FIELD: engines and pumps.
SUBSTANCE: invention relates to pumps for movement of very hot or very cold media. Centrifugal pump comprises housing (2) having inlet (3) and outlet (4) for fluid medium, impeller (5) located in housing (2) with possibility of rotation around axial direction (A), for movement of fluid medium from inlet (3) to outlet (4), shaft (6) passing in axial direction (A), for driving wheel (5) into movement, as well as fixed guiding device (7) for directing fluid medium from wheel (5) to outlet (4). Apparatus (7) is connected to housing (2). Elastic compensating element (10) is installed between housing (2) and device (7), which is located around shaft (6). Shaft (6) can hold device (7) in the centered position relative to wheel (5) at radial movement relative to body (2).
EFFECT: invention is aimed at creation of pump for pumping very hot or very cold media effectively preventing impairment of impeller centering caused by temperature effect.
15 cl, 6 dwg
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