Pressure Vessels

Each pressure vessel that we manufacture is per the American Society of Mechanical Engineers (ASME) code. As a leading ASME pressure vessels manufacturer, our specialty lies in working with a variety of alloys, pressures, & designs to meet your custom requirements. More »

Weld Overlay and Clad Vessels

Our weld overlay and clad vessels are fully code-compliant. We use our advanced welding techniques to their full capabilities to offer you the finest overlay/clad components and pressure vessels. More »

High Pressure Vessels

We hold the American Society of Mechanical Engineers (ASME) U, U2, and U3 stamps, and have the capabilities and resources to manufacture ASME high pressure vessel to your exacting specifications. More »


We hold the American Society of Mechanical Engineers (ASME) U, U2, U3, PP, & S stamps, and have the capabilities and resources to manufacture autoclaves to your exacting specifications. More »

Heat Exchangers

We specialize in the design, engineering, and fabrication of Shell and Tube Heat Exchangers, including thermal calculations. All of our units are built in strict accordance with the latest edition and addenda of the A.S.M.E. Code, Section VIII Division 1, 2, or 3 and T.E.M.A.” More »


Choose Didion’s Mechanical for Metal Fabricated Pressure Vessels

The process of fabricating metal pressure levels is an intricate and carefully executed process. To successfully manufacture metal pressure vessels, a company needs to have in-depth knowledge and experience in all the processes including design, engineering, fabrication, and machining. You can find all these services and more at Didion’s Mechanical.

A leading manufacturer with over 30 years of experience, we at Didion’s Mechanical has the capabilities to provide you various types of vessels to meet your industrial needs. These include autoclaves, reactors, separators, pressure vessels, and evaporators.

How We Can Serve You

Manufacturing with excellence is the ultimate goal for us. We ensure that all our metal fabricated pressure vessels meet global standards of design, safety, and performance. All our products are designed in adherence to the American Society of Mechanical engineers (ASME). We have the capabilities to fabricate our industrial vessels in a variety of steels and alloys, such as:

  • Aluminum
  • Carbon Steel
  • Stainless Steel
  • High tensile ferritic steel
  • Inconel
  • Monel

At Didion’s Mechanical, we leave nothing to chance. We utilize advanced design methods such as fatigue and stress analysis during the design process. Our large facility comprises all the latest equipment in terms of:

  • Drafting
  • Engineering
  • Heat Treatment
  • Machining
  • Radiography
  • Rigging

We can provide metal fabricated pressure vessels of varied thickness and weight. Within our shop, the diameter of the pressure vessel can be increased to 16 ft. We also provide yard fabrication services if your project requires a vessel with a larger diameter.

Meeting Global Expectations

metal fabricated pressure vessels

Our industrial vessel products meet all the requirements of the following global standards and certifications:

  • A.W.S. & A.P.I.
  • A.S.M.E. Sect. 1
  • A.B.S. (American Bureau of Shipping)
  • A.S.M.E. Sect. VIII, Div. 1, 2, & 3
  • N.B.I.C. (‘R’ Repairs)
  • A.S.M.E. Sect. B31.1 & B31.3
  • P.E.D. (European Pressure Equipment Directive)

Our vessels are widely used by customers around the world. We cater to the needs of companies in various industries, including offshore drilling, geothermal, power generation, oil and gas, and chemical and petrochemicals.

Whether you have a standard or customized vessel requirement, we at Didion’s Mechanical guarantee that you will receive metal fabricated pressure vessels of world class quality and durability.

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