(1)Metallic pall ring widely used in absorption ,separate ,desorption equipment. (2)Material is SS304 (3)Diameter: 50mm Its structure improves the distribution of gas-liquid and its efficiency can be improved to above 50% and only has half of pressure drop compared with Rasching Ring. Features: Pall ring has some advantages such as lower pressure drop, big flux, high efficiency. HYPAK packing has ...