JJG 640-2016 Active National Metrology and Inspection Regulations JJG

JJG 640-2016 Differential Pressure Flowmeters

JJG 640-2016 Differential Pressure Flowmeters

Publish Date: 2016-11-30 Implement Date: 2017-05-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 640-2016

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2016-11-30

Implement Date: 2017-05-30

Pages: 38 pages

Scope

This regulation applies to the initial verification, subsequent verification, and in-service inspection of standard orifice plates and differential pressure devices used in integrated differential pressure flowmeters and split differential pressure flowmeters.

Development Information

Word Count: 55 Thousand words Pages: 38 pages

Replace the following standards

JJG 640-1994 Verification Regulation of Differential Pressure Type Flowmeter

Referenced Standards

JJF 1001-2011 General Terms in Metrology and Their Definitions JJF 1004-2004 Metrological Terms and Their Definitions for Flow Rate GB/T 2624.1-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full—Part 1:General principles and requirements GB/T 2624.2-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full—Part 2:Orifice plates GB/T 2624.3-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full—Part 3:Nozzles and Venturi nozzles GB/T 2624.4-2006 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full—Part 4:Venturi tubes ISO 5167-1:2003 ISO 5167-2:2003 ISO 5167-3:2003 ISO 5167-4:2003 JJG 882-2004 Pressure Transmitter JJG 882-2019 Pressure Transmitters JJG 1003-2016 Flow Integration Meters

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