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GBZ33875-2017: Guidelines for the use of GB/T 2624-2006
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Guidelines for the use of GB/T 2624-2006
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GB/Z 33875-2017
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Basic data | Standard ID | GB/Z 33875-2017 (GB/Z33875-2017) | | Description (Translated English) | Guidelines for the use of GB/T 2624-2006 | | Sector / Industry | National Standard | | Classification of Chinese Standard | N12 | | Classification of International Standard | 17.120.10 | | Word Count Estimation | 58,521 | | Date of Issue | 2017-07-12 | | Date of Implementation | 2018-02-01 | | Quoted Standard | GB/T 2624.1-2006; GB/T 2624.2-2006; GB/T 2624.3-2006; GB/T 2624.4-2006; ISO 2186; ISO 4006; ISO/TR 3313-1998 | | Adopted Standard | ISO/TR 9464-2008, IDT | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the use of GB / T 2624-2006 (all parts) GB / T 2624-2006 is a circular pipe in the contraction caused by the pressure difference based on the measurement of national standards (see GB / T 2624.1-2006 5.1). It is based on the field of flow measurement theory and experimental work put forward a series of requirements and requirements. For more information on the scope, see Chapter 1 of GB / T 2624.1-2006. The definitions and symbols applicable to this standard are found in Chapter 3, Chapter 4 of GB / T 2624.1-2006. GB / T 2624.1-2006 and this standard do not discuss the details of the theoretical background, the relevant content can refer to other fluid flow on the textbook. Press GB / T | GBZ33875-2017: Guidelines for the use of GB/T 2624-2006---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Guidelines for the use of GB/T 2624-2006
ICS 17.120.10
N12
People's Republic of China national standardization of technical guidance documents
Guidance for use GB/T 2624-2006
(ISO /T R9464.2008, Guidelinesfortheuse of ISO 5167.2003, IDT)
2017-07-12 Posted
2018-02-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 The corresponding relationship between this guide and GB/T 2624 (all parts) 2
5 GB/T 2624-2006 (all parts) user guide 2
5.1 GB/T 2624.1-2006 Guidelines for use 2
Guide for use GB/T 2624.2-2006
Guide for use GB/T 2624.3-2006
Guide for use GB/T 2624.4-2006
6 General information relevant to the application of GB/T 2624-2006 (all parts) 20
6.1 Secondary device 20
6.2 Measurement of pressure and differential pressure 22
6.3 Temperature Measurement 25
6.4 Determination of density 29
6.5 Power and Electrical Equipment 33
Appendix A (informative) measurement and calculation principle 34
Appendix B (Informative) Calculation of Natural Gas Compressibility 46
Appendix C (informative) orifice assembly 47
References 55
Foreword
This instructional document has been drafted in accordance with the rules given in GB/T 1.1-2009.
This guidance document uses the translation method equivalent to ISO /T R9464.2008, "ISO 5167-2003, User Guide".
My documents related to the consistency of normative references in this document are as follows.
--- GB/T 17611-1998 Measurement of fluid flow in closed conduits Terms and symbols (ISO 4006.1991, IDT)
--- GB/T 26801-2011 Fluid flow in closed pipes Connection of pressure signal transmission between primary and secondary units
Act (ISO 2186.2007, IDT)
The following editorial changes have been made to this technical document.
--- Change the file name to "GB/T 2624-2006 User Guide".
This guidance document corrects editorial errors in ISO /T R9464.2008.
--- 6.3.5f) Refer to 6.1.9 of GB/T 2624.1-2006 to refer to its 7.1.7;
--- Figure 16, Figure C.7, Figure C.8, the orifice plus two vertical lines;
--- Figure A.1 ~ Figure A.4 flow chart, the criteria En plus absolute symbols, changed to | En |.
This guidance document is proposed by China Machinery Industry Federation.
This Guidance Document is governed by the National Technical Committee for Measurement, Control and Automation of Industrial Processes (SAC/TC124).
