API is the abbreviation of American Petroleum Institute, that is, American Petroleum Institute. API was founded in 1919. The organization is based on the characteristics of the industry and its own needs in the industry. In 1924, API specifications were formulated to guide the production of related products in the petroleum industry. Because the API specifications formulated by the API organization are advanced, universal, safe, and the influence of the U.S. oil industry in the world continues to expand, the API specifications have been widely used by countries around the world. Therefore, the API organization, originally an academic organization in the US oil industry, has evolved into an authoritative academic organization in the oil industry across national boundaries.
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Cover Special Notes Foreword Contents Introduction 1 Scope 1.1 General 1.2 Conformance 1.3 Conformance with Specification 1.4 Processes Requiring Validation 2 Normative References 3 Terms, Definitions, Acronyms, Abbreviations, Symbols, and Unit 3.1 Terms and Definitions 3.2 Acronyms and Abbreviations 3.3 Symbols and Units 4 Valve Types and Configurations 4.1 Valve Types 4.2 Valve Configurations 5 Design 5.1 Design Standards and Calculations 5.2 Pressure and Temperature Rating 5.3 Sizes 5.4 Face-to-face and End-to-end Dimensions 5.5 Valve Operation 5.6 Pigging 5.7 Valve Ends 5.8 Valve Cavity Pressure Relief 5.9 Drains 5.10 Injection Points 5.11 Drain, Vent, and Sealant Lines 5.12 Drain, Vent, and Sealant Valves 5.13 Handwheels and Wrenches—Levers 5.14 Locking Provision 5.15 Position of the Obturator 5.16 Position Indicators 5.17 Travel Stops 5.18 Actuator, Operators, and Stem Extensions 5.19 Lifting 5.20 Drive Trains 5.21 Stem Retention 5.22 Fire Type-testing 5.23 Antistatic Device 6 Materials 6.1 Material Specification 6.2 Tensile Test Requirements 6.3 Service Compatibility 6.4 Forged Parts 6.5 Composition Limits 6.6 Toughness Test Requirements 6.7 Bolting 6.8 Sour Service 6.9 Drain Connections 6.10 Heat-treating Equipment Qualification 7 Welding 7.1 Welding Consumables 7.2 Welding Procedure and Welder/Welding Operator Qualifications 7.3 Impact Testing 7.4 Hardness Testing 7.5 Repair 7.6 Repair of welds 8 Quality Control 8.1 NDE Requirements 8.2 Measuring and Test Equipment 8.3 Qualification of Personnel 8.4 NDE of Repairs 8.5 Weld End NDE 8.6 Visual Inspection of Castings 8.7 Quality Specification Levels (QSLs) 9 Pressure Testing 9.1 General 9.2 Stem Backseat Test 9.3 Hydrostatic Shell Test 9.4 Hydrostatic Seat Test 9.5 Check Valves 9.6 Testing of Drain, Vent, and Sealant Injection Lines 9.7 Draining 10 Coating/Painting 11 Marking 12 Preparation for Shipment 13 Documentation 14 Facility Requirements 14.1 Minimum Facility Requirements for the Assembler Category of Manufacturing 14.2 Activities Applicable to an Assembler Facility Annex A (informative) API Monogram ProgramUse of the API Monogram by Licensees Annex B (informative) Valve Configurations Annex C (normative) Valve End-to-end and Face-to-face Dimensions Annex D Guidance for Travel Stops by Valve Type Annex E (informative) API 20 Series Supply Chain Management Annex F (normative) Qualification of Heat-treating Equipment Annex G (normative) Requirements for Nondestructive Examination Annex H (normative) Supplementary Test Requirements Annex I (informative) Requirements for Extended Hydrostatic Shell Test Duration and Records Retention for Valves in Jurisdictional Pipeline Systems Annex J (normative) Quality Specification Level (QSL) for Pipeline Valves Annex K (informative) Isolation Valve Features Annex L (normative) External Coating for End Connections Annex M (informative) Marking Example Annex N (informative) Supplementary Documentation Requirements Annex O (informative) Purchasing Guidelines Bibliography Figures Figure 1—Typical Flange Dimensions Figure 2—Bolt-hole Misalignment Figure 3—Charpy V-notch Weld Metal Specimen Location Figure 4—Charpy V-notch Heat-affected Zone Specimen Location Figure 5—Typical Identification Plate for a Valve with One Seat Unidirectional and One Seat Bidirectional Figure B.1—Expanding-gate/Rising-stem Gate Valve Figure B.2—Slab-gate/Through-conduit Rising-stem Gate Valve Figure B.3—Plug Valve Figure B.4—Top-entry Trunnion Mounted Ball Valve Figure B.5—Three-piece Trunnion Mounted Ball Valve Figure B.6—Welded-body Trunnion Mounted Ball Valve Figure B.7—Reduced-opening Swing Check Valve Figure B.8—Full-opening Swing Check Valve Figure B.9—Single-plate Wafer-type Check Valve, Long Pattern Figure B.10—Typical Dual-plate Wafer-type Check Valve, Long Pattern Figure B.11—Single-plate Wafer-type Check Valve, Short Pattern Figure B.12—Axial Flow Check Valve Figure B.13—Piston Check Valve Figure B.14—Floating Ball Valve Figure F.1—Thermocouple Location—Rectangular Furnace (Working Zone) Figure F.2—Thermocouple Locations—Cylindrical Furnace (Working Zone) Figure K.1—Block and Bleed—Type A Figure K.2—Block and Bleed—Type B Figure K.3—Double Block and Bleed—Type A Figure K.4—Double Block and Bleed—Type B Figure K.5—Double Isolation and Bleed—Type A Figure K.6—Double Isolation and Bleed—Type B Figure L.1—Raised Face Figure L.2—Ring Type Joint or Raised Face Ring Type Joint Figure L.3—Weld End Figure L.4—Pipe Pup Weld Ends Tables Table 1—Minimum Bore for Full-opening Valves Table 2—Thread/Pipe Sizes for Drains Table 3—Minimum V-notch Impact Requirements (Full-size Specimen) Table 4—Minimum Duration of Stem Backseat Tests Table 5—Minimum Duration of Hydrostatic Shell Tests Table 6—Minimum Duration of Seat Tests Table 7—Valve Marking Table 8—Minimum Facility Requirements Table C.1—Gate Valves—Face-to-face (A) and End-to-end (B and C) Dimensions Table C.2—Plug Valves—Face-to-face (A) and End-to-end (B and C) Dimensions Table C.3—Ball Valves—Face-to-face (A) and End-to-end (B and C ) Dimensions Table C.4—Check Valves, Full-opening and Reduced Types—Face-to-face (A) and End-to-end (B and C ) Dimensions Table C.5—Single- and Dual-plate, Long- and Short-pattern, Wafer-type Check Valves— Face-to-face Dimensions Table D.1—Valve Travel Stops Table H.1—Minimum Duration of Pneumatic Shell and Seat Tests Table J.1—NDE Requirements Table J.2—Extent, Method, and Acceptance Criteria of NDE/Item Examination Code Table J.3—Additional Pressure Testing Requirements Table J.4—Documentation Requirements Table K.1—Isolation Valve Types Table O.1—Valve Datasheet
API 6D 2014 Download
API 6D version 24 - 2014 specification for pipeline and piping valves.pdf
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