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SN/T 4885.2-2017 English PDF

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SN/T 4885.2-2017: Rules for the measurement survey by flow meters on import and export commodities - Part 2: Measurement of petroleum and liquid petroleum products by Coriolis meters
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
SN/T 4885.2-2017279 Add to Cart 3 days Rules for the measurement survey by flow meters on import and export commodities - Part 2: Measurement of petroleum and liquid petroleum products by Coriolis meters Valid

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Basic data

Standard ID: SN/T 4885.2-2017 (SN/T4885.2-2017)
Description (Translated English): Rules for the measurement survey by flow meters on import and export commodities - Part 2: Measurement of petroleum and liquid petroleum products by Coriolis meters
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: A53
Word Count Estimation: 12,161
Date of Issue: 2017-08-29
Date of Implementation: 2018-04-01
Regulation (derived from): State-Quality-Inspection-Accreditation (2017) 384
Issuing agency(ies): General Administration of Customs

SN/T 4885.2-2017: Rules for the measurement survey by flow meters on import and export commodities - Part 2: Measurement of petroleum and liquid petroleum products by Coriolis meters


---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.
(Import and export commodity flow meter - Specification - Part 2. Petroleum and liquid petroleum products Coriolis flowmeter weight) People's Republic of China entry and exit inspection and quarantine industry standards Import and export commodity flowmeter weighing procedures Part 2. Petroleum and liquid petroleum products Coriolis Flow meter weight exportcommodities-Part 2. Measurementofpetroleumandliquid Published on.2017-08-29 2018-04-01 implementation People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

SN/T 4885 "Import and Export Commodity Flowmeter Weighting Regulations" is divided into three parts. --- Part 1. Terminology; --- Part 2. Coriolis flowmeters for petroleum and liquid petroleum products; --- Part 3. Volumetric flowmeters for petroleum and liquid petroleum products. This part is the second part of SN/T 4885. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part is proposed and managed by the National Certification and Accreditation Administration. This section drafted by. Shandong Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this section. Wang Zhengqing, Liu Chongwei, Shi Qinggang, Wang Houzhen, Yan Shuhong, Sun Tunan, Peng Qing, Li Weitao. Import and export commodity flowmeter weighing procedures Part 2. Petroleum and liquid petroleum products Coriolis Flow meter weight

1 Scope

This part of SN/T 4885 specifies the procedures, requirements and procedures for the use of Coriolis flowmeters for the import and export of petroleum and liquid petroleum products. method. This section applies to the use of Coriolis flowmeters for the weighing of imported and exported petroleum and liquid petroleum products.

2 Normative references

The following documents are indispensable for the application of this document. 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 260 Determination of water content of petroleum products - Distillation method GB/T 1884 Determination of density of crude oil and liquid petroleum products - Densitometric method GB/T 1885 petroleum meter GB/T 4756 petroleum liquid manual sampling method GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 8927 Oil and liquid petroleum products temperature measurement manual method GB/T 8929 Determination of petroleum water content - Distillation method SH/T 0604 Determination of density of crude oil and petroleum products (U-vibration tube method) SN/T 2389.1 Rules for weighing of containers for import and export commodities - Part 1. Terminology SY/T 5317 automatic sampling method for petroleum liquid pipeline SY/T 6682 uses a Coriolis flowmeter to measure liquid hydrocarbon flow

3 Terms and definitions

The terms and definitions defined by SN/T 2389.1 and SY/T 6682 apply to this document.

4 basic requirements

4.1 Working condition requirements 4.1.1 Coriolis flowmeters used as weights for import and export of petroleum and liquid petroleum products and their verification devices shall be subject to the statutory metrological verification department. The test is qualified and used within the validity period. 4.1.2 The weighting work should be carried out together with the personnel of the flowmeter management unit. 4.1.3 The flowmeter management unit shall establish an effective flowmeter installation and use management specification, and shall be effective in setting the flowmeter site and control room. The monitoring system can monitor the operation of the flowmeter during the entire weighing process. The mass, volume and average density of the oil weighing process should be recorded throughout the process. Data such as degree, average temperature, and average pressure.
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