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Historical Damper Companies

Over the years many damper firms have been sold, changed names or gone out of business.  The following list provides some information about known firms and where possible a link to the current owners.

Please Contact Us to supply updates, additions and comments.

 

ACDC, Inc. at one time had four divisions, Air Clean Damper Company, Quality Air Design, Industrial Damper Company and Quality Damper Services.  Operating out of Cincinnati, OH this firm was founded by Don Gladish.  See the individual listing for each division for more information.  This company was sold to Mestek, Inc. in 1999 and operated as Air Clean Damper in join operation with American Warming & Ventilating (AWV). It was sold in 2004 to TLT-Babock and relocated. Has since ceased to operate.
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The primary division of ACDC, Inc. this group provided dampers for all applications including utility and fossil fuel plants with a reputation for building a heavy duty damper.
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Purchased by Flextech Industries in Canada.  Formally, Ruskin Power and Process.
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Acquired in May 2002 by Process Equipment and now operated as Process Barron.
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Damper Technology Ltd provides spares and service backup for this company.
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Damper Technology Ltd provides spares and service backup for this company.

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Damper Engineering GmbH of Germany has ceased to operate.
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Damper Technology Ltd provides spares and service backup for this company.

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Effox Inc. and Flextor Inc. were merged on August 1, 2008 and are now the Effox-Flextor division of CECO Environmental.
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Effox Inc. and Flextor Inc. were merged on August 1, 2008 and are now the Effox-Flextor division of CECO Environmental.
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Acquired in 2004 by Process Equipment and now operated as Process Barron.
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Started by the Forney Boiler Company this group was made into the Metal Components group and then sold to Pathway Bellows to operate as Pathway Precision Dampers.  Pathway sold the group to Ruskin who operated it as Ruskin Power & Process.  Later it was spun off as American Power & Process and purchased by Flextech Industries in Canada.
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Acquired by Aalborg Industries.
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Now operated by Mc-Dermott.  

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A division of ACDC, Inc. this group was developed to provide a "standard" line of industrial grade dampers pre-engineered for selling by representative.  This division was closed in the mid 80's after declining sales.
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Purchased in 2006 and now operated as Camfil Farr.
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Damper Technology Ltd provides spares and service backup for this company.
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Started by the Forney Boiler Company this group was made into the Metal Components group and then sold to Pathway Bellows to operate as Pathway Precision Dampers.  Pathway sold the group to Ruskin who operated it as Ruskin Power & Process.  Later it was spun off as American Power & Process and purchased by Flextech Industries in Canada.
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Mosser Industries and Mosser Damper Company parts are available form Yuba Heat Transfer, ECOLAIRE (Formerly ALSTOM Heat Exchange/ Energy Systems).

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Pathway Bellows purchased the Metal Components/Forney Damper Copmy from the Forney Boiler Company.  Operated as Pathway Precision Dampers.  Pathway sold the group to Ruskin who operated it as Ruskin Power & Process.  Later it was spun off as American Power & Process and purchased by Flextech Industries in Canada.
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Now owned by Senior Flexioncs Pathway, Inc. and marketed as Pathway Dampers.  This is not the same damper group that Pathway Bellows operated known as Pathway Precision Dampers.  That group was sold to Ruskin and is now owned by Flextech.  However some of the same employees are involved.
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A division of ACDC, Inc. this group was developed to provide dampers for nuclear power plants.  It was sold to Ruskin in the late 1980's.
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A division of ACDC, Inc. this group was developed to provide retrofit, repair and service for dampers manufactured by ACDC, Inc. and others.  This division was closed in the mid 80's after declining sales.
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Pathway Bellows sold Pathway Precision Dampers group to Ruskin who operated it as Ruskin Power & Process.  Later it was spun off as American Power & Process and purchased by Flextech Industries in Canada.
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NEM B.V. (www.nem.nl), one of the world’s largest producers of heat recovery steam generators (HRSG) behind gas turbines, acquired the business activities, including the rights, patents and design information gained over 50 years experience, by the former Stober+Morlock company in Recklinghausen, Germany in 1997.   Currently operated as NEM Power-Systems.
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TLT-Babcock Akron, OH and NEM Power Systems formed a consortium to supply dampers to the U.S. power industry.  Later TLT-Babcock bought the Air Clean Damper division from Mestek.  All have ceased to operate

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