Non-Destructive Testing Methods for Sprinkler Systems

This technical report discusses innovative non-destructive testing (NDT) methods developed by Eddyfi Technologies for inspecting industrial sprinkler systems, focusing on corrosion detection. The report outlines the critical issue of corrosion in sprinkler pipes, which can lead to catastrophic failures, and highlights the inadequacies of current inspection protocols that primarily rely on visible assessments. It introduces two advanced NDT methods: guided wave ultrasonic testing (GWT) and magnetic flux leakage (MFL). GWT utilizes low-frequency ultrasound to detect corrosion over long distances without the need for constant probe movement, while MFL offers rapid and reliable corrosion screening with minimal surface preparation. The report details the operational efficiency of these technologies, emphasizing their ability to enhance safety and reliability in fire suppression systems. Additionally, it presents specific case studies demonstrating the effectiveness of these methods in identifying corrosion and pitting in sprinkler pipework, ultimately advocating for their adoption in industrial applications.