BS EN ISO 14723:2009
Current
The latest, up-to-date edition.
Petroleum and natural gas industries. Pipeline transportation systems. Subsea pipeline valves
Hardcopy , PDF
English
31-07-2009
Foreword
Introduction
1 Scope
2 Conformance
2.1 Rounding
2.2 Compliance to standard
3 Normative references
4 Terms and definitions
5 Symbols and abbreviated terms
5.1 Symbols
5.2 Abbreviated terms
6 Valve types and configurations
6.1 Valve types
6.2 Valve configurations
7 Design
7.1 Design codes and calculations
7.2 Pressure and temperature ratings
7.3 Cavity relief
7.4 External pressure and loads
7.5 Sizes
7.6 Face-to-face and end-to-end dimensions
7.7 Valve operation
7.8 Pigging
7.9 Valve ends
7.10 Bypasses, drains and vents
7.11 Manual actuator-manual operator - Handwheels and
wrenches
7.12 Locking devices
7.13 Position of the obturator
7.14 Position indicators
7.15 Travel stops
7.16 ROV interface
7.17 Sealant injection
7.18 Lifting points and supports
7.19 Valve operator interface
7.20 Drive trains
7.21 Stem retention
7.22 Stem/shaft protector
7.23 Hydraulic lock
7.24 Corrosion/erosion
7.25 Hyperbaric performance
7.26 Design documents
7.27 Design document review
8 Materials
8.1 Material specification
8.2 Service compatibility
8.3 Forged parts
8.4 Composition limits
8.5 Impact test requirements of steels
8.6 Bolting
8.7 Sour service
9 Welding
9.1 Qualifications
9.2 Impact testing requirements of weldments
9.3 Hardness testing
9.4 Repair
10 Quality control
10.1 NDE requirements
10.2 Measuring and test equipment
10.3 Qualification of inspection and test personnel
10.4 NDE
10.5 NDE of repairs
10.6 Visual inspection of castings
11 Testing
11.1 General
11.2 Hydrostatic shell test
11.3 Operational/functional test
11.4 Hydrostatic seat test
11.5 Cavity-relief test
11.6 Low-pressure-gas seat test
11.7 Draining
11.8 Installation of body connections after testing
12 Coating
13 Marking
14 Preparation for shipment
15 Documentation
15.1 Documentation retained by manufacturer
15.2 Documentation shipped with valve
Annex A (normative) - Requirements for non-destructive
examination
Annex B (normative) - Supplementary test requirements
Annex C (informative) - Supplementary documentation
requirements
Annex D (informative) - Purchasing guidelines
Annex E (informative) - Marking example
Bibliography
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