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2. Pipe Flanges and Flanged Fittings: NPS ½ Thorough NPS 24, Metric/Inch Standard;American Society of Mechanical Engineers (ASME) B16.5,2020
3. Handbook of Materials Failure Analysis With the Case Studies From the Construction Industries;Makhlouf,2018
4. Valve Technology;Norwegian Oil Industry Association,2013
5. Valve Selection Handbook;Smith,2004