Annular Groove and Block Heat Exchangers in Impervious Graphite

For over 50 years, GAB Neumann has been designing and manufacturing annular groove and block heat exchangers out of impervious graphite for the most corrosive applications (hydrochloric acid, sulfuric acid, chlorinated organics and inorganics, hydrobromic acid, phosphoric acid, flue gas, and more) in the chemical, pharmaceutical and environmental industries. In addition, we offer a complete range of services for the maintenance, servicing and cleaning of these pieces of equipment.