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文檔簡(jiǎn)介

BS1702:1950

Incorporating

BRITISHSTANDARD

AmendmentNo.1

Specificationfor

Mildsteeldrums

(HeavyDuty—Fixed

Ends)

1

BS1702:1950

Co-operatingorganizations

ThePackagingStandardsCommittee,underwhosesupervisionthisBritish

Standardwasprepared,consistsofrepresentativesfromthefollowing

Governmentdepartmentsandscientificandindustrialorganizations:—

AssociationofBritishChemicalManufacturers*

AssociationofBritishPharmaceuticalIndustry

AssociationofSteelDrumManufacturers*

BoardofTrade*

FoodManufacturers’Federation*

GlassManufacturers’Federation

IndustrialManagementResearchAssociation

InstituteofPackaging

BritishCartonAssociation

InstitutionofProductionEngineers

NationalFederationofBoxandPackingCase

Manufacturers

BritishPaperBagFederation

BritishPaperBoxFederation

BritishRailways,TheRailwayExecutive*

BritishTinBoxManufacturers’Federation*

CollapsibleTubeManufacturers’Federation

Co-operativeWholesaleSocietyLtd.

CottonBagManufacturers’Association

CrownAgentsfortheColonies

NationalFederationofEmployersofCoopersin

theUnitedKingdom

NationalFederationofGrocers’andProvision

Dealers’Associations

NationalPaintFederation*

Printing,PackagingandAlliedTrades

ResearchAssociation

EnvelopeMakers’andManufacturing

Stationers’Association

SocietyofBritishPaintManufacturersLtd.*

FibreboardPackingCaseManufacturers’

Association

TheGovernmentdepartmentsandscientificandindustrialorganizations

markedwithanasteriskintheabovelist,togetherwiththefollowing,were

directlyrepresentedonthecommitteeentrustedwiththepreparationofthis

BritishStandard:—

Admiralty

GalvanizedHollow-wareOrganization

MinistryofDefence(StandardizationofDrums

andMetalContainersSub-Committeeof

andJointNon-warlikeStores

StandardizationCommittee)

MinistryofFood

AirMinistry

AssociationofBritishInsecticide

Manufacturers

AssociationofBritishSheepandCattleDip

Manufacturers

BakersSundriesDefenceCommittee

BritishDisinfectantManufacturers’

Association

MinistryofLabourandNationalService

(FactoryDepartment)

MinistryofSupply

BritishPlasticsFederation

ClosureManufacturers’Association

CouncilofBritishManufacturersofPetroleum

Equipment

MinistryofTransport

OilCompaniesMaterialsCommittee.

ThisBritishStandard,having

beenapprovedbythe

PackagingStandards

Committee,waspublished

undertheauthorityofthe

GeneralCouncilon

30December1950

Amendmentsissuedsincepublication

?BSI11-1999

Amd.No.

5226

Dateofissue

May1964

Comments

ThisBritishStandardfirst

publishedin1950supersedes:

BS670Firstpublished

April1936

Indicatedbyasidelineinthemargin

BS829Firstpublished

February1939

ISBN058001598X

2

BS1702:1950

Contents

Page

Co-operatingorganizations

Foreword

Insidefrontcover

ii

1

1

1

1

2

2

2

3

3

3

4

4

4

6

2

7

1

2

3

Scope

Materials(body,ends,hoopsandbands)

Constructionandworkmanship

Reinforcement

4

5

6

7

Size,typeandclass

Dimensions,tolerancesandullage

Closures

8

Finish

9

Cleanliness

10

11

12

13

Testing

Marking

Inspection

Class5Drum

AppendixVapourpressuredetermination

Figure1—Reinforcement

Figure2—Pressuretestapparatus

Table1—DimensionsofBritishStandardweldedmild

steeldrums(heavyduty—fixedends)

5

i

?BSI11-1999

3

BS1702:1950

Foreword

ThisBritishStandardrequiresreferencetothefollowingstandard:—

BS192,B.S.W.andB.S.F.open-endedcarbonsteelspanners.

