Sub arc welding pressure vessel in workshop

Pressure Vessel Design and Fabrication

DIALOG Fitzroy is a market leader in custom design and fabrication of code certified pressure vessels, serving clients in chemical, petrochemical, oil and gas, refining, geothermal and a wide variety of manufacturing industries.

Our team offers turnkey solutions to pressure vessel requirements, our in-house engineering team’s expertise in pressure vessels enables us to provide our customers a broad range of options including:

  • Pressure vessel engineering and fabrication of custom pressure vessels for new facilities and pilot plants
  • Design solutions requiring finite element analysis, mechanical or thermal design capabilities
  • Build-to-print replacement pressure vessels for existing facilities

We understand that various industries and applications require different materials for the fabrication of pressure vessels, aboveground storage tanks, and other essential industrial pipe and parts.  With this in mind, we utilise our library of over 250 welding procedures to design and fabricate pressure vessels using specialist materials including carbon steel, stainless steel, Duplex, Super Duplex, copper-nickel, Monel, Inconel, and Chrome Molybdenum.




Our broad range of capabilities, strategic partnerships and significant in-house inventory allow our clients to single source all their process vessel fabrication needs.  All our pressure vessels are designed and manufactured with commitment and exacting quality control, to ensure that every pressure vessel we deliver is produced to the highest standards.

  • Steam Drums   
  • Columns    
  • Towers             
  • Reactors   
  • Separators   
  • Jacketed Vessels        
  • Deaerators 
  • Autoclaves    
  • Scrubbers
  • Knockout Drums      
  • Exchangers   
  • Coolers 


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