KELCO Precision Engineered Components for HVAC and Construction: Download our Line Card

For over 100 years, Flex-Weld, a division of KELCO, has been a leader in the design and fabrication of flexible metal bellows, expansion joints, expansion compensators, metal hose assemblies, expansion loops, and other engineered components.

Our products are manufactured in the USA at our facility in Woodstock, IL and are found in hundreds of applications across a wide range of industries. Our precision-engineered components include:

  • Expansion Compensators
  • Braided Hose & Assemblies
  • Expansion Loops
  • Rubber Expansion Joints
  • Externally Pressurized Expansion Joints
  • Internally Pressurized Expansion Joints
  • Bellows-Type Pump Connectors
  • General Purpose / Exhaust Assembly

Delegated Design Services

Our Professional Design Review conducts stress and flexibility analysis to ensure that your piping systems meet ASME B31 piping codes. A written report, calculation results, and stress isometric drawings with recommendations will be provided for your project. Stress & Flexibility analysis, together with a detailed Mechanical Piping Review, will ensure that your mechanical system will function as intended for its useful service life:

  • Design layout, stress analysis, calculations, and submittal
  • In accordance with ASME B31
  • Stamped by licensed professional engineer
  • Product selection
  • Material certifications

Learn more about Delegated Design Services HERE.

Download our HVAC and Construction Line Card HERE:

Can’t get what you need? Give us a call. We’ll help you get that order filled – and keep you moving ahead. Contact us at 815-334-3600 or by email at [email protected]

Not sure what you need? Give us a call. We’ll help you get that order filled – and keep you moving ahead. Contact us at 815-334-3600 or by email at [email protected]

If you’re ready to be more efficient and build your bottom line, contact us at 815-334-3600 or by email at [email protected]. We’re proud to serve our longtime clients and welcome the opportunity to help new customers.