FAW Truck Exhaust Valve
The function of the FAW EXHAUST VALVE is to inflow air into the engine and discharge the exhaust gas after combustion.
FAW EXHAUST VALVE DESCRIPTION：
The function of the FAW EXHAUST VALVE is to inflow air into the engine and discharge the exhaust gas after combustion. From the engine structure, it is divided into intake valve and exhaust valve (exhaust valve). The intake valve acts to suck air into the engine and mix with the fuel. The exhaust valve is used to exhaust and dissipate the burned exhaust gas.
The FAW EXHAUST VALVE is made up of the head and rod of the valve. The valve head temperature is very high (intake valve 570~670K, exhaust door 1050~1200K), and also bear the pressure of gas, valve spring force and transmission component inertia force, its lubrication, cooling conditions are poor, the valve must have a certain strength, stiffness, heat resistance and wear resistance. Alloy steel (chrome steel and nickel chromium steel) are commonly used for intake valves, and heat-resistant alloys are used for exhaust valves. Sometimes in order to save heat resistant alloy, the exhaust head is made of heat resistant alloy, while the rod is made of chrome steel and then welded together.
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FAW EXHAUST VALVE PICTURE：