July 2022, Vol. 249, No. 7

Guest Commentary

Dealing with Lack of Universal Sleeve Manufacturing Specifications

By Allan “Chip” Edwards, IV, President, Allan Edwards, Inc.    Full encirclement steel sleeves have been a popular repair solution for more than a century and are widely used by pipeline operators.   Yet, despite their common acceptance and steady popularity, there is no manufacturing specification governing the fabrication of steel repair sleeves either recognized or enforced by any regulatory body in the pipeline industry.   While plenty of regulations detail usages and applications for full encirclement sleeves, as well as minimum standards for their installation, there is no formal baseline that sleeve manufacturers must abide by when fabricating repair sleev

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