ThisBritishStandardsupersedesBS670:1936,“Weldedmildsteeldrums”and

BS829:1939,“Mildsteeldrumsforinflammableliquids,”andisthefirstofanew

seriesofBritishStandardsformetaldrums.

BS670wasoriginallypreparedatthejointrequestoftheAssociationofBritish

ChemicalManufacturersandtheBritishChemicalPlantManufacturers’

Association.Itcovereddrumsforliquidswhichdonotflashbelow73°F.(22.7°C.)

ordevelopavapourpressureofmorethan20lb/sq.in.absolute

below45°C.(113°F.)andincludedprovisionsforcorrosiveandheavyliquids.

ThepreparationofBS829wasundertakenattherequestofthesametwo

organizationsaswellasthepetroleumindustry.Thestandardcovereddrumsfor

mostinflammableliquidsnotcompletelymisciblewithwaterandflashing

below73°F.whentestedinaccordancewiththerequirementsofthePetroleum

(Consolidation)Act,1928,andrepresentedanadvanceinthetechniqueof

transportingpetroleumproductsofaninflammablenature.Asaresultof

extensivetestscarriedoutbytherailwaysandtheoilcompaniesitwasfound

possibletostandardizelighterdrumsthanthosepreviouslyinuse.

Inarrivingattherequirementsfortheconstructionalstrengthofthedrumthe

conditionsoftransportnormallyassociatedwithreturnablepackagesweretaken

intoconsideration.

Thepresentrevisionandamalgamationofthesetwostandardshasbecome

necessarybecauseofademandfromusersthatawiderrangeofdrumsshouldbe

specified,andthatitsdetailsshouldbesimplified.

Inviewofthealternativemethodsofconstructionfrequentlyusedfordrums

havingbodiesthinnerthan18B.G.,suchdrumsareomittedfromthestandard.

Itispointedoutthat,althoughcompliancewiththisBritishStandardwillensure

satisfactorydrums,thecontinuanceoftheirserviceabilitywilldependon

systematicandperiodicinspectionandmaintenance.

ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofa

contract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.

CompliancewithaBritishStandarddoesnotofitselfconferimmunity

fromlegalobligations.

Summaryofpages

Thisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,

pages1to8,aninsidebackcoverandabackcover.

Thisstandardhasbeenupdated(seecopyrightdate)andmayhavehad

amendmentsincorporated.Thiswillbeindicatedintheamendmenttableonthe

insidefrontcover.

ii

?BSI11-1999

4

BS1702:1950

1Scope

ThisBritishStandardcoversheavydutyweldedmildsteeldrumswithfixedends,withcapacities

from5–90imperialgal.Itdoesnotapplytothespecialdrumsrequiredforthestorageandconveyanceof

thefollowingliquids:—

carbondisulphide1)

anyliquidnotcomplyingwiththepressuretestdescribedintheAppendix.

Thestandardalsocoversthe44imperialgallondrumusedbythepetroleumindustry.

2Materials(body,ends,hoopsandbands)

a)Quality.Thedrumsshallbemadefromthoroughlyannealedgoodcommercialqualitylowcarbonmild

steelsheets.Endbandsandrollinghoopsshallbemadeoflowcarbonsteelofgoodweldingquality.

b)Thickness.Thethicknessofthesheetmetalusedforthebodyandtheendofthedrumsshallconform

tothedimensionsgiveninTable1.Thepermissiblevariationineachgaugeshallbeasspecifiedin

BS1449“Steelplate,sheetandstrip”.

3Constructionandworkmanship

a)Body.Thebodyofthedrumsshallbemadefromasinglesheetofmetal.

b)Ends.Theends,afterbeingflangedtotheappropriatedepth,shallbeagoodfitinthebodyofthe

drum.

c)Welding.Alldrumsshallbeweldedbyasuitableweldingprocess.

d)Rollinghoopsandbeads.Drumsunder20imperialgal.innominalcapacityshallnormallybe

suppliedwithaplainbody,butifrequiredbythepurchasertworollinghoops,notlessthan*in.deep,

shallbepressedoutfromthebodyofthedrum.

