Bachmann Industries India Limited

A total commitment to achieving customer satisfaction by understanding his requirements and supplying equipments and services of world class quality.

Butterfly Dampers

Butterfly Dampers are round louver dampers that facilitate both isolation and modulation. They find wide application in industrial ductings used for gas cleaning and process equipment.



  • They support a variety of Seals and options of Drives – Manual, Pneumatic, Hydraulic, and Electro mechanical for quick Actuation.
  • Optional quick-shut/open feature and self-closing with counter-weight arrangementscan0021
  • Sustainable in the full temperature range
  • Available in sizes ranging from 6 ft. to 20 ft. in diameter
  • Allow easy maintenance of the externally mounted drive bearing & actuator system.
  • Unique shaft-sealing arrangement ensures zero leakage by a non-asbestos gland packing arrangement
  • They are easy in installation and seat tightly




STACK CAP DAMPERstack damperStack Cap Damper are typically employed to encapsulate adequate heat to ensure efficient start & working of the boiler. BACHMANN employs a unique coupling and counter-weight mechanism to make the design efficient and 100% independent of external drives, thus eliminating the possibility of dangerous pressure build-up in the system. They are self-opening at set pressure, and self-closing on reduction of pressure below specified, with quick open/shut-off feature.


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