... It's widely used chemical industry, weaving,printing and dyeing,chemical fiber,rubber,leather,timber,baking paint, ... printing,pharmacy.The fin tubes of model SZL Series use Φ18×2.038,Φ21×2.044,Φ25 ... of thermal medium can be single flow and multi-flow. The pressure of thermal medium is 2 ... to be dusted, imputrescibility durable, handsome in appearance and long life service.Heat exchanger, fin tube, ...