The pressure reducer uses the opening degree of the opening and closing member in the control valve body to regulate the flow of the medium, reduces the pressure of the medium, and at the same time adjusts the opening degree of the opening and closing part by means of the pressure of the valve, so that the pressure behind the valve is maintained within a certain range. Internally, in the event of constant changes in import pressure, the export pressure will be kept within the set range and the subsequent production equipment will be protected. The following small series introduces the function of the pressure reducer and the precautions for use of the pressure reducer.
The role of pressure reducer
1. Decompression The gas stored in the cylinder is decompressed by the pressure reducer to reach the required working pressure.
2. The high and low pressure gauges of the pressure-reducing regulator show the high pressure inside the bottle and the working pressure after decompression.
3. The pressure of the gas in the gas cylinder used for voltage regulation gradually decreases with the consumption of gas, while gas welding and gas cutting work require that the gas working pressure be relatively stable. The pressure reducer can ensure stable output of gas working pressure, so that the working pressure that is sent out of the low pressure chamber does not change with the pressure of the high pressure gas in the gas cylinder.
Pressure reducer use matters needing attention
1. When the oxygen bottle is deflated or the regulator is opened, the action must be slow. If the valve opening speed is too fast, the temperature of the working part of the pressure reducer will be greatly increased due to adiabatic compression. This may cause parts made of organic materials such as rubber packings and rubber film fiber linings to burn and burn. Pressure reducer completely burned. In addition, due to the static spark generated by rapid air discharge and the oil contained in the pressure reducer, it is also possible to cause ignition and burnout of the pressure reducer parts.
2. Precautions before and after the pressure reducer is installed: Before installing the pressure reducer, it is necessary to slightly beat the bottle valve to blow off dirt to prevent dust and moisture from entering the pressure reducer. When the cylinder valve is opened, the gas outlet of the bottle valve must not be aimed at the operator or others to prevent the high-pressure gas from bursting and hurting people. The exhaust port of the pressure reducer and the gas rubber pipe joint must be tightened with the wire or clamp that has been degassed;
3. Precautions when loading and unloading the pressure reducer: During the loading and unloading of the pressure reducer, care must be taken to prevent the threaded joints from slipping, so as to prevent the screw from slipping out. During the working process, the pressure value of the working pressure gauge must be observed. When stopping the work, first loosen the pressure regulator screw of the pressure reducer, then close the oxygen cylinder valve, and slowly exhaust the gas in the pressure reducer. In this way, the spring and the pressure reduction valve can be protected from damage. After the work is completed, the pressure reducer should be removed from the cylinder and stored properly.
4. The pressure reducer must be regularly repaired and the pressure gauge must be inspected periodically. This is done to ensure the reliability of the pressure regulator and the accuracy of the pressure gauge readings. In use, if there is a leak in the pressure reducer and the pressure gauge is not working properly, it should be repaired in time.
5, reducer freeze processing. If the regulator is frozen during use, thawed with hot water or steam, it must not be baked with flame or red iron. After the pressure reducer is heated, the residual moisture must be blown off.
6, pressure reducer must be kept clean. The pressure reducer must not be contaminated with grease or dirt. If grease is present, it must be wiped clean before use.
7. Pressure reducers and pressure gauges of various gases shall not be used interchangeably. For example, oxygen pressure reducers cannot be used in systems such as acetylene and petroleum gas.
Editor's summary: The role of the regulator and the precautions for use of the regulator have been introduced here. Hopefully everyone will be helpful. If you want to know more related information, you can pay attention to this website information.
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