is a cost-effective inspection technique used to capture real-time views and images from inside voids such as tubes, pipes, rotating machinery, engines, heat exchangers, tray towers, refractory-lined vessels and enclosed structures. RVI can be a perfect complementary technique to other NDT disciplines and is frequently used as the primary or initial inspection screening method to find localized corrosion and erosion.
is a fast, accurate and cost-effective electro-magnetic method for detection of surface or near-surface flaws such as metal loss due to corrosion or erosion. It is commonly used for the inspection of heat exchanger tubing and piping, shell-side components such as support plates and rotating equipment such as turbine blades.
Regularly scheduled inspections can validate corrosion rates and allow to better plan for maintenance situations. While ultrasound thickness (UT) readings do not provide enough precision with the collection of manual thickness readings to adequately determine wall thickness losses from corrosion. Pitting cannot be reliably detected by conventional UT methods simply because the size of the defect is small compared to the area inspected. Phased array ultrasound (PAUT) techniques can be used to approach the needed precision and get great coverage quickly.
is one of the better tools to detect corrosion under insulation and flow accelerated corrosion. It is fast (reduces inspection times by more than 95%) and does not require the insulation to be removed and replaced. Digital radiography also makes it easier to manage large volumes of inspection data using DICONDE-compliant digital reporting tools.