The reasons for the leakage of liquefied petroleum gas cylinders are mainly the following points:
• The sealing ring of the front end of the valve is aging, cracking, damage and so on;
• The connection between the valve and the cylinder valves is not tight, the outlet thread of the bottle valve is damaged, or the connection does not match;
• The diaphragm of the decompression valve is damaged;
• The gas pipeline is aging, cracking or damage;
• The control valve has leakage phenomenon.
