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Positive material identification (PMI) inspection equipment is an essential part of on-site quality control for alloy components in and gas inspection. Our products will help you analyze accurate chemistry and alloy identification for PMI applications including piping, valves, welds, components, and pressure vessels.

Evident offers a variety of options: our process and handheld XRF analyzers can be used to analyze failures in mechanical integrity, and to precisely identify and sort according to chemical composition. XRF is ideal for fast in service inspection of alloy components to detect corrosion. The Vanta family of x-ray fluorescence (XRF) analyzers offer handheld devices for fast, nondestructive process testing. For more information on how Evident products can help you comply with API RP578 implement a material safety program prevent component failures and maintain plant safety.

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NDT Positive Material Identification Equipment

Handheld XRF Analyzer


The Vanta™ handheld XRF analyzer series are our newest and most powerful handheld XRF devices, delivering rapid, accurate element analysis for customers who demand laboratory-quality results in the field. The analyzers are built tough, with an IP55 or IP54 rating, and drop tested for greater uptime and a lower cost of ownership.

Xpert for Consumer RoHS

Vanta for PMI

Vanta handheld XRF analyzers for PMI provide highly specific material chemistry to quickly and accurately identify alloy grades to help ensure correct alloy installation in critical locations.

Positive Material Identification Equipment Resources

Predicting Flow Accelerated Corrosion

Vanta Handheld XRF for Predicting Flow Accelerated Corrosion (FAC)

In power generation process piping, carbon steels containing low amounts of chromium (Cr) are susceptible to accelerated corrosion. Monitoring chromium content with Vanta handheld XRF analyzers is crucial to predicting useful pipe life.

Ensure Plant Safety

XRF – A Fast Way to Ensure Plant Safety

In the oil and gas, chemical, and power generation industries, preventing leaks and spillages caused by component failure is of vital importance. A reliable and comprehensive positive material identification (PMI) program is an essential element to ensuring safe plant operation. Handheld X-ray fluorescence (XRF) analyzers are well suited for fast, easy PMI measurements, providing a cost-effective way to prevent component failures and maintain plant safety.


Basics of X-ray Fluorescence (XRF) for Positive Material Identification (PMI)

Review how XRF is used for positive material identification (PMI) and weld inspection for the oil and gas (O&G) sector. Testing methods, sample considerations, and strategies and tools for data management are discussed.

Practices for PMI

API 578 101: Standards, Guidelines, and Recommended Practices for PMI

American Petroleum Institute recommended practice 578. ReviewAPI RP578 standards, guidelines, and recommended practices to help reduce the likelihood of catastrophic events in the oil and gas industry. These practices are implemented by effective use of a material verification program, training and education, and record keeping.

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