27/01/2006 FROM: Donaldson Filtration Deutschland GmbH Bьssingstr. 1 42781 Haan Germany . CONTACTS: Susanne Fulko Marketing Communication susanne.fulko@emea.donaldson.com . * IMMEDIATE RELEASE INNOVATION IN THE AIR POLUTION CONTROL. NEW MODULAR FILTER HOUSING FOR IMPROVED DUST COLLECTION. “Modular Baghouse” has all chances to become the new term for innovative technology in air pollution control. Donaldson, a provider of dust collector systems, replaces the usual sheet metal housings with a thoughtfully designed housing to deliver efficient flow and preseparation. Target of this development was to design a flow optimised housing for air volumes of up to 120.000 mі/h, offering both investment and operation cost advantages for a wide range of industrial applications. The first installed units already show that this target has been achieved. The flow technical prerequisites in the inlet, already leads to an optimum preseparation. Heavier dust particles can no longer be carried along, but drop into the collector/hopper before they reach the filter. Further flow conditions enable the dust-laden air to be evenly distributed over the filters. This most efficient mechanical pre-separation increases the filter life and the dust collector installation can take up larger dust quantities. Two to three times the filter life The modular baghouse units can be used with any conventional filter media. The best advantages are achieved by using the new Dura-Life™ filter media generation. Bag or pocket filters equipped with Dura-Life, reach a two to three times longer service life compared to conventional media and have a clearly higher air-to-media ratio. The pleasant side-effect is that customers can select a smaller housing size if they use Dura-Life™. Important goals: Energy savings and simplified maintenance Energy costs caused by dust collectors are usually the largest operating cost factor. By optimising the flow conditions with the help of a computer aided flow technology clear savings with the Modular Baghouse housing could already be achieved. Also the automatic pulse-cleaning of the filter elements is substantially more efficient. Due to a new valve technology every dedusting sequence is provided with 50% more air. A further important aspect of costing is the service. Also here the Modular Baghouse series offers crucial advantages. During an exchange and/or inspection of the bag filters the operator or the Donaldson service technician has optimal working conditions and benefits from substantially less work than with conventional units. The filters can be accessed from the clean-air side and from the platform they can easily be removed. The handle of the filter cages serves as an aide for quick removal.