The pressure reducing valve is used to adjust the inlet pressure to a required outlet pressure, and depend on the energy of the medium itself, so that the outlet pressure is automatically kept stable valve. From the point of view of fluid mechanics, the pressure reducing valve is a throttling element which can change the local resistance, that is, by changing the throttling area, the flow velocity and the kinetic energy of the fluid are changed, causing different pressure losses, so as to achieve the purpose of decompression. Then, by adjusting the control and regulation system, the fluctuation of the pressure behind the valve is balanced with the spring force, so that the pressure behind the valve keeps constant in a certain range of error.
HANGONG HTA series pressure reducing valve can precisely control the output pressure, and its gas diaphragm structure is applied very well in ultrapure fluid, and it is widely used in the semiconductor industry.

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