The U.S. Department of Transportation's (DOT) Research and Special Programs is proposing to change its safety standards for the repair of corroded or damaged steel pipe in gas and hazardous liquid pipelines by using a fiberglass composites. Under this proposal, repair is imposed on gas transmission lines having large area of corrosion that has reduced the pipe wall below the thickness required for the maximum allowable operating pressure (MAOP). A DOT maintenance standard for steel gas transmission lines operating at 40% or more of specified minimum yield strength requires that an imperfection or damage to pipe that impairs the service-ability of the line must either be replaced or repaired with a full encirclement split sleeve.


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    Title :

    Regulation changes create opportunities for pipeline manufacturers


    Contributors:
    Santon, J. (author)

    Published in:

    Materials Performance ; 38 , 9 ; 26-29


    Publication date :

    1999


    Size :

    4 Seiten, 13 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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