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GB/T 30243-2013 English PDF

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US$349.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 30243-2013: Measurement of fluid now in closed conduits -- Specifications for V-cone pressure differential flow measuring device
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 30243-2013	349	Add to Cart	3 days	Measurement of fluid now in closed conduits -- Specifications for V-cone pressure differential flow measuring device	Valid

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Basic data

Standard ID: GB/T 30243-2013 (GB/T30243-2013)
Description (Translated English): Measurement of fluid now in closed conduits -- Specifications for V-cone pressure differential flow measuring device
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N12
Classification of International Standard: 17.120.10
Word Count Estimation: 15,199
Quoted Standard: GB/T 191; GB/T 2624.1-2006; GB/T 13384; GB/T 17611-1998; GB/T 22133-2008; ISO/TR 3313-1998
Regulation (derived from): National Standards Bulletin 2013 No. 27
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 terms, product classification, the basic parameters of the installation Measurement of fluid flow in a circular section of pipe filled with fluid flow measurement V-shaped inner cone throttle device (hereinafter referred to as

GB/T 30243-2013: Measurement of fluid now in closed conduits -- Specifications for V-cone pressure differential flow measuring device

---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.
Measurement of fluid now in closed conduits. Specifications for V-cone pressure differential flow measuring device ICS 17.120.10 N12 National Standards of People's Republic of China Enclosed measuring fluid flow in the pipeline V-Cone flow measurement throttling device Issued on. 2013-12-31 2014-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 measurement principle 2 Categories 5 and basic parameters 3 5.1 Categories 3 5.2 Basic parameters 3 General requirements for the measurement of 6 3 6.1 Properties of the fluid 3 6.2 Flow State 3 6.3 Installation 4 7 Technical requirements 4 7.1 Basic error limit and repeatability error 4 4 7.2 Compressive strength 7.3 Pressure loss 4 7.4 Appearance 4 Test Method 8 5 8.1 Test equipment and test conditions 5 8.2 Basic and repeatability errors 5 8.3 Compressive strength 6 8.4 Pressure loss 6 7 8.5 Appearance 9 7 inspection rules 9.1 factory inspection 7 9.2 Type inspection 7 10 signs, packaging and storage 7 10.1 mark 7 8 10.2 Packing Transport 10.3 8 10.4 Storage 8 Appendix A (informative) can be calculated expansion coefficient ε 9 Appendix B (Informative Appendix) V Cone minimum upstream and downstream straight pipe 10 References 11

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. The standard proposed by China Machinery Industry Federation. This standard by the national industrial process measurement and control Standardization Technical Committee (SAC/TC124) centralized. This standard by the Shanghai Institute of Industrial Automation Instrumentation, Automation, Tianjin University Department is responsible for drafting. Beijing Rip three yuan Instrument Company, Chongqing Sichuan Instrument Automation Instrumentation Co., Ltd. Traffic Branch, Dandong-Bo Electric (Group) Co., Ltd., Fujian on the Run Precision Instrument Co., Division Hefei large fine Instrument Co., Ltd., Jiangyin throttling device Co., Ltd., Kaifeng Instrument Co., Ltd., Shandong Dragon Instrument Co., Ltd., Sea Huaqiang Instrument Co., Ltd., Shanghai Kent Intelligent Instrument Co., Ltd., Shanghai Symphony East Instrument Co., Ltd., Tianjin billion automated meter ring Table Technology Co., Ltd. day letter Instrument Group Co., Ltd., Yuyao Yinhuan flow Instrument Co., Ltd., Zhejiang Di yuan Instrument Co., Ltd., China Instrument Industry Association Branch Automation Instrumentation participated in the drafting (in alphabetical order). The main drafters. Zhang Tao, Xu Ying, Li Minghua. Drafters of this standard to participate (in alphabetical order). Ge Jian, Guo Aihua, Guo Yonggang, HE Qin, Li Zhenzhong, Lin Qingping, Liu Jie, Liu Zhonghai, Lvning Jun Miao Yu-sheng, Shao thinking, Sun Xiangdong, Wu Liying, Yan Yongfeng, Zhaoren Yu, Zhu Jiashun, Jianguo. Enclosed measuring fluid flow in the pipeline V-Cone flow measurement throttling device

1 Scope

This standard specifies the measurement of fluid flow in a circular cross section of the pipe filled with fluid in the V-Cone flow measurement throttling device is installed (in Hereinafter referred to as V cone) terms, product classification, basic parameters, requirements, test methods, inspection rules, marking, packaging and storage. This standard applies to the measurement of single-phase flow V cone. This standard does not apply to the measurement of pulsating flow V cone.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 191 Packaging - Pictorial signs GB/T 2624.1-2006 with the differential pressure measuring device mounted to round pipe full pipe fluid flow - Part 1. General Principles and requirements GB/T 13384 mechanical and electrical products packaging General technical conditions GB/T 17611-1998 terminology and symbols enclosed measuring fluid flow in the pipeline GB/T 22133-2008 Measurement of fluid flow meter performance presentation method ISO /T R3313.1998 closed conduits impact (Measurement of fluid flow measuring pulsating flow of flow measuring instruments offluidflowinclosedconduits-Guidelinesontheeffectsofflowpulsationsonflow-measurementin- struments)

3 Terms and Definitions

GB/T 2624.1-2006, GB/T 17611-1998 and GB/T 22133-2008 define the following terms and definitions apply In this document. 3.1 V-Cone flow measurement throttling device V-conepressuredifferentialflowmeasuringdevice Throttle device by the measuring tube, V-shaped cone composition. In the measuring tube, V-shaped cone mounted coaxially fixed measuring tube in Heart axis. Consists of two V-shaped cone frustum cone having a circular base of the same. 3.2 Equivalent diameter ratio equivalentdiameterratio Diameter ratio of the inner annulus flow area of \u200b\u200bthe largest diameter of the cone V-cone equal to the area of \u200b\u200ba circle V cone measured upstream pipeline can table Shown as the formula (1). β = D2-d2 (1) ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 30243-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 30243-2013_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 30243-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 30243-2013_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.