1. The upper and lower cover screws of the valve body are not tightened.
2. The rubber film in the valve body is damaged.
3. The air inlet sealing ring is aged and damaged.
Solution: Tighten the upper and lower cover screws and replace the rubber film. Therefore, it is required to pay special attention to check whether the rubber sealing ring is in good condition, aging and wear, especially when installing, it is necessary to check whether the sealing ring is lost.
Extended data gas cylinder (liquefied gas cylinder) is a kind of gas cylinder for storing gas. The cylinder wall thickness is about 2.5 mm, the internal pressure is 0.5 ~ 1.2 MPa, the safe service life is 15 years, and it needs to be checked regularly every four years.
In the late 1970s and early 1980s, families in some cities in China began to bid farewell to briquette stoves and use gas tanks. The gas tank was a novelty at that time, and many people were afraid to put it with the stove. Because the price is more expensive, it is usually put in the house, hit the wall and put outside the pipe, and cook outside.
In the middle and late 1980s, a large number of urban residents began to use gas tanks. Changing gas tanks became a unique "landscape" and later developed into a service industry. Pipeline gas gradually enters residents' homes. Compared with gas tanks, pipeline gas is safe, stable, clean and easy to use, which is the product of China's economic and social development.
Reference: Baidu Encyclopedia-Gas Tank