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2A-32B

2021-06-05 15:35:50
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2A-32B
Detailed introduction:

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It is an important accessory for the safe operation of boiler pressure vessels and pressure pipes during use. When the pressure of the medium in the boiler pressure vessel and pressure pipeline exceeds its maximum allowable working pressure, the safety valve will automatically open to release the excess medium to ensure the safety of the boiler pressure vessel and pressure pipeline.


When the pressure in the boiler pressure vessel is reduced to the normal working pressure, the safety valve can be automatically closed to prevent excessive discharge of the medium in the equipment from causing waste.


The safety valve is mainly divided into three types: spring type, lever type and dead weight. Spring-loaded safety valves are commonly used. Attention should be paid to the selection of spring-loaded safety valves: they are divided into semi-sealed and fully-sealed safety valves in terms of appearance and use.


Semi-sealed safety valves are mainly used for equipment that uses air, hot water and steam as media. Vacuum solenoid valves are conducive to the heat dissipation of safety valves; fully-sealed safety valves are used for equipment that uses flammable, explosive and toxic media. To prevent it from leaking to the outside world, so as to effectively protect the surrounding environment and life safety.


There are two types of structures: micro-opening and full-opening. There is a strict difference in the purpose of the two. The micro-lift safety valve is mainly used in equipment that uses hot water as the medium, such as a hot water boiler, which depends on the nature of the fluid and the protection of the equipment.


For example: A47H(Y) with a wrench spring micro-lift safety valve, A41H(Y) with a spring micro-lift safety valve, A43H(Y), etc.; full-lift safety valves are used in equipment that uses steam and other gases as the medium. For example, steam boilers, imported solenoid valve pipes, pressure vessels and pressure pipes that use gas as a medium. Please write down the model number: A48H(Y), A42H(Y), A44Y, etc.

2A-32B

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