Patent ID: 8622010

Claim:
Apparatus for closing of all or selected seacocks in a vessel, comprising: a number of seacocks adapted to be coupled to different pieces of apparatus for which sea water is utilized in the piece of apparatus or in which the piece of apparatus vents through a seacock, each of said seacocks having a rotatable valve stem for opening and closing the associated seacock; a pneumatic rotary actuator for each of said seacock valve stems for rotating the associated seacock valve stem from an open to a closed position or from a closed to an open position; a source of pneumatic pressure; a pneumatic control circuit coupled between said pneumatic pressure source and each of said actuators, said control panel having at least one all on/all off valve for actuating all of said rotary actuators in accordance with the position of said all on/all off valve, such that all said seacocks may be closed or opened in accordance with the position of said all on/all off valve.