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Custom Pressure Vessels – Design & Fabrication

ASME manufacturer of custom pressure vessels and storage tanks for the chemicals & petrochemicals

Project Experience

We are an expert designer and manufacturer of custom pressure vessels and storage tanks for the chemical, petrochemical, paper and power industries. Riggins has fabricated and serviced:

  • Distillation columns 
  • Electro-polished tanks 
  • Polished tanks 
  • Process skids 
  • Quick opening hatches 
  • High pressure and heavy walled vessels 
  • Towers

Pressure Vessel Code Compliance

Riggins Company is an ASME Code fabrication shop and we hold Section VIII “U” and “U2” stamps as well as National Board’s “R” stamp. All of our welders are qualified to perform ASME code fabrication work; our quality control program applies this stringent set of fabrication standards to every job; even those jobs that don’t require it.

Custom Pressure Vessel User Design Spec Form U-DR-1 Custom Pressure Vessel User Design Spec Form U-DR-1 (199 KB)

Design and Fabrication Services

Our in-house engineering team’s expertise in optimizing ASME design of pressure vessels weighing up to 30 tons enables us to provide our customers a broad range of solutions 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 
  • Use wide array of materials including stainless steel, Duplex stainless steel, copper alloys, copper nickel, Monel, Inconel, and Haynes Alloys 
  • On-site installation, piping, rigging, and ASME repair

Industry Experience

Riggins specializes in the design, fabrication, and installation of mechanical and process equipment for the following industries:

  • Chemical and specialty chemical 
  • Energy and power plants including coal gasification plants, nuclear power plants, and power generation facilities 
  • Military, defense, and shipbuilding 
  • Pulp and paper 
  • Petrochemical 
  • Waste water treatment plants (WWTP) and water treatment plants (WTP)

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