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API Specification 6A specifies requirements and gives recommendations for the performance, dimensional and functional interchangeability, design, materials, testing, inspection, welding, marking, handling, storing, shipment and purchasing, of wellhead and christmas tree equipment for use in the petroleum and natural gas industries.

This edition of API Spec 6A is the modified national adoption of ISO 10423:2003, Petroleum and natural gas industries-Drilling and production equipment-Wellhead and christmas tree equipment. An informative annex is included covering the requirements of the API Monogram Program for equipment covered in the specification.

Product Details

Edition:

19th

Published:

07/01/2004

Number of Pages:

443

File Size:

1 file , 5.9 MB

Product Code(s):

GX06A19, GX06A19, GX06A19

Note:

This product is unavailable in Russia, Cuba, Syria, North Korea, Ukraine, Belarus, Iran

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Please note that any addenda or errata may not be included in translated editions of this standard.

This document specifies requirements for the performance, dimensional and functional interchangeability, design, materials, testing, inspection, welding, marking, handling, storing, shipment, purchasing, repair, and remanufacture of wellhead and tree equipment for use in the petroleum and natural gas industries. This document does not apply to field use, field testing, or field repair of wellhead and Christmas tree equipment.

This document is applicable to the following specific equipment: wellhead equipment (integral, blind, and test flanges; ring gaskets; threaded connectors; tees and crosses; bullplugs; valve-removal plugs; standard and nonstandard top connectors; crossover connectors; other end connectors; adapter spools and spacer spools; gate, plug, and ball valves; actuated valves [manual and remote]; check valves [swing- and lift-type]; back-pressure valves; slip-type and mandrel-type casing and tubing hangers, casing and tubing heads [housings and adapters]; chokes [fixed, manually actuated, remotely actuated]; actuators [for valves and chokes]; surface safety valve (SSV) assemblies, valves prepared for actuators, and actuators; underwater safety valve [USV] assemblies, valves prepared for actuators, and actuators; boarding shutdown valve [BSDV] assemblies, valves prepared for actuators, and actuators; and tree assemblies).

This document defines service conditions in terms of pressure, temperature, and material class for the well-bore constituents, and operating conditions. This international standard establishes requirements for four product specification levels (PSL). These four PSL designations define different levels of technical quality requirements.

For more information, visit: https://www.api.org/products-and-services/standards/important-standards-announcements/spec-6a.

Product Details

Edition:

21st

Published:

10/31/2018

ANSI:

ANSI Approved

Number of Pages:

408

File Size:

1 file , 12 MB

Redline File Size:

2 files , 37 MB

Product Code(s):

GX06A21, GX06A21R, GX06A21, GX06A21, GX06A21R, GX06A21

Note:

This product is unavailable in Russia, Cuba, Syria, North Korea, Ukraine, Belarus, Iran

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In response to serious technical errors in the 18th edition, the committee voted in January 2003 to withdraw the 18th edition, and reissue the 17th edition. The issue was safety, and API had no choice but to take this action. The next edition of 6A will be called the 19th edition.

Contains errata and supplementary material.

This specification was formulated to provide for the availability of safe, dimensionally and functionally interchangeable wellhead and Christmas tree equipment. The technical content provides requirements for performance, design, materials, testing, inspection, welding, marking, handling, storing and shipping by the manufacturer. This specification does not apply to field use or field testing of wellhead and Christmas tree equipment. Critical components are those parts having requirements specified in this document.

Product Details

Edition:

17th

Published:

11/01/1999

Number of Pages:

274

File Size:

2 files , 2 MB

Product Code(s):

G06A17, G06A17, G06A17

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Product Details

Published:

01/01/1971

Number of Pages:

249

File Size:

1 file , 6.5 MB

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This product is unavailable in Cuba, Iran, North Korea, Syria

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Note: The redline document is a comparison of the original 2010 edition of Spec 6A to the 2004 edition, it is not inclusive of current addendas.This document specifies requirements and gives recommendations for the performance, dimensional and functional interchangeability, design, materials, testing, inspection, welding, marking, handling, storing, shipment, purchasing, repair and remanufacture of wellhead and christmas tree equipment for use in the petroleum and natural gas industries. This document does not apply to field use, field testing or field repair of wellhead and christmas tree equipment.

This document is applicable to the following specific equipment: wellhead equipment (casing head housings, casing head spools, tubing head spools, cross-over spools, multi-stage head housings and spools); connectors and fittings (cross-over connectors, tubing head adapters, top connectors, tees and crosses, fluid-sampling devices, adapter and spacer spools); casing and tubing hangers (mandrel hangers, slip hangers); valves and chokes (single valves, multiple valves, actuated valves, valves prepared for actuators, check valves, chokes, surface and underwater safety valves and actuators, back-pressure valves); loose connectors (weld neck connectors, blind connectors, threaded connectors, adapter and spacer connectors, bullplugs, valve-removal plugs); and other equipment (actuators, hubs, pressure boundary penetrations, ring gaskets, running and testing tools, wear bushings).

This document defines service conditions, in terms of pressure, temperature and material class for the well-bore constituents, and operating conditions. This International Standard establishes requirements for five product specification levels (PSL). These five PSL designations define different levels of technical quality requirements.

This edition of Spec 6A is the modified national adoption of ISO 10423:2009, Petroleum and natural gas industries-Drilling and production equipment-Wellhead and christmas tree equipment. This specification contains the API Monogram Annex as part of the U.S. national adoption.

Product Details

Edition:

20th

Published:

10/01/2010

ANSI:

ANSI Approved

Number of Pages:

454

File Size:

1 file , 5.4 MB

Redline File Size:

6 files , 14 MB

Product Code(s):

GX6A20, GX6A20, GX6A20, GX6A20, GX6A20, GX6A20, GX6A20, GX06A20

Note:

This product is unavailable in Cuba, Iran, North Korea, Syria