Reliability is Crucial

Bachmann Dampjoint designs and manufactures efficient, custom-designed, specialty gas-flow equipment for the most demanding industrial applications.
Need a quotation
For expansion Joints
Need a quotation
For Dampers
  • Speciality / Custom Gas Flow Equipment

    Speciality / Custom Gas Flow Equipment

    On numerous occasions, Bachmann Dampjoint has custom designed and manufactured specialty dampers that are outside of the conventional damper categories.

    Read more
  • Offset Disk Dampers

    Offset Disk Dampers

    Also known as 3-lever valves, the offset disc damper is used where the degree of tight shut-off required cannot be achieved with a butterfly damper, and where a guillotine damper is not practical.

    Read more
  • Dual Seal Dual Skin (DSDS) & Double Louver

    Dual Seal Dual Skin (DSDS) & Double Louver

    Our DSDS design is the best technical and commercial fit for isolation applications where the damper is normally open, and reliability is a concern. The innovative DSDS design is our cost effective dual-louver solution.

    Read more
  • Metallic Expansion Joints

    Metallic Expansion Joints

    Bachmann Dampjoint manufactures high performance expansion joints in such materials as stainless steel, nickel, inconel, incoloy, hastelloy, titanium, monel, and other sophisticated alloys.

    Read more
  • Louver and Butterfly Dampers

    Louver and Butterfly Dampers

    Combining efficient seating and rugged design, butterfly and louver dampers are capable of 99.9% shut-off in certain applications. Flexible stainless steel or nickel alloy seals assure long-life and easy maintenance.

    Read more
  • Non-Metallic Expansion Joints

    Non-Metallic Expansion Joints

    High-temperature non-metallic expansion joints are used in flue and duct systems, and depending upon the specific operating conditions, are built up of a number of insulating thermal fabric layers with an external fluoroplastic cover.

    Read more
  • Guillotine Solid – Flex & Convolution Seal

    Guillotine Solid – Flex & Convolution Seal

    When tight shut-off is paramount, a guillotine is often specified to do the task. However, there are many different designs and the selection of the proper type of guillotine damper depends on the application and can vary greatly.

    Read more



Bachmann Dampjoint designs and manufactures efficient, custom-designed, specialty gas-flow equipment for the most demanding industrial applications.

With over 30 years of experience and customers worldwide, we have a proven track record of offering damper and expansion joint solutions to the Power, Cement, Chemical, Petrochemical and Pulp & Paper industries.

Bachmann Dampjoint‘s innovative approach to product design, made possible by experienced engineers, technicians and draftsmen, responds to the strict requirements of heavy industry for process control, while keeping economy of operation, energy efficiency, equipment and operator safety in mind.

Bachmann Dampjoint manufactures products which are recognized everywhere for their high performance and quality. All equipment is fabricated to the highest design standards in a variety of materials, including sophisticated alloys.

A network of experienced and dedicated sales representatives has been a critical element in the company’s solid growth. Working in close cooperation with industry end users, architectural engineers and contractors, the Bachmann Dampjoint sales team can respond to every client’s individual requirements.