Outlines

API Foreword — ii
Foreword — v
Introduction — vi

1 Scope — 1
2 Conformance — 1
2.1 Units of measurement — 1
2.2 Rounding — 1
2.3 Compliance to standard — 1
3 Normative references — 2
4 Terms and definitions — 4

5 Symbols and abbreviated terms — 7
5.1 Symbols — 7
5.2 Abbreviated terms — 7
6 Valve types and configurations — 8
6.1 Valve types — 8
6.2 Valve configurations — 9

7 Design — 23
7.1 Design standards and calculations — 23
7.2 Pressure and temperature rating — 24
7.3 Sizes — 24
7.4 Face-to-face and end-to-end dimensions — 25
7.5 Valve operation — 39
7.6 Pigging — 40
7.7 Valve ends — 40
7.8 Pressure relief — 41
7.9 Bypasses, drains and vents — 42
7.10 Injection points — 42
7.11 Drain, vent and sealant lines — 42
7.12 Drain, vent and sealant valves — 43
7.13 Hand-wheels and wrenches — Levers — 43
7.14 Locking devices — 43
7.15 Position of the obturator — 43
7.16 Position indicators — 43
7.17 Travel stops — 44
7.18 Actuator, operators and stem extensions — 44
7.19 Lifting — 44
7.20 Drive trains — 44
7.21 Stem retention — 45
7.22 Fire type-testing — 45
7.23 Anti-static device — 45
7.24 Design documents — 45
7.25 Design document review — 45

8 Materials — 46

8.1 Material specification — 46
8.2 Service compatibility — 46
8.3 Forged parts — 46
8.4 Composition limits — 46
8.5 Toughness test requirements — 47
8.6 Bolting — 48
8.7 Sour service — 48
8.8 Vent and drain connections — 48

9 Welding — 48

9.1 Qualifications — 48
9.2 Impact testing — 48
9.3 Hardness testing — 49
9.4 Repair — 49

10 Quality control — 51

10.1 NDE requirements — 51
10.2 Measuring and test equipment — 51
10.3 Qualification of inspection and test personnel — 51
10.4 NDE of repairs — 52
10.5 Weld end NDE — 52
10.6 Visual inspection of castings — 52

11 Pressure testing — 52

11.1 General — 52
11.2 Stem backseat test — 53
11.3 Hydrostatic shell test — 53
11.4 Hydrostatic seat test — 54
11.5 Testing of drain, vent and sealant injection lines — 55
11.6 Draining — 55

12 Coating — 55
13 Marking — 56
14 Preparation for shipment — 58
15 Documentation — 58

Annex A (normative) Requirements for non-destructive examination — 59
Annex B (normative) Supplementary test requirements — 63
Annex C (informative) Supplementary documentation requirements — 67
Annex D (informative) Purchasing guidelines — 68
Annex E (informative) Marking example — 75
Annex F (informative) API Monogram — 77
Bibliography — 79

Petroleum and natural gas industries — Pipeline transportation systems — Pipeline valves 

Who Should Attend

Duration

5 Days