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The Pall ring is a kind of new type and high efficient packing that is improved on the basis of the Rasching ring. Dohntec pall ring is a proven design that provides higher capacity and lower pressure drop than trays and other random packings. The opened cylinder walls and inward bent protrusions of the Pall Ring allow greater capacity and lower pressure drop than standard cylindrical rings. This open ring design also maintains an even distribution and resists wall-channeling tendencies. The interior and exterior contacting surfaces of the Pall ring provide for an effective distribution of liquids and gasses and resist pl ing, fouling and nesting.

They are available in variable sizes such as (mm): 25,38,50,80