API MPMS 8 4-2017 Manual of Petroleum Measurement Standards Chapter 8 4 Standard Practice for Sampling and Handling of Fuels for Volatility Measurement (FOURTH .pdf

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1、Manual of Petroleum Measurement Standards Chapter 8.4Standard Practice for Sampling and Handling of Fuels for Volatility MeasurementFOURTH EDITION, DECEMBER 2017Special NotesAPI publications necessarily address problems of a general nature. With respect to particular circumstances, local,state, and

2、federal laws and regulations should be reviewed.Neither API nor any of APIs employees, subcontractors, consultants, committees, or other assignees make anywarranty or representation, either express or implied, with respect to the accuracy, completeness, or usefulness of theinformation contained here

3、in, or assume any liability or responsibility for any use, or the results of such use, of anyinformation or process disclosed in this publication. Neither API nor any of APIs employees, subcontractors,consultants, or other assignees represent that use of this publication would not infringe upon priv

4、ately owned rights.API publications may be used by anyone desiring to do so. Every effort has been made by the Institute to assure theaccuracy and reliability of the data contained in them; however, the Institute makes no representation, warranty, orguarantee in connection with this publication and

5、hereby expressly disclaims any liability or responsibility for loss ordamage resulting from its use or for the violation of any authorities having jurisdiction with which this publication mayconflict.API publications are published to facilitate the broad availability of proven, sound engineering and

6、 operatingpractices. These publications are not intended to obviate the need for applying sound engineering judgmentregarding when and where these publications should be utilized. The formulation and publication of API publicationsis not intended in any way to inhibit anyone from using any other pra

7、ctices.Classified areas may vary depending on the location, conditions, equipment, and substances involved in any givensituation. Users of this standard should consult with the appropriate authorities having jurisdiction.Users of this standard should not rely exclusively on the information contained

8、 in this document. Sound business,scientific, engineering, and safety judgment should be used in employing the information contained herein.Users of instructions should not rely exclusively on the information contained in this document. Sound business,scientific, engineering, and safety judgment sho

9、uld be used in employing the information contained herein.Where applicable, authorities having jurisdiction should be consulted.Work sites and equipment operations may differ. Users are solely responsible for assessing their specific equipmentand premises in determining the appropriateness of applyi

10、ng the instructions. At all times users should employ soundbusiness, scientific, engineering, and judgment safety when using this standard.API is not undertaking to meet the duties of employers, manufacturers, or suppliers to warn and properly train andequip their employees, and others exposed, conc

11、erning health and safety risks and precautions, nor undertaking theirobligations to comply with authorities having jurisdiction.Information concerning safety and health risks and proper precautions with respect to particular materials andconditions should be obtained from the employer, the manufactu

12、rer or supplier of that material, or the material safetydata sheet.All rights reserved. No part of this work may be reproduced, translated, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission from

13、the publisher. Contact the Publisher, API Publishing Services, 1220 L Street, NW, Washington, DC 20005.Copyright 2017 American Petroleum InstituteForewordNothing contained in any API publication is to be construed as granting any right, by implication or otherwise, for themanufacture, sale, or use o

14、f any method, apparatus, or product covered by letters patent. Neither should anythingcontained in the publication be construed as insuring anyone against liability for infringement of letters patents.Shall: As used in a standard, “shall” denotes a minimum requirement in order to conform to the spec

15、ification.Should: As used in a standard, “should” denotes a recommendation or that which is advised but not required in orderto conform to the specificationThis document was produced under API standardization procedures that ensure appropriate notification andparticipation in the developmental proce

16、ss and is designated as an API standard. Questions concerning theinterpretation of the content of this publication or comments and questions concerning the procedures under whichthis publication was developed should be directed in writing to the Director of Standards, American PetroleumInstitute, 12

17、20 L Street, NW, Washington, D.C. 20005. Requests for permission to reproduce or translate all or anypart of the material published herein should also be addressed to the director.Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least every five years. A one-timeextensi

18、on of up to two years may be added to this review cycle. Status of the publication can be ascertained from theAPI Standards Department, telephone (202) 682-8000. A catalog of API publications and materials is publishedannually and updated quarterly by API, 1220 L Street, NW, Washington, D.C. 20005.S

19、uggested revisions are invited and should be submitted to the Standards Department, API, 1220 L Street, NW,Washington, D.C. 20005, standardsapi.org.iiiContentsPage1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20、 . . . . . . . . . . . . . . . . . 12 Referenced Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Summary of Practice. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Significance and Use . . . . . . . . . . . . . . . . . . . . . . . . . .

22、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 General Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Specific Sampling Procedures . . . . . . . . . .

23、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Special Precautions and Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Keywords . . . . . . . . . . . . . . . . . .

