The two crossword solutions for the term TYPE OF VALVE are POPPET and intake. A POPPET valve is a type of valve used to control the flow of air or other gases in an engine. It is typically made of metal and consists of a cylindrical body with a flat end that is connected to a stem. The stem is connected to a spring-loaded plunger, which is used to open and close the valve. An intake valve is a type of valve used to regulate the flow of air or other gases into an engine. It is typically made of metal and consists of a cylindrical body with a flat end that is connected to a stem. The stem is connected to a spring-loaded plunger, which is used to open and close the valve.