The core component of the valve system, the intake valve (610800050049): responsible for introducing compressed air into the combustion chamber, the material is heat-resistant alloy (such as 21-4N austenitic steel), the temperature resistance is ≤ 800 ℃, and the diameter of the valve stem matches the engine cylinder head. Exhaust valve (610800050050): discharges combustion exhaust gas, adopts bimetal structure (head cobalt-based alloy + valve stem chrome-nickel steel), temperature resistance is ≤ 950 ℃, compatible with Weichai WP7/WP8 engine exhaust port interface
