Radiator for hot air heating, air conditioning, cooling, dehumidification, drying and other works, suitable for steam or high temperature water, can heat the air, through the brine or low temperature water can cool the air. It is widely used in industrial and mining enterprises, light industry, papermaking, chemical industry, national defense, electric power, textile, ceramics, dairy products, hospitals, theaters and other air conditioning system, which is composed of a spiral finned tube, spiral finned tube series products of various types have different size specifications