Marine valve structure

摘要: A valve apparatus for a marine vessel has housing with first, second, and third ports member within the housing. The is mounted to hull of first port communicating body water outside vessel. connected cooling system an engine in second closed by quick-release plug. movable open close communication outside. During normal operation, drawn through structure into discharged overboard. In emergency, plug can be removed moved 90° position which closed, allowing draw from discharge it also used service adapter flushing other maintenance.