GB/T 19205-2008 English PDF

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GB/T 19205-2008: Natural gas standard reference conditions
Status: Valid

GB/T 19205: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 19205-2008	279	Add to Cart	3 days	Natural gas standard reference conditions	Valid
GB/T 19205-2003	559	Add to Cart	4 days	Natural gas-standard reference conditions	Obsolete

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Basic data

Standard ID: GB/T 19205-2008 (GB/T19205-2008)
Description (Translated English): Natural gas standard reference conditions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E24
Classification of International Standard: 75.060
Word Count Estimation: 12,194
Date of Issue: 2008-12-31
Date of Implementation: 2009-06-01
Older Standard (superseded by this standard): GB/T 19205-2003
Quoted Standard: GB/T 11062-1998
Adopted Standard: ISO 13443-1996, NEQ
Regulation (derived from): National Standard Approval Announcement 2008 No.23 (Total No.136)
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 measurement and calculation of natural gas, while similar substitutes and gaseous fluid and gas pressure used, standard reference temperature and humidity conditions. Standard reference conditions is mainly used to measure the transfer, will be used to describe the qualities and quantities of natural gas physical properties unified into a common benchmark.

GB/T 19205-2008: Natural gas standard reference conditions

---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.
Natural gas standard reference conditions ICS 75.060 E24 National Standards of People's Republic of China Replacing GB/T 19205-2003 Gas Standard reference conditions (ISO 13443.1996, NEQ) Posted 2008-12-31 2009-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is the international standard ISO 13443.1996 "Gas --- Standard reference conditions" non-equivalent. This standard and ISO 13443.1996 is a major difference. --- The ISO 13443 standard using only the prescribed standard reference pressure, there is no standard in the standard reference temperature of A predetermined reference temperature is 20 ℃ (293.15K). --- The Standard Appendix A increases the volume of heat and other physical property values \u200b\u200bconverted from the 20.20 to 15.15 and converted to 0.0,20.20 25.0 converted to 18 at 20.20 conversion factor reference conditions corresponding property value. --- The standard Appendices B and D is given 101.325kPa, 20 ℃ conversion equations and calculations and other reference conditions shown Example, while ISO 13443 Appendix B and Appendix D is given 101.325kPa, 15 ℃ conversion equations and other reference conditions Calculation examples. This standard replaces GB/T 19205-2003 "gas standard reference conditions." This standard and GB/T 19205-2003 compared to the main changes are as follows. --- This standard and ISO 13443.1996 is consistent, increased humidity (saturation) standard reference conditions. For real dried Gas alone shows the standard reference conditions of use. --- This standard canceled the GB/T 19205-2003 references, this reference is GB/T 17291-1998 "liquid petroleum gas Standard reference conditions "body measurement, the corresponding also canceled GB/T 19205-2003 and related Notes 1. The Standard Annexes A and C are normative appendix, Appendix B, Appendix D and Appendix E is an informative annex. Note 1. ISO 13443 standard reference conditions specified is 101.325kPa, 15 ℃ (288.15K). Note 2. GB/T 11062-1998, the drying gas is defined as gas, water vapor mole fraction is less than 0.00005, but in this standard applications Need not be so strict, allows water vapor to the mole fraction of not more than 0.001. Note 3. When there is confusion may occur, it can be related to the reference conditions as part of the sign, together with the representatives of the physical quantity, rather than the single Bits together. E.g. Represented by Z (101.325kPa, 0 ℃) under "101.325kPa, 0 ℃" reference conditions of compression factor instead of Zn represented; With Vp (101.325kPa, 293.15K)/m3 expressed in "101.325kPa, 293.15K" reference conditions m3 gas metered volume without With mn3, m3 (n), nm3 or Nm3 expressed, it can not simply be expressed in m3. When confusion does not occur, similar to the Z (0) and Vp (20)/m3 of such abbreviations also acceptable. For Vp (101.325kPa, 15 ℃)/m3 this case, the Vp (ISO )/m3 said it may be the best representation. ......

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