DZ/T 0101.12-1994
Active
JJG 643-2024
Active
National Metrology and Inspection Regulations JJG
JJG 643-2024 Flow Standard Facilities by Master Meter Method
JJG 643-2024 Flow Standard Facilities by Master Meter Method
Price:
$ 57
Basic Information
Standard Code:
JJG 643-2024
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2024-02-07
Implement Date:
2024-08-07
Pages:
20 pages
Scope
This procedure applies to the initial verification, subsequent verification, and in-use inspection of standard flow metering devices other than critical flow Venturi nozzle flowmeters used as standard meters for gas flow measurement.
Development Information
Replace the following standards
Referenced Standards
JJG 633-2005 Gas Displacement Meters
JJG 633-2024 Displacement Gas Meters
JJG 667-2010 Liquid Positive Displacement Flowmeter
JJG 1029-2007 Vortex-shedding Flowmeter
JJG 1033-2007 Electromagnetic Flowmeters
JJG 1037-2008 Turbine Flowmeter
JJG 1038-2008 Goriolis Mass Flow Meters
JJF 1004-2004 Metrological Terms and Their Definitions for Flow Rate
GB 50251-2015 Code for design of gas transmission pipeline engineering
JJG 667-2025 Verification Regulation of Liquid Positive Displacement Flowmeters
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