High-Performance Sensing Elements

From ruggedized pressure switches to metal bellows assemblies, Sigma-Netics designs and manufactures sensing elements for the world's most demanding industrial, military and aerospace applications.

Rugged Pressure Switches

Contaminants, temperature extremes and heavy vibration won't stop our ruggedized pressure switches. Our compact pressure switches perform day in and day out in the harshest operating environments.

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Precision Metal Bellows

Not all metal bellows are created equal. We specialize in the production of high-quality hydroformed and electroformed metal bellows that meet the most exacting quality standards and performance requirements.

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Metal Bellows Assemblies

Our in-house soldering, brazing and welding operations allow us to deliver a variety of bellows assemblies and sensing devives—including aneroids, temperature sensors and temperature regulators.

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Technical Resources

Select Products

Upload a drawing and application info, and we'll get you a quick quote on pressure switches, metal bellows and bellows assemblies.

→ Request a quote for pressure switches

→ Request a quote for metal bellows

Data Sheets


Sigma-Netics Data Sheets

Download pressure switch and metal bellows data sheets and product catalogs.


→ Download Data Sheets

Technology News

Read about news, technical advances and design best practices related to pressure switches, metal bellows and bellows assemblies.

→ Visit blog.

White Papers

Designing With Metal Bellows

Metal Bellows White Paper

Our latest white paper takes a close look at the different aspects of metal bellows–including design considerations, manufacturing methods and materials–to help you pick the right one for your application.

→ Download the white paper.


Sigma-Netics provides sensing technologies for a diverse collection of OEM applications, including:

  • Military and Aerospace
  • Industrial
  • Heavy Equipment
  • Oil and Gas
  • Instrumentation
  • Medical

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