API 14E : 1991 : R2013

Policy
Foreword
Definitions
Symbols
Section 1 - General
Scope
Code for pressure piping
Policy
Industry codes, guides and standards
  American Iron and Steel Institute
  American National Standards Institute
  American Petroleum Institute
  American Society for Testing and Materials
  National Association of Corrosion Engineers
  National Fire Protection Association
  Gas Processors Suppliers Association
  Hydraulics Institute
Governmental rules and regulations
Demarcation between systems with different pressure
ratings
Corrosion considerations
  General
  Weight loss corrosion
  Sulfide stress cracking
  Chloride stress cracking
  Application of NACE MR-01-75
Section 2 - Piping design
Pipe grades
  Non-corrosive hydrocarbon service
  Corrosive hydrocarbon service
  Sulfide stress cracking service
  Utilities service
  Tubing
Sizing criteria - general
Sizing criteria for liquid lines
  General
  Pump piping
Sizing criteria for single-phase gas lines
  General pressure drop equation
  Empirical pressure drop
  Gas velocity equation
  Compressor piping
  General notes
Sizing criteria for gas/liquid two-phase lines
  Erosional velocity
  Minimum velocity
  Pressure drop
Pipe wall thicknesses
Joint connections
Expansion and flexibility
Start-up provisions
References
Section 3 - Selection of valves
General
Types of valves
  Ball valves
  Gate valves
  Plug valves
  Butterfly valves
  Globe valves
  Diaphragm (bladder) valves
  Needle valves
  Check valves
Valve sizing
Valve pressure and temperature ratings
Valve materials
  Non-corrosive service
  Corrosive service
  Chloride stress cracking service
  Sulfide stress cracking service
References
Section 4 - Fittings and flanges
General
Welded fittings
Screwed fittings
Branch connections
Flanges
  General
  Gaskets
  Flange protectors
  Bolts and nuts
Proprietary connectors
Special requirements for sulfide stress cracking service
Erosion prevention
References
Section 5 - Design considerations for particular piping
            systems
General
Wellhead accessory items
  Sampling and injection connections
  Chokes
Flowline and flowline accessories
  Flowline pressure sensor
  Flowline orifice fitting
  Flowline heat exchanger
  Flowline check valve
  Flowline support
Production manifolds
  General
  Manifold branch connections
  Manifold valve installation
Process vessel piping
Utility systems
  Pneumatic systems
    Air systems
    Gas systems
  Fire water systems
  Potable water systems
  Sewage systems
Heating fluid and glycol systems
Pressure relief and disposal systems
  General
  Relief device piping
  Relief (disposal) system piping
Drain systems
  Pressure drains
  Gravity drains
Bridge piping between platforms
Risers
Sampling valves
References
Section 6 - Considerations of related items
General
Layout
Elevations
Piping supports
Other corrosion considerations
  Protective coatings for external surfaces
    Types of platform piping coating systems
    Selection of platform piping coating systems
    Risers
  Corrosion protection for internal surfaces
    Process piping
    Water piping
    Protective coatings
  Compatibility of materials
  Non-destructive erosion and/or corrosion surveys
  Cathodic protection
Thermal insulation
Noise
Pipe, valves and fittings tables
Inspection, maintenance and repair
Section 7 - Installation and quality control
General
Authorized inspector
Welding
  Safety precautions
  Welding procedure qualification
  Welder qualification
  Welding records
  Welding requirements
  Heat treatment
  Examination and inspection
    Radiographic inspection
Pressure testing
  Hydrostatic tests
  Pneumatic tests
Test record
Appendix A - Example problems
Introduction
Flowline piping design
Pump suction piping design
Appendix B - Acceptable butt welded joint design for
             unequal wall thicknesses
Appendix C - Example pipe, valves and fittings tables
Appendix D - List of equations
Appendix E - List of figures
Appendix F - List of tables

Recommends minimum requirements and guidelines for the design and installation on new piping systems on offshore production platforms. Includes general recommendations on design and application of pipe, valves and fittings for typical processes; general information on installation, quality control and items related to piping systems such as insulation; and specific recommendations for the design of particular piping systems.