Steam Boiler Parts Economizer and Air Preheater 

Air preheater, or boiler preheater, is an important boiler part. It can be divided into two kinds, Tubular type air preheater and Vertical type air preheater. Air preheater pipe type, mainly using industrial furnaces or smoke waste heat boiler combustion air preheating furnace enter, such not only improves the thermal efficiency of the stove and reduce the environment pollution. Main Technical Parameter: Tube Material               Enamel Coating on Carbon Steel;Low Alloy Steel : Corten Steel, ND Steel (09CrCuSb) Heat Exchange Type        Vertical (Air inside tube, Gas outside tube) Horizontal (Gas inside tube, Air outside tube) Standard                  GB, ASTM,etc Tubes                    Enameled seam or seamless tubes Tube OD         …