AGA XK0101 : 2001
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
12-01-2013
CHAPTER 1 - GENERAL INFORMATION
SECTION
1.1 Introduction
1.2 Glossary of Terms
1.3 Factors Affecting Purging
1.4 Supervision, Personnel, and Planning
1.5 Isolation
1.6 Sources of Ignition
1.7 Vent Pipes for Purging
CHAPTER 2 - CONTROL OF PURGING
2.1 Introduction
2.2 Cautionary Note
2.3 Limits of Flammability of Gas Mixtures
2.4 End-Points for Purging
2.5 Purging Facilities Into Service
2.6 Purging Facilities Out of Service
2.7 Holding Purge
2.8 Purging Progress Charts
CHAPTER 3 - GAS ANALYSIS AND INSTRUMENTATION
3.1 Introduction
3.2 Sampling
3.3 Gas Detection and Monitoring Instruments
3.4 Specific Gravity Determination
3.5 Use of Instruments for Verifying Purging and
End-Points
3.6 Moisture Measurement
3.7 Flow Meters
3.8 Testing of Gases Hazardous to Health
3.9 Detection and Measurement of Hazardous Gases
CHAPTER 4 - INERT PURGE MEDIA
4.1 Introduction
4.2 General
4.3 Commercial Nitrogen and Carbon Dioxide
4.4 Inert Gas Generators
4.5 Diesel Exhaust Engines
4.6 Steam
4.7 Water
CHAPTER 5 - NATURAL GAS TRANSMISSION AND DISTRIBUTION PIPE
5.1 Introduction
5.2 Safety Precautions
5.3 Typical Purging Procedures Direct Displacement of
Combustible Gas or Air
5.4 Inert Purge by Complete Filling with Inert Gas
5.5 Inert Purge Using Slug to Separate Media Being
Interchanged
CHAPTER 6 - LIQUEFIED NATURAL GAS FACILITIES
6.1 Introduction
6.2 LNG Metal Tanks
6.3 LNG Pre-stressed Concrete Tanks Purging into Service
6.4 LNG Plant Piping and Process Equipment
6.5 Shop Fabricated LNG Pressure Tanks
6.6 LNG Transports
CHAPTER 7 - LIQUEFIED PETROLEUM GAS FACILITIES
7.1 Introduction
7.2 Inerting Media
7.3 Description of LPG Facilities Requiring Purging
7.4 Vents, Piping, and Valves
7.5 Physical Properties of LP-Gases
7.6 Disposition of LPG Liquids and Vapor
7.7 Purging Piping and Equipment Out of Service
7.8 Purging Pressurized Storage Containers Out of Service
7.9 Purging Refrigerated Storage Containers Out of
Service
7.10 Purging LP Gas Piping and Equipment Into Service
7.11 Purging Pressurized Storage Containers Into Service
7.12 Purging Refrigerated or Semi-Refrigerated Containers
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