T/CMA-RQ 002-2018 Active Group standards

T/CMA-RQ 002-2018 Gas meter valve cover and valve seat are membrane type

Publish Date: 2018-06-20 Implement Date: 2018-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CMA-RQ 002-2018

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Flow and level measurement instruments

ICS Name: Volume equipment and volume measurement

Publish Date: 2018-06-20

Implement Date: 2018-09-01

Pages: 16 pages

Scope

This standard specifies the terms and definitions, classification, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of diaphragm gas meter valve caps and valve seats (hereinafter referred to as valve caps and valve seats).
This standard applies to the manufacture and inspection of valve caps and valve seats made from phenolic molding materials. It is recommended that gas meter manufacturing enterprises, statutory metrological verification institutions, and production and operation enterprises of valve caps and valve seats for diaphragm gas meters implement it.

Development Information

Word Count: 20 Thousand words Pages: 16 pages

Referenced Standards

GB/T 1033.1-2008 Plastics—Methods for determining the density of non-cellular plastics—Part 1:Immersion method,liquid pyknometer method and titration method GB/T 1034-2008 Plastics—Determination of water absorption GB/T 1043.1-2008 Plastics—Determination of charpy impact properties—Part 1:Non-instrumented impact test GB/T 1634.2-2004 Plastics—Determination of temperature of deflection under load—Part 2:Plastics,ebonite and long-fibre-reinforced composites GB/T 1636-2008 Plastics—Determination of apparent density material that can be poured from a specified funnel GB/T 3398.1-2008 Plastics—Determination of hardness—Part 1:Ball indentation method GB/T 9341-2008 Plastics—Determination of flexural properties GB/T 16288-2008 Marking of plastics products ISO 2577:2007

Related Standards

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GB/T 6968-1997 Diaphragm gas meters

Publish Date: 1997-07-29

GB/T 17286.1-1998 Replaced

GB/T 17286.1-1998 Liquid hydrocarbons—Dynamic measurement—Proving systems for volumetric meters—Part 1:General principles

Publish Date: 1998-04-02

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Publish Date: 1998-04-02

GB/T 17286.3-1998 Replaced

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GB/T 17287-1998 Liquid hydrocarbons—Dynamic measurement—Statistical control of volumetric metering systems

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