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Every processing facility has miles of piping to move liquids or gasses from one place to another. These complex and integrated piping systems are essential for the safe and effective operation of a facility; as a result, any unexpected failure or leakage in the piping will impact the entire facility. The articles in this issue of Industry Insights offer examples on how to improve the operability of piping systems and bolted flange joints.

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Featured Articles

Hammered Pipe Still Standing: Is It Fit for Service?

Author: Kraig S. Shipley, P.E., Piping & Fired Heaters, Principal, Engineer I

Steam piping systems that are not adequately controlling condensate levels may experience a steam hammer event, which is when a slug of condensate is propelled at high velocity down the piping system. When the large dynamic slug force hits an elbow or pipe cap, it can displace the piping system or slide the pipe shoes off the structural members. In this case study, Kraig Shipley discusses a recent consulting project that used SIMFLEX-IV to determine if a steam header was still fit -for -service after a steam hammer event.

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SIMFLEX-IV: A Modern Pipe Stress Engineering Solution

Authors: Donald L. Brown, Ph.D., Consulting Researcher I; Edrissa Gassama, Ph.D., Senior Researcher II; Daniel Spring, Ph.D., Group Head Consulting Researcher I

SIMFLEX-IV, the latest update to E2G’s cloud-based piping stress analysis software, will help you prevent potential failures by improving the structural integrity of piping systems and supporting structures. In a single run, you will be able to assess sustained, occasional, and displacement stresses at every data point throughout the piping system. This article introduces you to fast and easy ways to integrate advanced static and dynamic piping stress analysis into your daily workflow.

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Improving Reliability of Bolted Flanged Joints

Author: Robert C. Davis, P.E., Consulting Engineer II

ASME VIII-1 Appendix 2 flange design rules states flanges should be sufficiently robust to withstand the stresses produced by operating loads; however, what happens if those flanges leak during operation?. Do you know what options are available to reduce or eliminate the potential risk of leakage in bolted flange joints? In this article, Bob Davis introduces several options to evaluate bolted flange designs with the goal of minimizing the risk of leakage without risking damage to any of the joint components.

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Recently Published in the Industry Insights Newsletter

Process Safety Management & Mechanical Integrity in the Hazardous Materials Processing & Handling World

PSM and Mechanical Integrity in the Hazardous Materials Processing and Handling World

Author: Jim McVay, Mechanical Integrity Team Leader

When well implemented, a mechanical integrity program will reduce failures, extend equipment life, increase operating limits, and optimize maintenance and inspection budgets. In this article, Jim McVay introduces several of the elements you need to consider when developing a successful mechanical integrity program and explains how everyone plays a role in the effective implementation.

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Reduction of Nuisance Alarms by Implementing the Alarm Management Lifecycle, A Focus on Rationalization

Author: Melissa Westbrook, Instrumentation & Electrical Engineering Team Leader

We are all familiar with Aesop’s fable, “The Boy Who Cried Wolf.” Similarly, with alarm management, if you hear a false alarm too often, you may miss the opportunity to prevent a dangerous situation or equipment failure. In this article, Melissa Westbrook discusses the dangers of ignoring nuisance alarms and provides actionable insights into developing an alarm rationalization philosophy.

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Launching the New Equity Engineering Cloud (eec) Platform

Launching the New Equity Engineering Cloud (eec) Platform

Author: Daniel W. Spring, Ph.D., Group Head Consulting Researcher I

The newly launched eec platform delivers accurate engineering calculations using the speed and flexibility of the cloud. The refreshed interface and dashboard layout are streamlined to make it faster and easier to make informed decisions on safety and reliability. The eec remains your one-stop platform to help you manage risk and control inspection costs throughout a facility’s lifecycle.

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