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.
A fleet is defined as a group of ships, vessels or vehicles that operate together or that are under the control of one person. 1  An example of fleet is a group of ships. 2  An example of fleet is all of the cars owned by a rental car agency.  a number of warships under one command, usually in a definite area of operation.