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MFE / MFL TANK FLOOR SCANNER
APC provides clients API 653 tank bottom inspections using certified technicians and advanced inspection equipment. Magnetic Flux Leakage (MFL) or also known as Magnetic Flux Exclusion (MFE) is a magnetic method of nondestructive testing used to detect product side and soil side corrosion in above ground storage tanks.
The basic principle is based on a powerful magnet introducing magnetic lines of force (flux) into the steel plates of a tank bottom. When areas of metal loss are detected the magnetic flux “leaks” know as flux leakage. Sensors are used to detect these flux leakages. Detected areas must then be further evaluated “proved up” utilizing Ultrasonic Thickness (UT) and/or Pit Gauging.
APC utilizes MFE Tank Floor Scanners (with the choice of MFE Mark II or Mark III Tank Floor Scanners).
MFE Mark II Tank Floor Scanners
FEATURES
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▪ MFE Electronics Module Compatible ▪ Displays Digital Volume Loss Signals in real time ▪ Adjustable Threshold ▪ Adjustable Display Brightness capable of viewing in sunlight ▪ Adjustable Gain for improving signal and reducing noise ▪ Scan speeds up to 3 feet per second ▪ Doubled Magnetic Material in Bridge ▪ Perform through coating inspections ▪ Perform inspections of thicker plate ▪ 12” Scan Width ▪ Battery powered for over 12 hours of continuous use
MFE Mark III Tank Floor Scanners
This latest model offers improved inspection results through coated floors and thicker plates, fully adjustable limits for enhanced thresholding techniques, as well as the ability to produce color-coded maps of carbon steel loss across tank floors.
Defects will be mapped using an XY coordinate system. This will give the tank owner/operator each defects size and location on each individual plate. This full fingerprint of the tank bottom will highlight all the areas requiring repair, which are key factors in determining the tanks corrosion rate and next inspection interval.
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APC MFL Tank Floor Scanning.pdf
