API 570 Process Piping Inspection

InServe’s API 570 Process Piping Inspection addresses the challenges of complex configurations, buried or inaccessible piping, elevated piping, and more to identify risk and improve safety.

Damage Mechanism Detection

Find the cause of cracking, corrosion, heat damage and other problems.

Pinpoint Degradation

Identify potential problems to monitor corrosion or make repairs.

Non-Destructive Testing

Highly trained operatives identify and utilize the right testing method every time.


All hydrocarbon & chemical process piping that has been placed in service falls under API-570. Some piping that has been designated as “out of service” may be covered under this code if it is possible that it would be a safety hazard due to continuing deterioration. Other piping not specifically mentioned in API-570 can be inspected at the owner user’s discretion, such as PVC and Tubing.

Process Piping Inspection Benefits

Why do facilities and agencies need process piping inspection? Timely inspection conducts a thorough check of internal and external surfaces to ensure integrity. Our experts can locate areas of possible degradation to help plan repairs. Expert inspection reduces safety and operational risks, and are extremely cost-effective in comparison to piping failure or the need for more frequent replacement.



  • Metallic Piping
  • Fiberglass-Reinforced Plastic (FRP) Piping
  • Piping System Pressure Relieving Devices (PRV)


  • Raw, intermediate, and finished petroleum and chemical products;
  • Catalyst lines;
  • Hydrogen, natural gas, fuel gas, and flare systems;
  • Sour water and hazardous waste streams;
  • Hazardous fluid services;
  • Cryogenic fluids such as: liquid N2, H2, O2, and air;
  • High-pressure gases greater than 150 psig such as: gaseous He, H2, O2, and N2.
  • Other hazardous or non-hazardous critical service.


  • 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
  • External Visual Inspection
  • On-Stream/Run and Maintain Inspection
  • Injection Point Survey
  • Mixing Point Survey
  • Touch Pont Survey
  • Bleeder Survey
  • High-Velocity Piping Survey
  • Soil to Air interface Survey
  • Ultrasonic Flaw Detection
  • Ultrasonic Thickness Testing (UTT)
  • Magnetic Particle (MT) and Dye Penetrant (PT) Testing
  • Corrosion Under Insulation (CUI) Inspection
  • Radiographic Testing (RT)
  • Positive Material Identification (PMI)
  • Leak Testing
  • Leak detection
  • Repair and alteration Inspection
  • Corrosion rate and remaining life evaluations


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

What is process piping inspection?

Process piping carries gases, water, chemicals, and other fluids through a system and converts them into an end product. It can be a simple system or a vast network of interconnected tubes, pipes, hoses, valves, gaskets, fittings, and other components. Because change occurs throughout the system, process piping is highly susceptible to degradation. Process piping inspection monitors the condition of that system to ensure ongoing safety and productivity.

What does process piping inspection include?

Our inspectors evaluate all internal and external surfaces of process piping. After inspection, we analyze data to identify damage mechanisms and problems like erosion, pitting, corrosion, fretting and more. Then we deliver inspection reports tailored to satisfy appropriate inspection codes for process piping.

What is nondestructive testing?

Nondestructive testing is useful for process piping inspection because it provides us with a number of ways to find damage without causing damage. We use methods like magnetic particle testing, dye penetrant testing, ultrasonic thickness testing, visual testing, and radiographic examination to find flaws and what’s causing them.

Who needs process piping inspection?

Process piping is commonly found at chemical and petrochemical plants, pharmaceutical facilities, oil refineries, automotive plants, aircraft manufacturing facilities, water treatment plants, and many other places. Anywhere piping is exposed to water, gas, chemicals, or other elements, it’s subject to degradation and needs inspecting and maintenance to ensure safety.

How can I learn more about process piping inspection?

We’re happy to schedule a one-on-one conversation to talk about your process piping inspection needs.

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