ESFR sprinkler heads output rate - 100 gallons per minute. Droplet size - ESFR sprinkler heads release larger droplets of water with greater momentum than conventional heads. This combination of size and momentum allows the sprinkler droplet to penetrate a fire plume and reach the seat of a fire.
Definition of fleet for Students. 1  1 : a group of warships under one commander. 2  2 : a country's navy. 3  3 : a group of ships or vehicles that move together or are owned by one company a fishing fleet a fleet of taxis.
The military arm of the nation's maritime fleet, the U.S. Navy, helps to patrol the world's oceans in order to keep them safe. With more than 285 ships, including 11 super aircraft carriers, the U.S. Navy is in a constant state of deployment.