Metal Pall Ring 1.Material: ss304L,316L,carbon steel ,aluminum, bronze 2.Size:Dia16,25,38,50mm Metal Pall Ring Packing is well known packing after rasing ring,an industry standard design media which used in many applications,widely used in all kinds of separation, absorb plants, constant decompress plants, compounding ammonia plant, decarbonization , desulfuration ,separation of ethylbenzene, ...