xh-type flexible check valve prevents backflow intrusion and sediment generation

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  solenoid valve xh-type flexible check valve prevents backflow intrusion and sediment generation, different from the previous fixed tube outlet: duckbill valve jet velocity and outlet flow was a complex nonlinear relationship, tests showed that duck sewage discharged by the nozzle valve to achieve effective mixing of the desired flow rate, the flow rate much smaller than the circular pipe of the same mixed required, subjected to various tests of different valve port flow characteristics, while analysis of these experimental data, obtained a general two-dimensional internal dynamics formula, the results of these tests show that use of the duckbill valve, enabling the proliferation of more stable, jet velocity, energy, the laser velocimetry duckbill valve Koupen jet a mixed region of the vicinity of the study, the results show that the discharge opening of the duckbill than the standard circular orifice has a better diffusion.solenoids valves