Roundthebodyofdrumsof20imperialgal.andovernominalcapacityshallbefittedtwo1"in.×1in.

“I”sectionmildsteelrollinghoops,weighing2lb/ft,orwhereagreedbetweenmanufacturerand

customerthereshallbepressedoutfromthebodyofthedrumtworollinghoopsnotlessthan#in

deep.The“I”sectionmildsteelrollinghoopsshallbeshrunkonor,whererequired,securedbymeansof

asmallbeadformedinthebodyofthedrumoneachsideoftherollinghoop.

NOTE

Thelattermethodisnotrecommendedforgalvanizeddrums.

e)Reinforcement.Thecircumferentialjunctionofthebodyandendsshallbereinforcedwithmildsteel

bandsofeitherlippedorconvexfeatheredgesection,asspecifiedinClause4(seeFigure1).

f)Closures.Thedrumsshallbefittedwithscrewbungs,flangesandwashersasspecifiedinClause7.

4Reinforcement

Thecircumferentialseamateachendofthedrumshallbestrengthenedbyeitherlippedorconvexfeather

edgesectionbands,madefrommildsteelbarsofthetypeanddimensionsshownbelow:—

Drumsunder20imperialgal.nominalcapacity

Lippedsectionexternalbands

or

1#in.×)in.×*in.asTypeA.

Convexsectionexternalbands

1in.×!in.

asTypeC.

Drums20imperialgal.nominalcapacityandover

Lippedsectionexternalbands

or

1#in.×)in.×*in.asTypeA.

Convexsectionexternalbands

Convexsectioninternalbands

1"in.×)in.

1in.×!in.

ü

asTypeB.

y

t

WhenTypeAconstructionisusedthebodyandendsofthedrumshallbeweldedtogetherbyasuitable

processandtheexternallippedsectionbandshrunkintoposition.

WhenTypeBorCconstructionisusedthebody,endsandconvexsectionbandsshallbeweldedtogether.

1)TheconstructionofdrumsforcarbondisulphideisspecifiedinStatutoryRulesandOrders1935,No.283,1stSchedule.

1

?BSI11-1999

5

BS1702:1950

Figure1—Reinforcement

5Size,typeandclass

Drumsshallbedesignatedbytheappropriatenominalcapacity,typeandclassshowninTable1.

6Dimensions,tolerancesandullage

a)Dimensions.ThedrumsshallconformtothedimensionsgiveninTable1,subjecttothetolerances

specifiedinClause6b).Thesedimensionsprovideforanullageofnotlessthan5percent

(e.g.a50imperialgal.drumwouldhavea52"imperialgal.watercapacity).

NOTE

Ifanintermediatecapacityorlargerullageisrequired,thediametershallbethestandarddiameterofthedrumofthe

nexthigher,orlower,capacity,asappropriate.Thelengthshallbesuchastoprovidetherequiredcapacityinconjunctionwith

thisdiameter.Thegaugeofmetalforthebodyandendsshallbethatgivenforthenextlargerstandardsizeofdrumofthe

appropriateclass.

b)Tolerances.Thetolerancesoninternaldiameterandexternallengthshallbe±(in.

7Closures

Drumsshallbeprovidedwithbungsandflangesmadefromgoodweldingqualitymildsteeldropforgings.

Theheadsofthebungsshallbehexagonaltoallowofremovalbymeansofaspanner,andshallhavea

recesstoallowofremovalbymeansofakey.

Theflangeshallbecontinuouslyweldedarounditsouteredgetothedrumandshallnotprojectintothe

interior.

Theundersideoftheheadsofthebungsandthetopfaceoftheflangesshallbemachinedsurfacesandthey

shallbesquaretothethreads.

Sealingholesshallbeprovidedinthebungsandinlugsontheflangestopermittheclosuretobesealed

bymeansofwireandmetalseals.

2

?BSI11-1999

6

BS1702:1950

Eachdrumshallbefittedwithalargebungandflange,screwed2!in.B.S.F.thread,6threadsperinch,

andasmallbungandflange,screwed#in.B.S.P.thread,14threadsperinch,conformingtothefollowing

dimensions:—

Dimensionsofbungsandflanges

Bungs

2!in.B.S.F

#in.B.S.P.

in.

in.

