| 摘要 |
FIELD: mechanical engineering; pumps. SUBSTANCE: pumping unit consists of electric motor and centrifugal pump with housing provided with inlet and outlet flanges, end face cover in which cylindrical groove is made for mounting and alignment of electric motor. Pump working wheel is mounted on motor shaft. End face are made in form of fixed and movable rings. Movable ring is arranged on motor shaft, and fixed end face seal is installed in end face cover of pump. Inlet and outlet flanges are located on one axis square to motor mounting axis. EFFECT: provision of reliable operation of set with high efficiency, reduced time required for mounting and demounting of set, metal usage and cost of set. 1 dwg
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