... 8", 1", 1.5", 2", 3", 4" Size customized Metal Pall Ring:Carbon Steel pall ring, CS pall ring, Carbon Steel ... absorb plants, constant decompress plants, compounding ammonia plant, decarburization, desulfuration,separation of ethylbenzene, separation of ... Desorption, Distillation, Stripping, Heat Recovery, ExtractionMaterial: Stainless steel, carbon steel, aluminum, bronze, 304L, 316L, and other alloy. ...