The valve guide is made up of perlite cast iron.Įxhaust valve with spindle: The valve with spindle can be separated from the body in order to grind and recondition after a period of time or when required. The body generally is made up of cast iron, which has good manufacturing property along with strength. It also comprises of compartments for power piston, which is operated by hydraulic and air pressure. The exhaust valve can be divided in 3 important parts:Įxhaust valve body: The outer body of the exhaust valve comprises of bores for passage of cooling water, guide for spindle of valve, cage for valve seat and other attachments for valve operation. The Exhaust Valve of a 2 stroke marine engine is centrally installed over the top of cylinder head to allow all the exhaust generated inside the chamber during combustion process to be transferred to the exhaust trunk.
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