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API Spec 6D:2014
Specification for Pipelineand Piping Valves, Twenty-Fourth Edition, Includes Errata 1 (2014), Errata 2 (2014), Errata 3 (2015) and 4 (2015), and Addendum 1 (2015), Errata 5 (2015), Errata 6 (2015), Errata 7 (2016), Errata 8 (2016), and Addendum 2 (2016)
108 стр.
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Описание

This Specification specifies requirements and provides recommendations for the design, manufacturing, testing and documentation of ball, check, gate and plug valves for application in pipeline systems meeting

ISO 13623 or similar requirements for the petroleum and natural gas industries.

This Specification is not applicable to subsea pipeline valves, as they are covered by a separate Specification (API Spec 6DSS).

This Specification is not for application to valves for pressure ratings exceeding PN 420 (Class 2 500).

This edition of API Specification 6D is the identical national adoption of ISO 14313:2007, Petroleum and natural gas industries-Pipeline transportation systemes-Pipeline valves. This specification contains the API Monogram Annex as part of the U.S. national adoption.

This product is related to:

API Spec 6FC - Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007), Includes Errata 1, 2, 3, 4, 5, and 6 (2011) and Addenda 1, 2 (2011), 3 (2012)

Contents

API Foreword

Foreword

Introduction

1 Scope

2 Conformance

3 Normative references

4 Terms and definitions

5 Symbols and abbreviated terms

6 Valve types and configurations

7 Design

7.1 Design standards and calculations

7.2 Pressure and temperature rating

7.3 Sizes

7.4 Face-to-face and end-to-end dimensions

7.5 Valve operation

7.6 Pigging

7.7 Valve ends

7.8 Pressure relief

7.9 Bypasses, drains and vents

7.10 Injection points

7.11 Drain, vent and sealant lines

7.12 Drain, vent and sealant valves

7.13 Hand-wheels and wrenches — Levers

7.14 Locking devices

7.15 Position of the obturator

7.16 Position indicators

7.17 Travel stops

7.18 Actuator, operators and stem extensions

7.19 Lifting

7.20 Drive trains

7.21 Stem retention

7.22 Fire type-testing

7.23 Anti-static device

7.24 Design documents

7.25 Design document review

8 Materials

8.1 Material specification

8.2 Service compatibility

8.3 Forged parts

8.4 Composition limits

8.5 Toughness test requirements

8.6 Bolting

8.7 Sour service

8.8 Vent and drain connections

9 Welding

9.1 Qualifications

9.2 Impact testing

9.3 Hardness testing

9.4 Repair

10 Quality control

11 Pressure testing

12 Coating

13 Marking

14 Preparation for shipment

15 Documentation

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

Annex F (informative) API Monogram

Bibliography