... pall ring, Stainless steel pall ring, SS304 pall ring, SS304L pall ring, SS316 pall ring, SS316L pall ring, SS410 ... various separation, absorption and desorption equipment, normal atmospheric pressure reduced and vacuum distillation plant, decarburization, and desulfuration systems, ethyl ... steel, carbon steel, aluminum, bronze, 304L, 316L, and other alloy.Technical data of metal pall ring: Diameter ( ...