... exchanger components. Definition:H fin tube, also know as Doulbe H fin tube, H fin economizer, H fin tube economizer, H type finned tube, ... form fins positive shap much like letter "H", so called H-fin tube. H-economizer widely used in utility boilers, industrial ... strength, and has good thermal conductivity. H-economizer can also manufacture dual tube "double H" type fin tubes, its rigid structure, ...