Dictum in NOM-013 SEDG 2002
This Mexican Official Standard establishes the methods for ultrasonic measurement and for the evaluation of the thicknesses of the cylindrical section and caps of non-portable containers intended to contain L.P. Gas, in use, as well as the conformity evaluation procedure. correspondent.
Non-portable containers, better known as stationary tanks, due to their use, are exposed to internal and external corrosion, or defects in their manufacturing. The application of the NOM is mandatory for containers after ten years of use, which must be inspected and measured using a pulse-echo method to determine the thickness of their plates.