Double-suction centrifugal smoke exhausters DN-24x2-0.62 and DN-22x2-0.62 are designed to exhaust flue gases from solid fuel boilers with a steam capacity of 320 ... 480 t / h, equipped with effectively operating "dry" ash collectors, as well as for extraction of flue gases from furnaces of gas-oil boilers of the same capacity.
The suitability of the DN smoke exhausters in terms of the absence of deposits on the impeller blades during "wet" ash collection should be established during the operation of a pilot batch of machines.
Smoke exhausters DN are designed for continuous operation indoors and outdoors in a temperate climate (climatic version U, location category 1,2,3,4, GOST 15150-69). The smoke exhausters are launched at a temperature in the snail not lower than -30 ° С. The maximum permissible temperature at the inlet to the smoke exhausters should not exceed 250 ° C.