The blower is one-stage, with a cantilevered impeller and axial gas supply. The blower housing is cast from cast iron and is a non-diffuser volute with a horizontal split.
A longitudinal section of a general-purpose blower of the E1700-11-2M type is shown in pic. 96, its installation in pic. 97. Gas-dynamic characteristics of the blower are shown in pic. 98.
The blower is driven by an electric motor of the STD-1250-23UHL4 type through the chassis, in which the plain bearings are located. The chassis of the chassis also serves as an oil tank. The electric motor has a rated power of 1250 kW, a speed of 3000 rpm, a voltage of 6000/10000 V.