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.
fleet 1. n. 1. A number of warships operating together under one command. 2. A number of vessels having a shared origin, purpose, or area of operation: the Japanese merchant fleet; the North Pacific fishing fleet. 3. A group of vehicles, such as taxicabs or airliners, owned or operated as a unit.