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NEB publishes white paper on quality assurance of pipeline fittings

by ahnationtalk on August 7, 2018105 Views

Report presents recommendations for regulatory and supply chain improvements

News Release
For Immediate Release

August 7, 2018 – Calgary – National Energy Board

The National Energy Board (NEB) has published its Recommendations to Improve Quality Assurance of Quenched and Tempered Fittings white paper. The report, published today, provides recommendations for enhanced quality assurance of integral components of Canada’s transmission pipeline systems – quenched and tempered fittings. There are thousands of fittings (elbows, tees and reducers) on NEB-regulated pipeline systems, whose proper and traceable manufacturing, distribution and procurement helps ensure the safe operation of more than 73,000 km of pipeline currently under NEB jurisdiction.

In recent years, the NEB became aware of instances where quenched and tempered pipe and fittings, with yield strength properties lower than specified, had been installed on pipeline systems under the NEB’s and other regulatory bodies’ jurisdiction. Today’s publication builds on the NEB’s proactive approach to addressing this issue and is leading the way for industry in advancing the quality assurance of pipeline fittings.

In addition to encouraging proactive and timely actions by regulated companies, such as requiring full traceability for fittings from suppliers and conducting quality audits of their manufacturers, the report identifies opportunities to add specificity to the NEB’s regulatory framework and also offers recommendations for standards bodies, manufacturers and distributors.


“This white paper and its recommendations equally reflects our ongoing commitment to working with, and positively influencing industry to help keep people and the environment safe. At the end of the day, that’s what we are here to do.” – Iain Colquhoun – Professional Leader, Engineering.
Quick Facts

  • To date, there have been no reported incidents on in-service pipelines regulated by the NEB, where the root-cause has been attributed to non-conforming quenched and tempered fittings.
  • Quenching and tempering is a heat treatment process used to obtain a balance of strength and toughness in steel components.

Related Products

Associated Links

The National Energy Board is an independent federal regulator of several parts of Canada’s energy industry. Its purpose is to regulate pipelines, energy development and trade in the Canadian public interest. For more information on the NEB and its mandate, please visit the National Energy Board website.

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Chantal Macleod
Communications Officer
National Energy Board
Telephone: 403-966-5036
Telephone: 403-292-4800
Telephone (toll free): 1-800-899-1265
Facsimile: 403-292-5503
Facsimile (toll free): 1-877-288-8803
TTY (Teletype): 1-800-632-1663


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