Sigma has industry-leading experience in manufacturing aerospace manifolds & ducts for the power & systems markets.

Manifolds & ducts range from being relatively simple items to requiring complex geometries and tight tolerances. Sigma offers a range of parts from anti-ice ducts and central oil tubes to afterburner rings and fuel manifolds for regional jet, single-aisle, wide-body and military platforms.


  • Afterburner Manifolds & Rings
  • Air Manifolds
  • Anti-ice Manifolds
  • Central Oil Tubes
  • Engine & Build Up Ducts
  • Engine Bleed Air
  • Fuel Manifolds
  • Reference Tubes
  • Aerospace Manifolds & Ducts
  • Aerospace Manifolds & Ducts
  • Aerospace Manifolds & Ducts

With our strong engineering skillset and extensive range of bending and forming capabilities, Sigma manufactures complete systems using a range of high performing materials, such as aluminium, stainless steel, titanium, Inconel and Nimonic, all supported by Nadcap approved special processes.


  • Cellular set up
  • Induction & Torch Brazing
  • Orbital & TIG Welding
  • Spot & Seam Welding
  • Mechanical Forming
  • Pressure Test (Air 250 psi, water/oil 18,000 psi)
  • Rapid Prototyping
Aerospace Manifolds & Ducts

Our integrated supply chain across the UK and China also enables us to manufacture entire manifold and ducting systems, from low to high production, for any powerplant requirement, providing a single source to customers.

Contact Sigma

For more information or to find out how Sigma can work with you to meet your aerospace manifolds and ducts requirements, please contact our sales team.