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This Standard covers the product requirements for primary diaphragm gas meters with a maximum flow rate in the range 6 m³h-1 to 160 m³h-1 that may be purchased for installation in domestic, commercial and industrial locations.

This standard contains guidance on the appropriate installation and usage of systems designed to convert gas volume readings to base conditions

The IGEM GM Series includes all the Gas Measurement standards.

This standard extensively details the requirements for the installation and usage of gas meters used in a non-domestic setting

IGEM/GM/PRS/3 +A: 2019 - Meter regulators for gas flow rates and inlet pressures

IGEM/GM/PRS/6 - Meter connectors

Applies to inlet pressures exceeding 38 bar and not exceeding 100 bar. These procedures give guidance on the design and usage of high accuracy meter installations of piped Natural Gas in a specific pressure range, such as compressor stations

This Specification is part of a series of Institution of Gas Engineers and Managers (IGEM) publications, providing a specification for gas meter and converter serial numbering and model identification formats.

This specification covers pre-assembled 6m3 h-1 low pressure meter installation kits

Medium pressure meter installation kits for flow rates not exceeding 6 m3 h-1

This standard covers the classification of dangerous areas, those in which explosive gas mixtures may be present, for gas metering equipment

This Standard provides requirements for the selection, installation, inspection and maintenance of electrical equipment connected to gas meter installations

IGEM/GM/PRS/1 - Meter installation fittings

This standard covers notices and labels for flow rate exceeding 6 m3h-1 and inlet pressure up to and not exceeding 38 bar

This standard covers the operation and maintenance for flow rate exceeding 6 m3h-1 and inlet pressure up to and not exceeding 38 bar

Flow rate exceeding 6m3 h-1 and inlet pressure up to and not exceeding 38 bar. This Standard covers the basic design principles and functions required of gas meter installations

This standard covers the fabrication, installation, testing and commissioning for flow rate exceeding 6 m3h-1 and inlet pressure up to and not exceeding 38 bar

This standard covers location, housings and compounds for flow rate exceeding 6 m3h-1 and inlet pressure up to and not exceeding 38 bar

IGEM/GM/PRS/33 - Meter regulators of nominal diameter 32 mm and not exceeding 150 mm and for inlet pressures not exceeding 75 mb

IGEM/GM/PRS/29 - Medium pressure two-stage meter regulators for gas flow rates