Thermal shock: A flange leakage cause

Ashish Goyal *

Sempra Infrastructure, Quality Manager (LNG & Net Zero solutions), Houston, Texas, USA.
 
Review
International Journal of Science and Research Archive, 2024, 12(01), 2052–2060.
Article DOI: 10.30574/ijsra.2024.12.1.0951
Publication history: 
Received on 18 April 2024 revised on 24 May 2024; accepted on 27 May 2024
 
Abstract: 
Flange leakage due to thermal shock is a critical issue in piping systems. This paper presents a comprehensive case study on the impact of thermal shock on flange leakage in piping systems. It explores the phenomenon where a sudden increase in operating temperature can compromise the integrity of flanged joints, leading to leakage. The study delves into the thermal response of flanges and how it can precipitate a loss of bolt loading, resulting in a decrease in gasket seating pressure. Through detailed analysis, the paper discusses the steady-state operation of flanges, temperature variations within piping systems, and the events of thermal transients. It further evaluates the effects of forced displacement on bolt stress and the subsequent impact on flange stability.
 
Keywords: 
Flange Integrity; Bolt Loading; Gasket Seating Pressure; Bolt Stress; Flange Stability; Quality Assurance
 
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