Aluminium/steel machined VBU’s. Allows air evacuation from the vacuum bag. Can be used in oven and autoclave. 1⁄4 BSP thread compatible with brass or steel non-return plug or socket. Silicone washer can be replaced if needed. Two piece VBUs are self-perforating, removing the need to cut a hole in the bagging film. Long service life.


  • Global Business Unit
    Composite Materials


Segments Applications
Chemical Industry Glass Industry
Segments Applications
Lightweighting Structural & Semi-Structural Parts
Segments Applications
Airframe Primary structural materials

Chemical categories

Chemical category Chemical family Chemical product
Process Materials Hoses, Ports, Connectors Various

Region of commercial availability

  • Asia / Pacific
  • Europe / Middle East / Africa
  • North America
  • Latin America

Download documentation for Vacuum breach units