Widthacrossflatsofhexagonalhead

Minimumthicknessofhead

a

2.76

0.25

1.67

0.25

Lengthofshankmeasuredfromunderhead0.625

Recessforbungkey:

0.625

Widthacrossthesquare

Depth

0.875

0.625

0.500

0.375

Flanges:

Overalldiameter

Overalldiameterofmachinedface

Minimumlengthofthread

3.500

2.750

0.500

2.375

1.500

0.375

aThemanufacturingtolerancesofthesedimensionsshallbeminus,soastopermittheuseof

BritishStandardspannersspecifiedinBS192,“B.S.W.andB.S.F.open-endedcarbonsteel

spanners.”

NOTE

Althoughtheclosuresspecifiedinthisclausearestandard,itisrecognizedthatthereareotherequallyeffectivemethodsof

closure,andtheiruseisnotnecessarilyprecluded.Attentionisdrawn,however,tothenecessityofascertainingthattheclosuresare

acceptabletotheappropriatetransportauthorities.

Drumsunder20imperialgal.nominalcapacity.Thebungsandflangesfittedtothesedrumsshallbe

placedinoneendofthedrum,eachclosetothechimbanddiametricallyopposedtoeachother.

Drums20imperialgal.nominalcapacityandover.Thebungsandflangesmaybefittedinoneendofthe

drumasabove,orthelargebungandflangemaybefittedonthebodyofthedrumbetweentherolling

hoops,andthesmallbungandflangeinoneendnearthechimbanddiametricallyopposedtothelarge

bungandflangeinthebodyofthedrum.

Theclosuresshallbecompletedwithwashersmadeofamaterialsuitableforusewiththeliquidtobe

packedinthedrum.

Theclosures,whenfittedintheendorwhenfittedinthebodyofthedrum,shallnotprojectabovethe

chimborrollinghoops.

The#in.fittingsmaybeomittedwhennotrequired.

8Finish

Thepurchasershallspecifyinhisinquiryandorderthenatureoftheinternalandexternalfinishrequired.

9Cleanliness

Thedrums,asdelivered,shallbethoroughlyclean,andshallbefreefromalltracesofrust,loosescaleand

otherforeignmatter.

10Testing

a)Pressuretest.Thedrumsshallbetestedandshallwithstandwithoutleakageanairpressuretest

2)

of10lb/sq.in.underwater.

b)Droptest.Ifadroptestisrequiredforspecialpurposesthedrumshallbecapableofpassingthe

followingtest,withoutleakage:—

Thedrum,filledwithwaterto98percentofitsnominalcapacity,shallbehelddiagonallyand

droppedfromaheightof4ft.6in.sothat,withthedrumatthesameslant,thechimbhitsasolid,

level,concreteorbricksurface.

2)Attentionisdrawntotheneedfortakingadequateprecautionsagainsttherisksthatmaybeinvolvedintestingwith

compressedair.

3

?BSI11-1999

7

BS1702:1950

Thecostofthedrumandthetestshallbebornebythepurchaser.

11Marking

Whenspecifiedbythepurchaserthedrumshallhavethefollowingmarksembossedononeend,intypeof

asizeappropriatetothegauge,butinnocaseexceeding2in.inheight:—

a)Themanufacturer’sidentificationmark.

b)ThenumberofthisBritishStandard,andclassofdrum,e.g.“BS1702/”3)

c)Thegaugeofthematerialofthebody,thecapacity,andtheyearofmanufacture,inthefollowing

manner:—

14

50

50

(i.e.adrumwitha14B.G.body,having50imperialgal.capacity,madein1950.)

12Inspection

Themanufacturershallgivethepurchaserorhisrepresentativepermissiontowitnessthetestingand

inspectionofthedrumsaftermanufacture.

13Class5drum

The44imperialgal.drumforthepetroleumindustry(knownasClass5)shallcomplyinallrespectswith

Clauses2–12inclusive,exceptthatitshallbeprovidedwithtwopressedoutrollinghoopsnotless

than#in.deep,inplaceof“I”sectionhoops,andwithadditionalstrengtheningcorrugationsifsoordered.

