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  • Henan Yunyu Mechanical Equipment Co., Ltd.

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Nhà > Thông tin ngành > Why is the ammonia valve used in the form of a dark rod?/ Ammonia valve
Thông tin ngành

Why is the ammonia valve used in the form of a dark rod?/ Ammonia valve

2018-12-29

The high pressure chamber of the ammonia valve is connected to the cylinder, and the low pressure chamber is a gas outlet and leads to the use system. The indication of the high pressure gauge is the pressure of the stored gas in the cylinder. The outlet pressure of the low pressure gauge can be controlled by an adjustment screw. According to the requirements of use,

The high pressure chamber of the ammonia valve is connected to the cylinder, and the low pressure chamber is a gas outlet and leads to the use system. The indication of the high pressure gauge is the pressure of the stored gas in the cylinder. The outlet pressure of the low pressure gauge can be controlled by an adjustment screw. Ammonia gas pressure reducing valves are available in many sizes depending on the requirements of use. The highest import pressure is mostly, the minimum import pressure is not less than 2.5 times the export pressure. There are many export pressure specifications, generally, the highest outlet pressure is.



When using, first open the cylinder main switch, then turn the low pressure gauge pressure adjusting screw clockwise to compress the main spring and drive the film, spring block and ejector to open the valve. The imported high-pressure gas is depressurized by the high-pressure chamber and then enters the low-pressure chamber and leads to the working system through the outlet. Turn the adjusting screw to change the height at which the valve opens, thereby adjusting the throughput of the high pressure gas and achieving the desired pressure value. The use method and precautions for these ammonia shut-off valves are basically the same as those for ammonia. However, it should also be noted that dedicated ammonia valves are generally not used for other gases. In order to prevent misuse, some ammonia valves and cylinders use a special connection. For example, both hydrogen and propane use left-hand thread, also called reverse thread, and special care should be taken during installation.



When installing the ammonia gas pressure reducing valve, make sure that the connection specifications are consistent with the joints of the system. The ammonia shut-off valve is connected by a hemispherical surface, and the nut is tightened by the tightening nut. Therefore, the two hemispheres should be kept clean during use to ensure a good airtight effect. High pressure gas can be used to blow off dust before installation. If necessary, a material such as polytetrafluoroethylene may be used as the gasket. The ammonia shut-off valve is equipped with a safety valve. It is a device that protects the ammonia gas pressure reducing valve and makes it safe to use, and is also a signal device for the failure of the ammonia gas pressure reducing valve. If the outlet pressure rises by itself and exceeds a certain permissible value due to damage to the valve mat, valve or other reasons, the safety valve will automatically open the exhaust.



The high pressure chamber of the ammonia valve is connected to the cylinder, and the low pressure chamber is a gas outlet and leads to the use system. The indication of the high pressure gauge is the pressure of the stored gas in the cylinder. The outlet pressure of the low pressure gauge can be controlled by an adjustment screw. Ammonia gas pressure reducing valves are available in many sizes depending on the requirements of use. The highest import pressure is mostly, the minimum import pressure is not less than 2.5 times the export pressure. There are many export pressure specifications, generally, the highest outlet pressure is.



When using, first open the cylinder main switch, then turn the low pressure gauge pressure adjusting screw clockwise to compress the main spring and drive the film, spring block and ejector to open the valve. The imported high-pressure gas is depressurized by the high-pressure chamber and then enters the low-pressure chamber and leads to the working system through the outlet. Turn the adjusting screw to change the height at which the valve opens, thereby adjusting the throughput of the high pressure gas and achieving the desired pressure value. The use method and precautions for these ammonia shut-off valves are basically the same as those for ammonia. However, it should also be noted that dedicated ammonia valves are generally not used for other gases. In order to prevent misuse, some ammonia valves and cylinders use a special connection. For example, both hydrogen and propane use left-hand thread, also called reverse thread, and special care should be taken during installation.




When installing the ammonia gas pressure reducing valve, make sure that the connection specifications are consistent with the joints of the system. The ammonia shut-off valve is connected by a hemispherical surface, and the nut is tightened by the tightening nut. Therefore, the two hemispheres should be kept clean during use to ensure a good airtight effect. High pressure gas can be used to blow off dust before installation. If necessary, a material such as polytetrafluoroethylene may be used as the gasket. The ammonia shut-off valve is equipped with a safety valve. It is a device that protects the ammonia gas pressure reducing valve and makes it safe to use, and is also a signal device for the failure of the ammonia gas pressure reducing valve. If the outlet pressure rises by itself and exceeds a certain permissible value due to damage to the valve mat, valve or other reasons, the safety valve will automatically open the exhaust.






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