The guiding technical document is drafted by Shanghai Institute of Industrial Automation Instrumentation.
The guidance of technical documents to participate in the drafting unit. Beijing Ruipu ternary Instrument Co., Ltd., Fujian Run Precision Instrument Co., Ltd., Jiangsu
Provincial Quality and Technical Supervision gas flow measurement and testing center, Jiangyin City, throttling Plant Co., Ltd., Shanghai Weier Tai Industrial Automation Co., Ltd.
Company, Shenyang North Star Instrument Manufacturing Co., Ltd., Tianxin Instrument Group Co., Ltd., Tianjin billion Central Automation Instrumentation Technology Co., Ltd., Tianjin
Shinco Complete Instrument Co., Ltd., Zhejiang Cangnan Instrument Group Co., Ltd.
The main drafters of this technical guidance document Xiao Hong Lian, Li Minghua, Li Zhenzhong, Ge Jian, Shi Jianrong, Yan Yongfeng, Xu Zhen, Chen Ping, Tao Zhaojian,
Liu Yang, Xing Ligang, Zhang Sheng Italy.
Guidance for use GB/T 2624-2006
1 Scope
This Guidance Document gives guidance on the use of GB/T 2624-2006 (all parts). GB/T 2624-2006 is a circle
The pressure drop caused by the contraction in the shape pipe is based on the national standard for measuring the flow (see 5.1 of GB/T 2624.1-2006). It is based on traffic measurement
The amount of theory and experimental work carried out a series of rules and requirements.
The details of the range see GB/T 2624.1-2006 Chapter 1. This document applies to the definition and symbols see GB/T 2624.1-
2006 Chapter 3, Chapter 4.
GB/T 2624.1-2006 and this document do not discuss the theoretical background details, the content can refer to other related to the fluid flow of teaching
Book.
According to the provisions and requirements of GB/T 2624.1-2006, the uncertainty of the flow measurement can be achieved to about 1% of the calculated value of the flow.
Before selecting the most suitable type of differential pressure device for a particular application, consider each of the types given in GB/T 2624-2006 (Parts 2 to 4)
Limit the use of a device. Parts 2 to 4 also serve as a basis for preliminary design of the metrology system.
GB/T 2624-2006 (parts 2 to 4) gives the detailed design, manufacture and final inspection necessary information.
GB/T 2624.1-2006 does not include secondary devices, but Chapter 6 of this document made a normative reference to ISO 2186.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 2624.1-2006 Measurement of full pipe fluid flow using differential pressure devices installed in circular sectioned pipes - Part 1. General
Principles and requirements (ISO 5167-1.2003, IDT)
GB/T 2624.2-2006 Measurement of full pipe fluid flow using a differential pressure device installed in a circular sectioned pipe - Part 2 - Orifice
(ISO 5167-2.2003, IDT)
GB/T 2624.3-2006 Manifold fluid flow measurement using a differential pressure device mounted in a circular sectioned pipe - Part 3. Nozzle
And Venturi nozzle (ISO 5167-3.2003, IDT)
GB/T 2624.4-2006 Manifold fluid flow measurement using differential pressure devices installed in circular sectioned pipes - Part 4 Ventura
In tube (ISO 5167-4.2003, IDT)
ISO 2186 Measurement of fluid flow in closed conduits Connection of pressure signals between primary and secondary units (Fluid
flowinclosedconduits-Connectionsforpressuresignaltransmissionsbetweenprimaryandsecondary
elements
ISO 4006 closed pipe fluid flow measurement terms and symbols (Measurementoffluidflowinclosedcon-
duits-Vocabularyandsymbols)
ISO /T R3313.1998 Measurement of Fluid Flow in Closed Pipes Flow Pulse Effects on Flow Measuring Instruments (Meas-
urementoffluidflowinclosedconduits-Guidelinesontheffectsofflowpulsationsonflow-meas-
urementinstruments)
3 Terms and definitions
ISO 4006 defined terms and definitions apply to this document.
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