24、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Summary of Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Figures1 N

25、ozzle Extension for Nozzle Sampling with 4 oz Bottle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Slotted Stand Pipe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26、33 Assembly for Bottle Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Tank Sampling Depths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27、. . . . . . . . 55 Assemblies for Tap Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Cooling Bath for Reid Equivalent Vapor Pressure Sampling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28、. . 67 Probes for Line Sampling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Spacer for Nozzle Sampling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29、. . . . . . . . . . 79 Extension for Nozzle Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 710 Assembly for Nozzle Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30、. . . . . . . . . . . . . . . 8Tables1 Summary of Gasoline Sampling Procedures and Applicability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2vDesignation: D5842 17Manual of Petroleum Measurement Standards (MPMS) Chapter 8.4Standard Practice forSampling and Handling of Fuels

31、 for Volatility Measurement1This standard is issued under the fixed designation D5842; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuper

32、script epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This practice covers procedures and equipment forobtaining, mixing, and handling representative samples ofvolatile fuels for the purpose of testing for compliance with thestandards set forth for volati

33、lity related measurements appli-cable to light fuels.1.2 The applicable dry vapor pressure equivalent range ofthis practice is 13 kPa to 110 kPa (2 psia to 16 psia).1.3 This practice is applicable to the sampling, mixing, andhandling of reformulated fuels including those containingoxygenates. This p

34、ractice is not applicable to crude oil. For thesampling of crude oil, refer to Practice D4057/API MPMSChapter 8.1, Practice D4177/API MPMS Chapter 8.2, andPractice D8009/API MPMS Chapter 8.5.1.4 The values stated in SI units are to be regarded as thestandard except in some cases where drawings may s

35、howinch-pound measurements, which are customary for that equip-ment.1.5 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety, health, and environmental practices and

36、 deter-mine the applicability of regulatory limitations prior to use.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-m

37、endations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D4057 Practice for Manual Sampling of Petroleum andPetroleum Products (API MPMS Chapter 8.1)D4177 Practice for Automatic Sampling of Petroleum andPetroleum Products

38、(API MPMS Chapter 8.2)D4953 Test Method for Vapor Pressure of Gasoline andGasoline-Oxygenate Blends (Dry Method)D5854 Practice for Mixing and Handling of Liquid Samplesof Petroleum and Petroleum Products (API MPMS Chap-ter 8.3)D7717 Practice for Preparing Volumetric Blends of Dena-tured Fuel Ethanol

39、 and Gasoline Blendstocks for Labora-tory AnalysisD8009 Practice for Manual Piston Cylinder Sampling forVolatile Crude Oils, Condensates, and Liquid PetroleumProducts (API MPMS Chapter 8.5)2.2 API Standards:3MPMS Chapter 8.1Practice for Manual Sampling of Pe-troleum and Petroleum Products (ASTM Prac

40、tice D4057)MPMS Chapter 8.2Practice for Automatic Sampling ofPetroleum and Petroleum Products (ASTM PracticeD4177)MPMS Chapter 8.3Practice for Mixing and Handling ofLiquid Samples of Petroleum and Petroleum Products(ASTM Practice D5854)MPMS Chapter 8.5Practice for Manual Piston CylinderSampling for

41、Volatile Crude Oils, Condensates, and Liq-uid Petroleum Products (ASTM Practice D8009)3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 bottom sample, na sample obtained from the mate-rial at the bottom of the tank, container, or line at its lowestpoint.1This practice is under t

42、he jurisdiction of ASTM Committee D02 on PetroleumProducts, Liquid Fuels, and Lubricants and the API Committee on PetroleumMeasurement, and is the direct responsibility of Subcommittee D02.02 /COMQ thejoint ASTM-API Committee on Hydrocarbon Measurement for Custody Transfer(Joint ASTM-API). This prac

43、tice has been approved by the sponsoring committeesand accepted by the Cooperating Societies in accordance with established proce-dures. This practice was issued as a joint ASTM-API standard in 1995.Current edition approved July 1, 2017. Published September 2017. Originallyapproved in 1995. Last pre

44、vious edition approved in 2014 as D5842 14. DOI:10.1520/D5842-17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM webs

45、ite.3Available from American Petroleum Institute (API), 1220 L. St., NW,Washington, DC 20005-4070, http:/www.api.org.*A Summary of Changes section appears at the end of this standard Jointly copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, USA

46、and the American Petroleum Institute (API), 1220 L Street NW, Washington DC 20005, USAThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides

47、and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.13.1.1.1 DiscussionIn practice the term bottom sample hasa variety of meanings. As a result, it is recommended that theexact sampling location (for example, 15 cm 6 in. from thebottom) should be sp

48、ecified when using this term.3.1.2 dead legs, nsections of pipe that, by design, do notallow for the flow of material through them.3.1.2.1 DiscussionDead legs are not suitable for obtainingrepresentative samples.3.1.3 dry vapor pressure equivalent (DVPE), nvalue cal-culated by a defined correlation

49、equation, that is expected to becomparable to the vapor pressure value obtained by TestMethod D4953, Procedure A.3.1.4 flush, vto fill the volume of the line or container withthe liquid and discard it. In the case of flushing a bottle, itshould be filled at least 80 % full.3.1.5 relief lines, nsections of pipe that lead to a pressure/vacuum relief valve.3.1.5.1 DiscussionRelief lines are not suitable for obtain-ing representative samples.3.1.6 rinse, vto thoroughly wet the interior surfaces of thesampling container with the material being sampled and thendiscard th

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