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Products > Bellows / Couplings

Hydroformed Bellows

MW Components’ hydroformed metal bellows are lightweight while maintaining a high stiffness to weight ratio. Per unit, costs are generally lower than other production methods. And many pressure, temperature, stroke, and sizes are available. These metal bellows are known for their extremely high cycle rate and have a theoretically "infinite' lifetime.

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Custom Hydroformed Bellows

Our facility in Corona, CA produces a full line of metal bellows and bellows assemblies. We manufacture bellows assemblies with a wide variety of standard flanges (CF or Conflat Bellows, KF, ISO, and NW) and custom flanges and fittings, in addition to valve assemblies, slip joint bellows, and expansion joints. Every bellows assembly we make is ultrasonically cleaned prior to welding, and helium leak tested after to ensure weld integrity and defect-free construction.

Our bellows assemblies are either built to meet customer specifications or designed by our team of in-house engineers to meet your unique requirements. Our years of manufacturing experience and CNC machining capabilities help us create vacuum fittings with the perfect combination of diameter, length, and wall thickness, and to tolerances within a few thousandths of an inch. Every bellows assembly we produce is ready for immediate installation, with no assembly required, saving you time and money in the production process. We also manufacture our bellows assemblies from the highest quality, domestically sourced or DFAR-compliant materials, including stainless steel and other specialty materials.

Request a quote to send us your specs or configure a part.

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Hydroformed Metal Bellows Manufacturing

MW Components combines exceptional engineering, state-of-the-art manufacturing, extremely close dimensional tolerances, and decades of experience to deliver top-quality metal bellows for any application.

Production Capabilities for Hydroformed Components:

  • Size ranges from 1/4" I.D. to 48" I.D.
  • Wall thickness ranges from 0.002" single-ply to 0.056" multi-ply
  • Precision CNC machining within a few thousand of an inch
  • Material options include stainless steel (300 series), Inconel®, Hastelloy®, titanium, copper, Monel™, brass, and phosphorus bronze
  • DFAR-compliant materials available

Standard Hydroformed Bellows Diaphragm Sizes

MW Components offers various standard diaphragm sizes including sizes for thin wall bellows, medium wall bellows, and thick wall bellows. View the full list of available sizes in each category to find the best option for your project.


MW Components manufactures standard and custom metal bellows and flexible metal hose for a variety of applications and industries. Some of the more common applications where hydroformed components are used include aerospace, medical, semiconductor, food and beverage, high-performance auto, cryogenics, and lab and university research facility use.

Components produced for these industries require precise tolerances and attention to detail. Our commitment to quality and precision manufacturing enables us to meet the extremely high standards of each of these industries and their unique applications.

  • Our hydroformed metal bellows and flexible metal hose are found in fuel line pumps of commercial space transport crafts and on NASA's Curiosity Mars rover as well as various military aircraft, such as F-15, F-16 Tomcat, F-18, and F-4 Phantom fighter jets. We are able to meet the tight tolerances these applications require with perfect precision and repeatability. Request a quote to learn more.

  • MW Components provides a range of products and manufacturing services for the medical industry. We provide steel braided hose and precision bellows assemblies for pharmaceutical and prescription drug manufacturing, stainless steel bellows for cleanroom applications, manufacturing for orthodontic braces components, and more. Request a quote to learn more.

  • MW Components provides high-quality, high-precision manufacturing for semiconductor OEMs and distributors. Our metal bellows are used in valve applications within chip manufacturing equipment. Our steel braided hose can be found in roughing line applications, vacuum electronics manufacturing, and more. Request a quote to learn more.

  • MW Components supplies metal bellows for high-performance automobiles. Because the difference between winning and losing can come down to the smallest of measures, leading performers in the IndyCar and NASCAR circuits have made MW Components their first choice for slip joint bellows that their machines need.

  • MW Components' metal bellows and flexible braided hose are used to help regulate temperature and pressure in liquid nitrogen and oxygen tanks, gas pumps, and various other cryogenic applications. Like most branches of physics, cryogenics leaves little room for error. Our components meet the tight tolerances and high-quality standards that these applications require.

  • Because even the tiniest of inaccuracies can derail years of research, leading labs and universities like Brookhaven National Lab, Fermilab, and Argonne National Laboratory turn to us to deliver components that match their exact specifications. From alternative energy research to particle beam science and beyond, our products meet or exceed the high standards of quality and precision required by advanced science.

Need More Information?

For details and questions on hydroformed bellows applications, features, and capabilities, ask an MW expert.

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