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. 1. the largest organized unit of naval ships grouped for tactical or other purposes. 2. the largest organization of warships under the command of a single officer. 3. all the naval ships of a nation; navy. 4. a large group of ships, airplanes, trucks, etc., under the same management.