The structure and types of tire valves are constantly changing with the development of automobiles. Now the valves are usually divided into two categories, one is "tube valve"; the other is "tubeless valve". All pneumatic tires inflate and deflate the tire's inner tube or tubeless tire through a tire valve. Keep tires at their proper pressure in different usage environments.

Current valves are available in rubber and metal:

According to the structure, it can be divided into two types: rubber metal valve and metal valve with rubber pad.