Fire extinguishing fog nozzles; fire extinguishing systems comprised of fire extinguisher nozzles and heads in fixed or portable, suspended or pop-up and rotary configurations, stainless steel piping, ball valves, gate valves, solenoid valves, regulating valves, drainage valves, anti-clogging strainers, pump connectors, pressure gauges, liquid storage and gravity tanks, compressed gas tanks, electronic control panels, electronic fire detectors, heat detectors, flame detectors, ionic detectors and smoke detectors and parts therefore, all being capable of being operated either automatically or manually
Electrical and Scientific Apparatus