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Working principle of pressure reducing valve
Release time:
2022-04-28
The pressure reducing valve is an automatic valve that changes the throttle area to change the flow rate and the kinetic energy of the fluid, resulting in different pressure loss, so as to achieve the purpose of reducing pressure. It relies on the energy of the medium itself to control and adjust the regulation system, so as to balance the fluctuation of the pressure behind the valve with the spring force, and keep the pressure behind the valve constant within a certain error range.
Pressure reducing valve is used to control the opening of the opening and closing parts in the valve body to adjust the flow of the medium and reduce the pressure of the medium. At the same time, it can adjust the opening of the opening and closing parts with the help of the pressure behind the valve to keep the pressure behind the valve in a certain range, and inject cooling water into the valve body or behind the valve to reduce the temperature of the medium. This kind of valve is called pressure reducing and desuperheating valve. The automatic selection of pressure reducing valve is included. The characteristic of the valve is to keep the outlet pressure and temperature within a certain range when the inlet pressure is constantly changing.
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