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The origin of PTFE pall ring Filler Oct 15, 2018

Pall Ring is the basis of the four-fluorine West ring. The developed Pall Ring is a layer or two-layer rectangular hole on the side wall, and the small hole's parent material does not detach from the side wall but forms inward curved blades.

Although the same size of Pall ring and Raschig ring have the same specific surface area and porosity, but the pall ring on the side wall of the small hole can flow of gas, so that the inner wall of the ring fully utilized. Bizhirasi ring, Pall Ring not only has a large production capacity and low pressure drop, and high separation efficiency, ditch flow phenomenon is also greatly reduced.