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Fig. 4
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Structural model of the experimental platform. The pump unit consists of: 1. Motor bracket, 2. Gearbox, 3. Gearbox bracket, 4. Guide bearing, 5. Pump cover, 6. Impeller, 7. Motor, 8. Concrete foundation, 9. Coupling, 10. Pump shaft, 11. Lining of the pit, 12. Volute casing, and 13. Inlet flow passage.
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