Explosion pressure relief vents for safety purposes; automatic flowable material explosion isolation valves for safety purposes; explosion suppressors and parts therefor for safety purposes; explosion suppression storage and discharge containers for explosion suppression compositions; electrical controllers for detecting explosions and operating explosion suppressors; computer software for calculating the flow pattern and dispersion characteristics of a water mist dispersion from explosion suppression equipment for a given volume to be protected from an explosion hazard; explosion detectors; active explosion suppression systems consisting primarily of explosion suppression controllers, power supply units, relay cards, annunciator modules, explosion detectors, explosion suppressant storage containers, and discharge nozzles
Electrical and Scientific ApparatusTesting, inspection, and technical analysis or evaluation on the prevention and suppression of explosions in industrial and commercial applications
Computer and Scientific