About Us

Dufrane Capstone, established in Monterrey, Mexico  as Capstone Equipment, was formed to provide expert engineering design and fabrication services to the US, Mexico and South America markets. We specialize in high-quality design, manufacturing and fabrication of critical components for global applications. With extensive experience on custom piping systems, process skids, pressure vessels, acoustic silencers and baffles, lined and unlined stacks and ductwork, as well as custom equipment, we bring innovation and precision to every project.

Engineering Capabilities

Our engineering team possesses a diverse range of capabilities and utilizes cutting-edge software tools to deliver innovative solutions across various domains:

  • Pressure Vessels
  • API Tanks
  • Power Plant Performance
  • Structures
  • Stacks
  • Lifting Lugs
  • Connection Design
  • Hydraulic System Design
  • Drafting & 3D Modelling

Manufacturing Capabilities

Our 20,000 Sqft production facility is equipped with precision welding machinery, advanced metal forming technologies including laser cutting, plasma cutting, and oxy-fuel cutting, as well as efficient material handling equipment, 20 Ton crane, for streamlined manufacturing processes. We have Certified Welders and Engineers specialized in complex industrial fabrication.

  • ASME Section I, B31.1, and B31.3 Pipe & Valve Spool Fabrication
  • Pipe Skids (Process, Cold Boxes, Cooling Water, Fuel, Lube Oil, etc.)
  • Modular Pipe Racks
  • ASME Section VIII Pressure Vessels (Adsorber, CO Catalyst, Process, Reactor, etc.)
  • Lined Ductwork, Diverter Boxes, and Stacks
  • Silencers (Stack, Inlet, Exhaust, Vent, In-Line Section VIII, Enclosures, and Shrouds)
  • Process Heaters
  • Specialty Equipment


Contact Us

Choose Dufrane Capstone for engineering and manufacturing excellence that goes beyond expectations. We are dedicated to delivering solutions that drive success in your projects, no matter where you are located.

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