Serdi 400

Serdi 400.


Used for machining precision valve seats with a fixed cutter; for single or multi angle seats. The valve seat in an internal combustion petrol or diesel engine is the surface against which an intake or an exhaust valve rests during the portion of the engine operating cycle when that valve is closed. The valve seat is a critical component of an engine in that if it is improperly positioned, oriented, or formed during manufacture, valve leakage will occur which will adversely affect the engine compression ratio and therefore the engine efficiency, performance (horsepower), exhaust emissions, and engine life.


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