Diverter Dampers

Diverter Dampers are used to direct the flow of gas between the main process and bypass. These dampers can be either for isolation or control operation.

DTL can offer several Diverter Damper design:

  • Flap diverter
  • Multilouvre diverter
  • Butterfly diverter

We can provide a range of fully customised diverter dampers where the inlet and bypass can be configured individually, (number of blades, sealing arrangements, bearing type…)

Our Diverter Dampers can be manufactured in Carbon Steel or Stainless steel, but for special applications we can utilise any material to suit your requirements such as 800HT, 310S, Alloy 31, Alloy 59…

Diverter Damper

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Typical Diverter Applications

  • Exhaust Systems

Diverter Specifications

Technical Specifications


  • Round or rectangular diverter design
  • Fully welded body
  • Specially engineered compact design
  • On/off or modulating
  • Typical range from DN300 to DN3000 (other sizes available on request)
  • Pneumatically actuated (Hydraulic or Electric actuators also available on request)

Optional Extras

  • Double linkage design
  • Pneumatic cabinet
  • Maintenance free bearings
  • End connections: Flanged to fit ANSI, EN, JIS standards
  • Flexible metallic seals to increase sealing efficiency
  • Seal air for 100% sealing

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