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With the application of different metal materials in all aspects of auto parts, the valve is no longer a single rubber material before, and metal materials have been widely used in the valve. In the current market, there are three types of rubber, steel, and aluminum alloys. Material tire valves are the most common.
The valves of the three materials also have obvious differences in their own weight, and their weight will have a certain impact on the unsprung mass and dynamic balance of the vehicle (the smaller the unsprung mass, the better the vehicle's dynamic response and handling performance).
The material of the rubber valve is copper + rubber. The valve core and inner tube are copper, and the outer structure is rubber. We all know that tires are generally inspected frequently after 4 years of use or 80,000 kilometers of driving. This is because the rubber will continue to oxidize, age, and lose its toughness and elasticity during use. So the same goes for the rubber valves.
The valve works when the wheel rotates and will deform under the influence of centrifugal force. Most tire valves are made of rubber. When the rubber changes color, it means that it has aged and cannot guarantee good air tightness. Therefore, the industry-standard operation of automobile maintenance is Every time a tire is changed, the valve must be replaced at the same time. Compared with the rubber valve, the metal valve can prolong the service time to a great extent. Generally speaking, the metal is pure copper nickel plated and aluminum alloy. In addition, high-end titanium alloy valves are also available on the market.
