A poppet valve is a type of valve used in internal combustion engines to control the flow of air and fuel into the combustion chamber and the flow of exhaust gases out of the chamber. Poppet valves are commonly found in automotive engines, as well as in other applications such as pumps, compressors, and refrigeration systems.
A poppet valve consists of a valve seat, a valve stem, and a valve head or disk. The valve head is typically made of metal and seals against the valve seat to control the flow of fluids. The valve is opened and closed by the movement of the valve stem, which is connected to a camshaft or other actuating mechanism.
Poppet valves are known for their durability and reliable performance, but they can be prone to problems such as wear and carbon buildup over time. Proper maintenance and regular inspection are important to ensure the proper function of poppet valves.
Overall, poppet valves are a common and effective type of valve used in a wide range of applications, providing precise control over the flow of fluids in engines and other systems.
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