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AGA: American Gas Association

AGA, the American Gas Association, is a nonprofit organization that develops and publishes standards for the natural gas industry. Headquartered in Washington, D.C., United States, AGA standards are used by 200 local energy companies, collectively providing natural gas to 91% of the United States market, serving approximately a fifth of all energy needs in the United States.

Below are AGA's best-selling standards. To find additional standards, please use the search bar above.

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AGA XQ0008

ANSI B109.1 - 2000 for Diaphram-Type Gas Displacement Meters (Under 500 Cubic Feet Per Hour Capacity)



This publication represents a basic standard for safe operation and substantial and durable construction for diaphragm-type gas displacement meters having a gas flow rating of under 500 cubic feet per hour (14.2m3/h) at 0.5 inch water column (125 Pa) differential pressure at standard conditions.


AGA XL1001

Classifications of Locations for Electrical Installations in Gas Utility Areas

The gas utility areas to which this publication applies are those in which flammable gases are produced, manufactured, stored, transmitted and distributed. (Includes erratas 1 and 2).


AGA XQ0010

ANSI B109.3 - 2000 for Rotary-Type Gas Displacement Meters



This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance for rotary-type gas displacement meters.


AGA XQ0011S

ANSI Standards Set - 2000

Including AGA XQ0008 ANSI B109.1 - 2000 for Diaphram-Type Gas Displacement Meters (Under 500 Cubic Feet Per Hour Capacity); AGA XQ0009 ANSI B109.2 - 2000 for Diaphram-Type Gas Displacement Meters (500 Cubic Feet Per Hour Capacity and Over); AGA XQ0010 ANSI B109.3 - 2000 for Rotary-Type Gas Displacement Meters; AGA XQ9802 ANSI B109.4 - 1998 for Self-Operated Diaphragm Type Natural Gas Service Regulators.


AGA XR0603

AGA Plastic Pipe Manual for Gas Service

AGA's 8th edition includes the latest information you need to know on plastic materials, piping components, and design as well as installation procedures covered under today's codes and standards for natural gas distribution piping systems.


AGA XQ0009

ANSI B109.2 - 2000 for Diaphram-Type Gas Displacement Meters (500 Cubic Feet Per Hour Capacity and Over)



This publication represents a basic standard for safe operation, and substantial and durable construction for diaphragm-type gas displacement meters having a gas flow rating of 500 cubic feet per hour capacity (14.6 m3/h) and over at 0.5 inch water column (125 Pa) differential pressure at standard conditions.


AGA XQ0684

Gas Measurement Manuals - Part 4: Gas Turbine Metering (Revised)



Provides information on the theory of operation, performance characteristics, installation and maintenance of turbine meters; describes the technique for flow computation; discusses density and rangeability; and provides a section on calibration testing.


AGA XQ1081

Gas Measurement Manuals - Part 1: General (Revised)



Contains a brief history of gas measurement, fundamental gas laws, metering, principles of measurement and glossary of terms.



AGA XQ8803

Gas Measurement Manuals - Part 9: Design of Meter and Regulator Stations (Revised)



Provides guidelines for the design of meter and regulatory stations, including station specifications, regulators and control valves. It also includes piping configuration, meter types, automation and preparation of natural gas for market.


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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