API RP 574 Inspection Practices for Piping System Components

Contents 1 Scope 2 Normative References 3 Terms, Definitions, Acronyms, and Abbreviations 3.1 Terms and Definitions 3.2 Acronyms and Abbreviations 4 Piping Components 4.1 Piping 4.2 Tubing 4.3 Valves 4.4 Fittings 4.5 Flanges 4.6 Expansion Joints 4.7 Piping Supports 4.8 Flexible Hoses 5 Pipe-joining Methods 5.1 General 5.2 Threaded Joints 5.3 Welded Joints 5.4 Flanged Joints 5.5 Cast Iron Pipe Joints 5.6 Tubing Joints 5.7 Special Joints 5.8 Nonmetallic Piping Joints 6 Reasons for Inspection 6.1 General 6.2 Process and Personnel Safety 6.3 Reliable Operation 6.4 Regulatory Requirements 7 Inspection Plans 7.1 General 7.2 Developing an Inspection Plan 7.3 Monitoring Process Piping 7.4 Inspection for Specific Damage Mechanisms 8 Frequency and Extent of Inspection 8.1 General 8.2 On-stream Inspection 8.3 Offline Inspection 8.4 Inspection Scope 9 Safety Precautions and Preparatory Work 9.1 Safety Precautions 9.2 Communication 9.3 Preparatory Work 9.4 Investigation of Leaks 10 Inspection Procedures and Practices 10.1 External Visual Inspection 10.2 Thickness Measurements 10.3 Internal Visual Inspection 10.4 Nonmetallic Piping 10.5 Flexible Hoses 11 Pressure Tests 11.1 Purpose of Testing 11.2 Performing Pressure Tests 11.3 Hammer Testing 11.4 Tell-tale Hole Drilling 11.5 Inspection of Piping Welds 11.6 Other Inspection Methods 11.7 Inspection of Underground Piping 11.8 Inspection of New Fabrication, Repairs, and Alterations 12 Determination of Minimum Required Thickness 12.1 Piping 12.2 Valves and Flanged Fittings 13 Records 13.1 General 13.2 Sketches 13.3 Numbering Systems 13.4 Thickness Data 13.5 Review of Records 13.6 Record Updates 13.7 Audit of Records Annex A Bibliography Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 Figure 33 Figure 34 Figure 35