GB/T 13235.3-1995
Active
T/CMA-RQ 001-2018
Active
Group standards
T/CMA-RQ 001-2018 Diaphragm for diaphragm gas meters
T/CMA-RQ 001-2018 Diaphragm for diaphragm gas meters
Price:
$ 32.00
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
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
GB/T 6968-1997
Replaced
GB/T 6968-1997 Diaphragm gas meters
GB/T 17286.1-1998
Replaced
GB/T 17286.1-1998 Liquid hydrocarbons—Dynamic measurement—Proving systems for volumetric meters—Part 1:General principles
GB/T 17286.2-1998
Replaced
GB/T 17286.2-1998 Liquid hydrocarbons—Dynamic measurement—Proving systems for volumetric meters—Part 2:Pipe provers
GB/T 17286.3-1998
Replaced
GB/T 17286.3-1998 Liquid hydrocarbons—Dynamic measurement—proving systems for volumetric meters—Part 3:Pulse interpolation techniques
GB/T 17287-1998
Active