PTFE all ring has not only greater production capacity and lower pressure drop ,but also the high separation efficiency, PTFE pall ring is developed on the basis of the PTFE raschig ring, PTFE pall ring is to open one or two layers of rectangular holes in the sidewall,and the base material of the holes is not out of the sidewall but forms inward bending of blade.The same size of Pall ring and ...
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