Technical requirements for the submersible axial flow pump
4.1 submersible axial flow pump for pumping water pumping station in the city contains a small amount of floating in the rain, and can work normally.
The inlet chamber of the 4.2 submersible axial flow pump is equipped with a conical inlet with a swirl proof facility that ensures an ideal inlet flow in the suction port.
4.3 the submersible axial flow pump can work normally within a specified range and has a stable head flow characteristic. When the pump runs at any point on its characteristic curve, the motor power is not overloaded.
4.4 all the pressure parts of the submersible axial flow pump are all subjected to air pressure test. The test pressure is 1.5 times of the design pressure, but it is no less than 0.4Mpa, which lasted for 5min without leakage.
4.5 after sealed assembly of the submersible axial flow pump, the 0.4MPa pressure test was carried out, and the phenomenon of no leakage was observed in 5min.
4.6 submersible axial flow pump spray paint, its surface is bright, no stain, bruise, crack and so on. The surface of the components is painted with epoxy resin anticorrosive paint after rust removal and oil removal.
4.7, the impeller of the submersible axial flow pump is semi adjustable. The impeller blade is perfectly matched with the spherical chamber, and the clearance is even. The impeller is in static balance test when it is assembled. Its unbalanced volume is within its permitted range, its balancing accuracy is G6.3.
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