March 2019

Maintenance and Reliability

Application of ring-type joint gaskets in a refinery

In refineries and petrochemical plants, ring-type joint (RTJ) flanges have been applied to high-pressure processes or sensitive areas that are susceptible to leaks.

Lee, S., Lee, S. H., Jeon, S., SK Energy; Jang, T. Y., SK Innovation Co. Ltd.

In refineries and petrochemical plants, ring-type joint (RTJ) flanges have been applied to high-pressure processes or sensitive areas that are susceptible to leaks. In an RTJ flange, the bolt tightening load should be calculated and applied carefully to achieve good sealing performance and to avoid flange deformation with over-tightening. However, a deviation exists between theoretical bolt load values and actual application—many maintenance personnel have experienced leak incidents by applying only the theoretical bolt load value, leading them to apply a higher bolt load value than its criteria requires. In most cases, the root cause of the leak incident was not a bold load criterion, but

Log in to view this article.

Not Yet A Subscriber? Here are Your Options.

1) Start a FREE TRIAL SUBSCRIPTION and gain access to all articles in the current issue of Hydrocarbon Processing magazine.

2) SUBSCRIBE to Hydrocarbon Processing magazine in print or digital format and gain IMMEDIATE ACCESS to the current issue as well as to 3 articles from the HP archives per month. $399 for an annual subscription.

3) Start a FULL ACCESS PLAN SUBSCRIPTION and regain IMMEDIATE ACCESS to this article, the current issue, all past issues in the HP Archive, the HP Process Handbooks, HP Market Data, and more. $1,995 for an annual subscription.  For information about group rates or multi-year terms, contact J'Nette Davis-Nichols at Jnette.Davis-Nichols@GulfEnergyInfo.com or +1 713.520.4426.

Related Articles

From the Archive

Comments