which are also used for general service and ballast. these pumps supply engine room hydrants and the deck main through the screw down isolating valve which must be accessible from outside of the machinery space. the latter is required to prevent loss of water through damaged pipework in the engine room...
which are also used for general service and ballast. these pumps supply engine room hydrants and the deck main through the screw down isolating valve which must be accessible from outside of the machinery space. the latter is required to prevent loss of water through damaged pipework in the engine room...