Hunt Thermal Technologies custom design and fabricate a wide range of pressure vessels for various global markets. With our in-house design and manufacture of pressure vessels, we cover a wide range of requirements including ASME U Stamp. As a UK based manufacturer, with over 60 years of expertise, we can offer a competitive solution to comply with an extensive range of international design codes and regulations.

We have extensive experience in safety-critical applications in the harsh environments of oil, gas, and nuclear energy industries. This means that our welding and overall quality must meet the highest standards. All our vessels undergo internal and third-party inspections throughout the manufacturing process to ensure that the final product has a trustworthy level of quality.

Hunt Thermal Technologies has passed various ISO standard certifications and has a large number of dual-certified PQR and welding procedure catalogues. We also regularly work with customers to develop new welding procedures to meet specific design standards and international standards.


All pressure vessel solutions are designed and managed through to delivery by our specialist teams of thermal mechanical engineers and project managers. Each Pressure Vessel is built to your specifications – considering space requirements and coupling the best thermal performance with robust design to achieve the optimal solution for each of our valued customers.

All designed to the below standards and software:

  • In house design using specialist modelling PV Elite
  • Full Projects & Quality team
  • Drawings drafted using full AutoCAD design or build to print services
  • Built to required/specified design codes ASME VIII Div 1 + U-Stamp, PD5500 and various others
  • Experience of delivering into Oil & Gas, Energy, Waste treatment & Nuclear industries
  • Working with all recognised third-party inspection agencies to obtain design approvals

We manufacture to these typical requirements, but can design beyond if the need arises

  • 26m length (3m minimum)
  • 120-tonne weight
  • 350bar pressure
  • 760ºC temperature

Constructed to an array of exotic materials, including but not limited to:

  • Aluminium Brass
  • Carbon Steel
  • Chrome Molybdenum
  • Copper
  • Copper Nickel 70/30 & 90/10
  • Duplex
  • Super Duplex
  • Hastelloy
  • Inconel 625 & 825
  • Monel (alloy400)
  • Stainless Steel (all grades)
  • Titanium (all Grades)