stand-up exhaust valve in the process of work, we need to understand a lot of problems, such a stand-up exhaust valve can be better used, and how stand-up exhaust valve work?

1, the water pump start-up process, the body is not filled with water, the float valve body was due to the weight of surface. Stomata are in the open state. With the increase of water pump start working head, pipe water filling and air valve can be automatically in addition to the air exhaust pipe. When the body begins to filling water, float to float.

2, fully exclude air in pipe and valve body, the body is full of water; If pressure is higher than atmospheric pressure in the tube, floating ball pressure in the tube blocking the vent, the water in the tube will not discharge valve.

3, water pump in the process of operation, such as isolate air dissolve in the water, savings within the exhaust Industrial Valves body, the floating ball lose buoyancy and automatically whereabouts. If gas is less, the small pores of exhaust floating ball falling; If gas is more, the large pores of floating ball falling to exhaust. Floating ball falling drops to water in the tube coping lift force and floating ball gravity balance. After the exhaust, the floating ball back to shut down the location of the hole.

4, accident after stopping the pump, pressure reduce the formation of negative pressure pipe, though the body is full of water, but as a result of internal pressure is below atmospheric pressure, in the atmospheric pressure and pipe under the action of pressure difference, floating ball, to fill gas. Fill gas process, the first big hole of the floating ball, when pressure is lower, then float down hole, thus each float down time, buffer the pressure fluctuation in the pipeline.

5, when the water pump working condition of second stage of braking energy, in the pipe pressure increases, the water began to flow back, in a falling state of stomatal opening floating ball, exhaust, filled with water until the air valve, floating ball, and close the valve hole, closing process, due to the different size of vent pressure, large porosity of floating ball jacking off first, and then close the small pores, delay the whole process closed, ease water column close again when the pressure rises.

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