Air heaters (calorifiers)

These units are designed for heating air in heating systems, ventilation, thermal air curtains, as well as in dryers. The heat carrier of multi-pass heaters is water. The heat transfer agent of single-pass heaters is steam. The heaters are installed vertically in relation to the inlet and outlet pipes. The heating surface of plate heaters consists of a bundle of steel pipes with a diameter of 20, 25 mm and steel plates tightly mounted on tubes.