Services

AIR & HOT FLUE GAS/ NOISE CONTROL EQUIPMENT

*Dampers - Butterfly / Diverter / Guillotine 

/ Louver / Poppet                                                                     Fox Equipment 

*Actuators - Electric / Pneumatic Valve & Damper          Multiple Sources

*Expansion Joints - Fabric & Rubber Designs                    AFS
*Expansion Joints - Gas Turbine & HRSG Applications   EagleBurgmann

*Expansion Joints - Metal Bellows Designs/ Service       Badger Industries 

*Silencers & Stacks -  Gas Turbine & Other Exhaust        Fox Equipment


AIR POLLUTION CONTROL / MATERIAL HANDLING EQUIPMENT & SERVICES

*Electrostatic Precip & Baghouse-Repair / Rebuild / Maintenence     SEI

*Heating Specialties - Flexible Surface Heating Elements & Controls                                                                                                                                                                                                           BriskHeat  

*Pneumatic Conveying & Dust Collection Systems/ Parts           Camcorp 


MECHANICAL SERVICES & EQUIPMENT  

*Insulation & Lagging / Asbestos Abatement Services General Insulation

*Custom Metal Fabrication & Supply, Repair Services   Based on Scope

*Mechanical & Erection Services                            SEI/ Core 10 Field Services 


**System Engineering & Erection Services

**Actuator & Valve Repair/Automation/Service                                  

 **Ductwork & Duct Support Design, Flow Modeling, Fabrication & Erection Services


**Please note that Duff & Associates may not have exclusive rights  from all companies listed in all areas