A fire sprinkler or sprinkler head is the component of a fire sprinkler system that discharges water when the effects of a fire have been detected, Nearly all fire sprinklers are composed of the same components: a sealing assembly or ‘plug’ that prevents water from escaping, a heat-sensitive element that allows water to flow at a given temperature, a deflector that distributes water e... https://www.sritrivenicrafts.com/fire-hydrant-system/