API 510 Pressure Vessel Inspection

API 510 covers the inspection, repair, alteration, and rerating activities for pressure containing vessels as well as the pressure relieving devices that protect the equipment covered in the code.


Ensure compliance with design, fabrication, inspection and testing standards.

API 510

This American Petroleum Institute inspection code regulates inspections, repairs, alterations and more.

Non-Destructive Testing

Our highly qualified technicians are trained in a range of testing methods to ensure safety and accuracy.

Pressure Vessel Inspection API 510

Pressure vessel inspection uses non-destructive testing to make sure a new pressure vessel complies with standards before being placed into use. It also evaluates currently installed pressure vessels after it undergoes alterations or repairs.

Before the American Society of Mechanical Engineers (ASME) created standards for pressure vessel inspection, when units were incorrectly manufactured or maintained, sometimes catastrophic failures have occurred. ASME guidelines help industries and government agencies make sure they install, use, and maintain pressure vessels correctly, while API-510 is guidelines are used to inspect and maintain them in such a way that type of catastrophe does not occur.



  • Towers
  • Drums
  • Shell & Tube Heat Exchangers
  • Air-Cooled Exchangers
  • Bullet Tanks
  • Sphere Tanks
  • Horton Sphere (Spheroid) Tanks
  • Flare Stack
  • Filters
  • Knock-Out Pots


  • External Visual Inspection
  • Internal Visual Inspection
  • On-Stream in lieu of Internal Inspections
  • Ultrasonic Flaw Detection
  • Ultrasonic Thickness Testing (UTT)
  • Magnetic Particle (MT) and Dye Penetrant (PT) Testing
  • Positive Material Identification (PMI)
  • Corrosion Under Insulation (CUI) Inspection
  • Leak Testing
  • Leak detection
  • Repair and alteration Inspection
  • Corrosion rate and remaining life evaluations
  • Fitness for Service (FFS) Evaluations
  • Risk Based Inspection (RBI)
  • Vendor Surveillance and Shop Audits
  • Inspection Work Plan (IWP) Development and Execution
  • Mechanical Integrity Program Development, implementation and sustainability


Every facility, organization, or agency has unique equipment. We’ve answered a few of the most common questions about pressure vessel inspection here, but our experts are eager to help if you have more.

What is pressure vessel inspection?

Pressure vessel inspection uses certified API-510 visual inspections and non-destructive testing methods to evaluate either new pressure vessels or equipment currently in use after it experiences alterations or repairs.

What does pressure vessel testing involve?

API-510 inspection code details stringent requirements for testing and inspection. Your pressure vessel inspection expert will identify the right type of testing method for your facility and equipment. That might include hydrostatic testing, pneumatic testing, visual testing (VT), liquid penetrant testing (PT), magnetic particle testing (MT) or other methods.

Why is pressure vessel inspection so important?

Pressure vessel inspection is critical for health, safety, and productivity. A rupture could allow toxic or poisonous substances to leak, cause explosions or fires, or create other hazards that shut down your facility. Even a minor incident can severely damage equipment.

Why choose InServe for pressure vessel inspection?

InServe is quickly becoming one of the most well-known and highly-respected testing agencies in the United States and Canada. Our experts are highly qualified and have extensive experience providing reliable results and strong customer service.

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