T/CMA-RQ 001-2018 Active Group standards

T/CMA-RQ 001-2018 Diaphragm for diaphragm gas meters

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 001-2018

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: 24 pages

Scope

This standard specifies the terms and definitions, classification, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation, and storage of diaphragms for membrane gas meters (hereinafter referred to as diaphragms).
This standard applies to the selection, manufacture, and inspection of diaphragms and diaphragm materials. It is recommended that gas meter manufacturing enterprises, statutory metrological verification institutions, and rubber diaphragm manufacturers for membrane gas meters implement it.

Development Information

Word Count: 36 Thousand words Pages: 24 pages

Referenced Standards

GB/T 1690-2010 Rubber,vulcanized or thermoplastic—Determination of the effect of liquids GB/T 2941-2006 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 3512-2014 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 528-2009 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 5721-1993 General rules of identification, packaging, transportation and storage for rubber sealing products GB/T 6031-2017 Rubber,vulcanized or thermoplastic—Determination of hardness(hardness between 10 IRHD and 100 IRHD) GB/T 7759.1-2015 Rubber,vulcanized or thermoplastic—Determination of compression set—Part 1:At ambient or elevated temperatures GB/T 7759.2-2014 Rubber,vulcanized or thermoplastic—Determination of compression set—Part 2:At low temperatures GB/T 7762-2014 Rubber,vulcanized or thermoplastic—Resistance to ozone cracking—Static strain testing

Adopt standards

EN 549:1994

Related Standards

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GB/T 17286.1-1998 Replaced

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Publish Date: 1998-04-02

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