... /8", 1", 1.5", 2", 3", 4" Application: Use as tower packing Size customized Metal pall ring is an industry standard ... ring provide for an effective distribution of gas-liquid and resist plugging, fouling and nesting. Compared with the Raschig ring, Pall ring ... 30%.Material: Stainless steel, carbon steel, aluminum, bronze, 304L, 316L, and other alloy.Technical data of metal pall ring: Diameter (Inch ...