Damper
Damper assembly
Damper controller for a chemical recovery furnace
Damper controller for natural draft heater
Damper for high temperature or corrosive gases
Damper position adjusting device and combustion apparatus...
Damper regulator assembly
Decorative cap for gas appliance vents
Design of transverse-burner recuperative furnaces
Device and method for boiler superheat temperature control
Device and method for efficient mixing of two streams
Device for discharging an explosive gas
Device for injecting preheated air into a shaft furnace
Device for manoeuvring an air-control mechanism in a furnace
Device for operating air governing means at a refuse burning...
Device for preheating air used in combustion
Device in flue gas dampers
Diester crosslinked polyglucan hydrogels and reticulated...
Diffuser plate for boiler burner feed assembly
Directional control of hot gases from an incinerator or the...