtration, off-road equipment and trucks. Our 11,000 employees contribute to the company's success at over 30 manufacturing 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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