Edge Welded Bellows Assemblies

Customizable metal bellows with a small package size

For high vacuum, aerospace, or more stringent industrial applications, our edge welded bellows assemblies provide high over pressure capabilities and the most stroke per package size of any bellows technology.


  • Application engineering support throughout the design and prototype process
  • 100% leak checked assemblies
  • Prototype and fixture manufacturing on site for quick turnaround on samples and proof of concepts
  • Cost competitive
  • Low cost to entry
  • Stocking Ppograms for Kanban releases
  • Application verification through In-house life testing and design verification testing


  • Flexible seals
  • Vacuum seals for microchip manufacturing equipment
  • Accumulators
  • Valve stems
  • Pressure and temperature sensing
  • Aneroids for fuel to air mixtures, oxygen systems, and instrumentation


  • AM350, 316L, Inconel, Hastelloy, consult factory for other options
  • 1/2 to 5 in. standard sized OD
  • 0.002 to 0.008 in. standard diaphragm thickness
  • Custom end configurations
  • 100% Helium Mass Spectrometer leak check at multiple stages of production