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
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Table 7
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