... ring, CS pall ring, Carbon Steel pall ring, Stainless steel pall ring, SS304 pall ring, SS304L pall ring, SS316 pall ring, SS316L pall ring, SS410 pall ring.Metallic pall ring ... -liquid and resist plugging, fouling and nesting. Compared with the Raschig ring, Pall ring of gas fluxes increase more than 50% mass transfer ...