Sprinkler head valve means
Sprinkler head with electrical sensor
Sprinkler head with heat sensitive cover release and valve relea
Sprinkler head with improved flow
Sprinkler head with improved flow
Sprinkler head with noncircular throat
Sprinkler head with plate for absorbing and indicating shocks th
Sprinkler head with stamped trigger-mounting elements
Sprinkler head with wall penetrating means
Sprinkler mounted to pivotable conduit
Sprinkler nozzle
Sprinkler or fire-extinguishing nozzle
Sprinkler or spray head
Sprinkler system
Sprinkler system
Sprinkler system
Sprinkler system and method of operating the same
Sprinkler system and sprinkler assembly therefor
Sprinkler system control valve and actuator device
Sprinkler system for existing buildings