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Safety valves, pressure reducing valves, pressure regulating valves, and pressure relief valves are all pressure valves, which are mainly functional differences.
The safety valve is used to prevent the damage of the boiler, pressure vessel and other equipment or pipelines due to overpressure. When the pressure is slightly higher than the normal working pressure, the safety valve is automatically opened to lower the pressure. When the pressure is slightly lower than the normal working pressure, the safety valve automatically closes, stopping the discharge of fluid and keeping the seal.
The pressure reducing valve is a device that reduces the medium with high pressure to a medium with low pressure. The valve is characterized by keeping the outlet listening pressure and temperature within a certain range under the condition that the inlet pressure is constantly changing.
The pressure relief valve is mainly used in the case of excessive pressure. When the pressure is greater than the set value, the valve inner piece is opened and released in time, and the pressure is reduced to return to the original position, and the safety valve is not much different. The pressure relief valve Multi-finger for liquid, safety valve refers to gas, steam.
A regulator valve is a device that maintains a medium in a region within a certain pressure range. The difference with the pressure reducing valve:
Pressure reducing valve: Regardless of the change of the inlet pressure, the outlet pressure is reduced to the rated value and the pressure is reduced.
Regulators: Maintain a constant upstream pressure regardless of downstream pressure and demand.
Safety valves and pressure reducing valves are two types of valves and are special valves. Among them, the safety valve is a safety venting device, which is a special valve, which only acts when the working pressure exceeds the allowable range, and protects the system. The pressure reducing valve belongs to the process valve, which can depressurize the high pressure stream to meet the pressure requirements of the rear system, and the working process is continuous.
For the size specifications, please provide detailed parameters, the factory is produced according to the national designated standards.
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