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October 9, 2025

Flange Assembly Protocols: Analyzing Preheating Strategies for High-Temperature Applications

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Authors

CGCarlos D. GirãoIMIgor MeiraMBMarcos Barros

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Overview

Analysis reveals preheating strategies improve bolt tension in high-temperature flange assembly, suggesting enhanced leak prevention.

Key Points

  • Preheating flanges before retorque can reduce the risk of joint loosening and leaks during startup.
  • The study evaluated approaches from ASME PCC-1-2022, which include electrically heating flanges for better joint integrity.
  • Thermocouples and strain gauge bolts were utilized to monitor temperature and bolt tension during the testing process.
  • Implementing preheating strategies may improve operational integrity and safety in high-temperature applications.

Cite This Study

Girão et al. (2025) studied this question.

synapsesocial.com/papers/68e8439a9989581a2fd4e222https://doi.org/10.1115/pvp2025-154626
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Multi-Objective Optimization of a High-Temperature Flange–Bolt–Gasket System Based on a Cyclic Symmetric Thermal–Structural Coupling Model2026
  2. 2Elastic Interaction of Bolted Flange Joints During Untightening2025
  3. 3Study for Tightening Procedure Using Multiple Tools of Bolted Connections With SWG2025
  4. 4Thermal shock: A flange leakage cause2024
  5. 5Automated FEA for Risk Based Hot/Half Bolting of Flanged Joints2025