Ring & Cylinder


HVAC systems rooftop


Equipping Buildings

Millerbernd rolled rings and cylinders can be found in chillers and industrial HVAC equipment in buildings where safety and comfort are of top concern. With decades of experience in HVAC, our unique flash welding processes, flexibility in order sizes and reputation for long-lasting, win-win relationships with customers around the world have made Millerbernd the name to know.

Designed & Fabricated to Your Specifications

HVAC part

Rolled Rings:

  • 1/4 up to 5-inch thick bar rolled the “Easy Way” or “Hard Way”
  • Diameters from 6 to 120+ inches
  • Flash welding from 1/2 up to 24 square inch cross-sections
  • Custom CNC machining
  • Rough machining of all surfaces up to 120-inch diameter
  • CMM Inspection Reports

Rolled Cylinders:

  • Diameters from 7 up to 144+ inches
  • Single-piece construction of plate widths up to 120 inches
  • Wall thickness from . up to 4 or more inches
  • Machining of interior and exterior surfaces
  • Custom drilling and boring