22/09/19
How to use gas self-closing valve in natural gas pipeline
Natural gas is a common source of gas in our lives today, and we rely on them to cook our food. There is a self-closing valve on natural gas, how to use this self-closing valve?
Natural gas is a common source of gas in our lives today, and we rely on them to cook our food. There is a self-closing valve on natural gas, how to use this self-closing valve?
How to use the gas self-closing valve of natural gas pipeline
The gas self-closing valve of natural gas pipeline prevents gas leakage when abnormal, and automatically closes the valve when the pipeline network stops or the pressure is too high. The gas self-closing valve is referred to as the automatic shut-off valve. It is installed on the pipeline of the low-pressure gas system. When the gas supply pressure of the pipeline is low or pressurized, it can be automatically closed without electricity or other external power supply, but it needs to be opened manually. After the gas meter is installed, the automatic shut-off valve located at the connection between the end of the gas pipe and the hose has a pressure shut-off function. Pipeline gas automatic shut-off valve is suitable for natural gas, liquefied petroleum gas, artificial pipeline gas.
Pay attention to emergency measures for gas leaks
1. When installing piping, be sure to use a leak alarm connection device. Install appropriate leak sensors, built-in or external solenoid valve main valve in all locations where ducted gas, gas ventilation, natural gas ventilation is used. For old pipes, old pipe valves are specific.
2. After replacing the liquefied petroleum gas, wash it with soapy water and check whether there is any leakage in the pressure relief valve and connector. The connecting tube is replaced every two years. When it becomes brittle or old, please replace it immediately, do not over-regulate the pressure of the pressure reducing valve; also, please do not throw garbage at the bottom of the can, and do not heat the liquefied gas tank.
3. The gas water heater should not be located in the bathroom, but should be located in the kitchen near the window, keep ventilation as much as possible, and open the window as much as possible when using it.
4. Do not use plastic or rubber hoses, but use special trachea to prevent mice from biting and leaking. Check gas lines and gaskets, watch carefully, smell (be careful not to poison), wipe off soapy water where you think there may be a small leak, look for air bubbles, and if so, replace the line immediately.
The self-closing valve has the functions of automatically closing undervoltage, overvoltage, undervoltage, and manual reset. When the gas stops, the gas supply is abnormal, the hose falls off, etc., it will automatically shut down to prevent leakage.
The main function is to automatically cut off and prevent gas loss. There is a gas self-closing valve in the piping of the low pressure gas system. The working principle of the gas self-closing valve adopts the characteristics of repulsion of the same sex and attraction of the opposite sex. In addition, the push ring is pushed forward or backward by the combination of the magnetic force and the repulsive force of the spring. There are two main functions. One is to automatically close the valve when the gas supply of the gas piping is overcharged or under pressure. , to prevent the external leakage of gas and save energy.
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