API 6D:2002 pdf download.Petro leum and natural gas industries— Pipel ine transp ortation systems—Pipeline valves
1 Scope
This International Standard specifies requirements and gives recommendations for the design, manufacturing, testing and documentation of ball, check, gate and plug valves for application in pipeline systems meeting the requirements of ISO 1 3623 for the petroleum and natural gas industries. Valves for pressure ratings exceeding PN 420 (Class 2500) are not covered by this International Standard. Annex A of this International Standard provides guidelines to assist the purchaser with valve type selection and specification of specific requirements when ordering valves.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards.
NOTE Non-International Standards may be replaced, by agreement, with other recognized and equivalent national or
industry standards.
ISO 7-1 , Pipe threads where pressure-tight joints are made on the threads—Part 1: Dimensions, tolerances and designation.
ISO 1 48, Steel — Charpy impact test (V-notch).
ISO 228-1 , Pipe threads where pressure-tight joints are not made on the threads—Part 1: Dimensions,tolerances and designation.
ISO 228-2, Pipe threads where pressure-tight joints are not made on the threads—Part 2: Verification by means of limit gauges.
ISO 5208, Industrial valves—Pressure testing of valves.
ISO 7005-1 , Metallic flanges—Part 1: Steel flanges.
ISO 1 0474, Steel and steel products—Inspection documents.
ISO 1 0497, Testing of valves—Fire type-testing requirements.
ISO 1 3623, Petroleum and natural gas industries—Pipeline transportation systems.
ASME B1 .1 , Unified inch screw threads (UN and UNR thread form).
ASME B1 .20.1 , Pipe threads, General purpose (inch).
ASME B1 6.5, Pipe flanges and flanged fittings—NPS 1 / 2 through NPS 24.
ASME B1 6.1 0, Face-to-face and end-to-end dimensions of valves.
ASME B1 6.25:1 997, Buttwelding ends.
ASME B1 6.34:1 996, Valves—Flanged, threaded, and welding end.
ASME B1 6.47, Larger diameter steel flanges—NPS 26 through NPS 60.
ASME B31 .4:1 992, Liquid transportation systems for hydrocarbons, liquid petroleum gas, anhydrous ammonia, and alcohols.
ASME B31 .8:1 995, Gas transmission and distribution piping systems.
ASME Boiler and Pressure Vessel Code:1 998, Section V, Non destructive examination.
ASME Boiler and Pressure Vessel Code:1 998, Section VIII, Division 1 , Rules for construction of pressure vessels.
ASME Boiler and Pressure Vessel Code:1 998, Section VIII, Division 2, Alternative rules for construction of pressure vessels.
API 6D:2002 pdf download
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