The bubble tight butterfly damper is designed for gas flow isolation and control, ventilation, smoke extraction and dust removal etc. And it is mainly used in steel industry, cement industry, waste incineration plants, biohazard facilities, chemical process facilities, nuclear power plants, etc.
Bubble tight butterfly damper is tested per AMCA 500-D, ANSI, and ASTM N509/N510.Electrical components could be IP65 or explosion proof as options.Each damper is factory tested for leakage performance prior to shipping
|Material||carbon steel with painting, stainless steel 304 or 316|
|Actuator||Manual, electrical or pneumatic actuators available|
|leakage||Zero leakage at 10kpa pressure difference|
|Working temperature||-40℃ ~ 204℃|
|Size for damper||from 150mm up to 1500mm in diameter for round damper, and from 150x150mm up to 1500x1500mm for rectangular damper|