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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 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 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 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 XH0105

Fundamentals of Gas Combustion - Combined Manual & Workbook



Fundamentals manual has been combined with the workbook. Includes: History; Properties and General characteristics of Gases; Combustion of gas; flammability limits; Testing for CO; Design and operation of burners; burner orifices; venting and burner problems. Workbook questions are given after each chapter and answers are in the back of the book. A useful reference for vocational-technical schools, appliance service and repairman and utility employees. Sponsored by the Customer Service & Utilization Committee. Soft bound 131 pages.


AGA XQ0002

AGA Report No. 3, Orifice Metering of Natural Gas Part 2: Specification and Installation Requirements (2000)



Part 2 provides the specifications for construction and installation of orifice plates, meter tubes and associated fittings.


AGA XQ9802

ANSI B109.4 - 1998 for Self-Operated Diaphragm Type Natural Gas Service Regulators



A basic standard for the safe and reliable operation, and the substantial and durable construction of self-operated diaphragm type natural gas service regulators, for nominal pipe size of 1-1/4 inches and smaller with outlet pressure of 14 inch water column or less.


AGA Report No. 4A

Natural Gas Contract Measurement and Quality Clauses

This revised report provides technical information for use in tariffs or contracts, including checklists, that promotes the safety and reliability of gas transmission and distribution infrastructure while maximizing supply opportunities and minimizing potential end-use concerns.


AGA X01084

LNG Preventive Maintenance Guide



For LNG plant owners/operators, to develop and implement an effective preventive maintenance program for their facilities. It will help them determine the types and frequency of tests and inspections to be included. 120 pages. 1984.


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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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