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October 9, 2025

Impact of Temperature Difference Within Channel on Flange Sealing Performance for Shell and Tube Heat Exchanger

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Authors

YNYuta NakanoSKShunji KataokaKTKyohei Takahashi

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Overview

Observational analysis highlights leakage risks in flanged joints due to temperature differences, suggesting better evaluation methods based on API 660.

Key Points

  • Significant temperature differences can compromise sealing performance, leading to leakage in flanged joints.
  • The study emphasizes the importance of the initial gasket contact pressure in maintaining seal integrity under temperature variations.
  • API 660 recommends additional analysis for flanged joints exposed to extensive temperature differences, indicating a need for improved evaluation methods.
  • Evaluation results provide insights into the mechanisms of leakage linked to temperature differences in shell and tube heat exchangers.

Cite This Study

Nakano et al. (2025) studied this question.

synapsesocial.com/papers/68e8439a9989581a2fd4e21ahttps://doi.org/10.1115/pvp2025-152609
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