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GB/T 21451.4-2008: Petroleum and liquid petroleum products -- Measurement of level and temperature in storage tanks by automatic methods -- Part 4: Measurement of temperature in atmospheric tanks
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| GB/T 21451.4-2008 | English | 299 |
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Petroleum and liquid petroleum products -- Measurement of level and temperature in storage tanks by automatic methods -- Part 4: Measurement of temperature in atmospheric tanks
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GB/T 21451.4-2008
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Basic data | Standard ID | GB/T 21451.4-2008 (GB/T21451.4-2008) | | Description (Translated English) | Petroleum and liquid petroleum products -- Measurement of level and temperature in storage tanks by automatic methods -- Part 4: Measurement of temperature in atmospheric tanks | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E30 | | Classification of International Standard | 75.180.30 | | Word Count Estimation | 13,141 | | Date of Issue | 2008-02-13 | | Date of Implementation | 2008-09-01 | | Quoted Standard | GB/T 8927; ISO 4266-1; ISO 1998 | | Adopted Standard | ISO 4266-4-2002, MOD | | Regulation (derived from) | National Standard Approval Announcement 2008 No.2 (Total No.115) | | 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 selection of automatic transfer metering tank thermometer used, accuracy, installation and commissioning, calibration and verification methods. Apply pressure tank Reid vapor pressure of less than 100KPa temperature measurement of oil and liquid petroleum products. This standard does not apply to the storage tank temperature measurements inside caves or frozen. | GB/T 21451.4-2008: Petroleum and liquid petroleum products -- Measurement of level and temperature in storage tanks by automatic methods -- Part 4: Measurement of temperature in atmospheric tanks
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. Petroleum and liquid petroleum products Measurement of level and temperature in storage tanks by automatic methods Part 4. Measurement of temperature in atmospheric tanks
ICS 75.180.30
E30
National Standards of People's Republic of China
Petroleum and liquid petroleum product storage tank level and
Automatic temperature measurement
Part 4. atmospheric tanks temperature measurement
(ISO 4266-4.2002, MOD)
Posted 2008-02-13 2008-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 21451 "Petroleum and liquid petroleum product storage tank liquid level measurement and automatic temperature" is divided into six sections.
--- Part 1. pressure tank level measurement;
--- Part 2. tanker tanks level measurement;
--- Part 3. Pressure tank level measurement;
--- Part 4. atmospheric tanks temperature measurement;
--- Part 5. tanker compartment temperature measurement;
--- Part 6. Pressure tank temperature measurement.
This section GB/T Part of 421,451.
The partial modification of the use of ISO 4266-4.2002 "Petroleum and liquid petroleum product storage tanks --- automatic level and temperature measurement method ---
Part 4. atmospheric tanks Temperature Measurement "(in English).
This section according to ISO 4266-4.2002 redrafted.
To facilitate the practical use of ISO 4266-4.2002 has been modified as follows.
--- The normative references in "ISO 4268.2000 Petroleum and liquid petroleum products --- --- manual temperature measurement method" to
"GB/T 8927 Petroleum and liquid petroleum products - Temperature measurements - Manual methods";
--- Remove the 6.2 "(1,000 barrels)";
--- Standard "Trade/custody transfer metering" to "custody transfer measurement";
--- Remove the standard uncertainty of the value before the "±";
--- Taking into account the Chinese diet and concise language, made editorial changes.
This part of the National Standardization Technical Committee on products and lubricant oil (SAC/TC280) proposed.
This section is under the jurisdiction of China Ltd. Petrochemical Research Institute of Petroleum.
This section is responsible for drafting units. China Research Institute of Petroleum Corp. Petrochemical, China Petroleum & Chemical Corporation
Division of Beijing Yanshan Company refinery.
Participated in the drafting of this section. Beijing Great Wall Airlines Swiss Race Control Technology Co., Ltd., Beijing American Airlines Automation System Engineering Co., Ltd.
the company.
The main drafters of this section. Wei Jinxiang, off the right hung Dong breeze, Liu Jiabin.
This section first formulated.
Petroleum and liquid petroleum product storage tank level and
Automatic temperature measurement
Part 4. atmospheric tanks temperature measurement
1 Scope
This section provides for use in custody transfer measurement of automatic tank thermometers (ATT) selection, accuracy, installation, calibration and correction
Test methods for atmospheric tanks Reid Vapor Pressure less than 100kPa temperature measuring oil and liquid petroleum products.
This section does not apply to temperature measurement cave or freeze in the tank.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this section, however, encourage the parties to this part of the research agreement
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 8927 Petroleum and liquid petroleum products - Temperature measurements - Manual methods (GB/T 8927-2008, ISO 4268.2000, MOD)
ISO 4266-1 Petroleum and liquid petroleum product storage tanks --- automatic level and temperature measurement method --- Part 1. pressure tank
Level measurement 1)
1) ISO 4266-1 coming into national standards, after the transformation can be directly referenced.
ISO 1998 (all parts) --- petroleum industry terminology
3 Terms and Definitions
The ISO 1998 and established the following terms and definitions apply to this section.
3.1
Continuous measurement of the temperature inside the tank instruments.
Note. ATT, also known as automatic tank measurement system, usually including accurate temperature sensor, installed in the field for the transmitter signals transmitted and received
Receive/display unit.
3.2
Electronic sensors to measure the temperature of the liquid components in the tank through the principle of resistance varies with temperature.
3.3
Specific measuring point temperature of the tank with ATT point temperature components.
3.4
By a plurality (usually three or more) temperature element composition points to measure the temperature of the selected level of ATT.
Note. The reading should display unit submerged in the liquid in the container by the temperature sensing element to obtain not only the average temperature of the liquid can be calculated from them, but also to
In the liquid distribution tank temperature display.
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