Because the flow rate through a filter is so closely tied to the total open area of the filter’s pores, the best way to enhance the efficiency of the filter is to increase that open area by adding more pores and the only way to do that is by going 3-D says Friedrich Edelmeier, vice president of HAVER & BOECKER, the parent company of W.S. Tyler. By adding an additional layer of weaving, a 3-D filter cloth like the MINIMESH RPD HIFLO-S metal woven filter cloth doubles the number of pores available for the given surface area of the filter element. Doubling the pores doubles the flow capacity, just as in the case of drilling the second hole in the 2-D sheet metal noted above. The 3-D weaving principle is different from simply stacking two 2-D filter cloths on top of one another, which would just yield a double filter with no flow improvements. Instead, the MINIMESH RPD HIFLO-S uses a reverse plain Dutch weave that essentially offsets the top and bottom layers of pores, effectively creating twice as many pores within a single 3-D filter element. Click Here For Complete Article Text
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