... 550°C. 1. For sulfuric acid pickling factory using of heating pipe, vessel, basket and chain2. Seawater Cooling heat exchanger, sea ... acid production using of heat exchanger, evaporimeter, washing, dip pipe etc.4. Air heat exchanger of petroleum refinery5. Food project ... Typical application as follow:1). Sulfuric acid factory usage for heating pipe, container, basket,chain and so on.2). Cooling heat ...