Metal Bellows and Engineered Products

Our metal bellows products range in size and complexity from micro bellows used in sensors to larger bellows measuring 16 inches in diameter. All Senior Flexonics’ bellows are of the highest quality and durability.

Our Engineering expertise enables us to provide customized solutions to our clients. We have developed bellows systems which can withstand the extreme low temperature of liquid helium at -452 F as well as extreme heat environments of over 2000 F.

Senior_Flexonics_Manufactures_MicroBellows_Fuel_InjectorsSenior Flexonics Metal Bellows.jpg

Senior Flexonics Metal Fuel Nozzle BellowsSenior Flexonics Complex Metal Bellows

Valve_Stem_Bellow_Assemblies_by_Senior_FlexonicsComplex_Bellows_Assemblies_by_Senior Flexonics Medical_Heat_Exchangers_by_Senior_Flexonics Senior Flexonics Complex Metal Bellows

Senior Flexonics Exhaust Flex Metal BellowsSenior Flexonics Metal BellowsSenior Flexonics Metal BellowsSenior Flexonics Gas Lift Metal Bellows

Other bellows applications include bellows assemblies, valve stem bellows, mechanical seals, and high vacuum equipment.

Materials used include brass, bronze, beryllium copper, 300 series stainless steel, titanium, monel®, inconel®, hastelloy®, and other nickel alloys.

Senior Flexonics also manufactures complex assemblies that require forming, welding, brazing, soldering, bending, machining and assembly of metallic components for automotive and industrial applications. We service markets ranging from Automotive, Heavy-Duty Diesel, Medical/Healthcare, Military, Oil/Gas Exploration, Instrumentation/Controls, Land-Based Turbine and Microturbine, Fuel Cell, Solar and Vacuum/Semiconductor.


  • EGR Cooler Bellows
  • Exhaust Connectors
  • Fuel Nozzle Bellows
  • Locomotive Bellows
  • Micro Bellows to Large Metal Bellows

Publications/case studies featuring our metal bellows:

Micro Bellow Solutions – Engine Technology International June 2012
Hot Property – IVT International – Off Highway 2013