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 »

Autoclaves

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 »

 

Precisely Designed High Pressure Vessels With the Quality You Want

At Didion’s Mechanical we’ve been making high pressure vessels for over 35 years. We are a family owned company and have had a long history of stable growth as an American Society of Mechanical Engineers (ASME) code certified shop. We have a reputation for quality.

We can fabricate exactly the high pressure vessels you need or we can repair any you already have.

We are current holders of the U, U2, U3, S, and PP stamps and the National Board R-repair stamp. We also can certify equipment in compliance with the European Pressure Equipment Directive (P.E.D.), and stamp it with the CE stamp. Small wonder we are a preferred fabricator in the high pressure vessel industry.

We are proud to offer you:

High Pressure Vessels

ASME High Pressure Vessels

  • Pressure Vessels
  • High Pressure Vessels
  • Heat Exchangers
  • Autoclaves
  • Cryogenic Vessels
  • Vacuum Chambers
  • Process / Power Piping
  • Large & Heavy Machining
  • Weld Overlay / Clad Pressure Vessels
  • Separators, Reactors, Columns, etc

Our specialized services include: radiography, stress relieving, machining, engineering, design, cold shocking, hydro testing, decay testing, pneumatic testing, sandblasting, and painting.

We have well-established, proven procedures for working with many types of steel, chromes and exotic alloys. At Didion’s Mechanical we keep our operations and methods at state-of-the-art standards, including N.D.T. inspection procedures like in-house radiography. We are capably of building the most challenging high pressure vessels in the world.

We back up or claims with facts like we have produced over 3,100 high pressure vessels that are registered with the National Board.

Our strong management team, and highly motivated and well trained staff means we can deliver precisely the high pressure equipment you specify with the quality you want. We are known for our on time, on budget performance. We look forward to working with you on new high pressure vessels or repairing an existing one.

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