Thedimensionsofthedrumshallbe:

Capacity:

44imperialgal.

Internaldiameter:22in.

Externallength:

Type“A”

36(in.

35*in.

Type“B”

Thebodyandendsshallbeof14B.G.steel.

3)NOTE

Attentionisdirectedtothefactthatthefollowingcombinationsofletters,amongothers,havebeenregisteredin

SouthAfricaasstandardizationmarks:—

B.S.I.

B.S.S.

B.E.S.

ThesemarksmaybeusedonlyongoodsforsaleinSouthAfricaundertheauthorityoftheSouthAfricanBureauofStandards.

InformationregardingtheconditionsunderwhichtheuseofthesemarkswillbeauthorizedbytheSouthAfricanBureauofStandards

maybeobtainedonapplicationtotheDirectoroftheBritishStandardsInstitution,24/28VictoriaStreet,London,S.W.1.

4

?BSI11-1999

8

BS1702:1950

Table1—DimensionsofBritishStandardweldedmildsteeldrums(heavyduty—fixedends)

Externallength

Thicknessofsteelsheet,B.G.a

Class2Class3

Nominal

capacity

Internal

diameter

Types

Type

Class1

Class4

“B”and

“A”

Body

Ends

Body

Ends

Body

Ends

Body

Ends

“C”

Imperial

gal.

in.

in.

in.

5

10

15

11

14

16

18!

22

24#

17#

21"

24!

18

18

18

16

16

16

16

16

16

14

14

14

14

14

14

12

12

12

12

12

12

10

10

10

20

25

30

18

20

20

26

26!

30#

25"

25#

30!

18

16

16

16

14

14

16

15

15

14

14

14

14

14

14

12

12

12

12

12

12

10

10

10

35

40

45

20

23

23

35"

31

34"

35

30"

34

16

16

16

14

14

14

15

15

15

14

14

14

14

14

14

12

12

12

12

12

12

10

10

10

50

55

60

23

25

25

38

35#

38"

37"

35!

38

16

16

16

14

14

14

15

15

15

14

14

14

14

14

14

12

12

12

12

12

12

10

10

10

65

90

25

28

41"

45"

41

45

16

16

14

14

15

15

14

14

14

14

12

12

12

12

10

10

aBirminghamGauge,legalizedbyOrderinCouncil,16thJuly,1914.

Inchequivalentsofbirminghamgauges

BirminghamGauge

Inchequivalent

10

12

14

0.1250

0.0991

0.0785

15

16

18

0.0699

0.0625

0.0495

5

?BSI11-1999

9

BS1702:1950

AppendixVapourpressuredetermination(SeeClause1)

Descriptionofapparatus.TheapparatusshowninFigure2consistsofathick-walledglasstube,

about1mm.inboreand30in.inlength,turnedupatthelowerendandfusedtoawidertubeabout1in.

ininternaldiameterand6in.inlength,whichterminatesatitsupperendinatubeabout!in.inexternal

diameterand1in.inlength.Thisshort!in.tubeisfittedwithapieceofstoutrubbertubing,whichcovers

itentirelyandprojectsabout#in.aboveit.Therubbertubeisfirmlywiredontotheglasstubeintwoor

threeplaces.Ascaleofinchesdividedintotenthsisetchedonthelonglimboftheapparatus,andtheshort

limbhastwomarks,thelowerofwhichisatthesamelevelasthezeroofthescale,andtheuppermark

measures9/10thsofthecapacityofthetubeabovethelowermark.Apatternisinthecustodyofthe

RailwayClearingHouse.

Methodofmakingthetest.Fixtheapparatusupright,pourinmercuryuptothelowermarkonthebulb,

drawalittleairthroughthemercuryintothebulbtoensurethatthemercurycolumninthecapillarytube

isunbroken.Pourintheliquidtobetesteduntilitiswelluptotheupperline,placetheapparatus

verticallyinavesselofwater,cooleddownto50°F.(10.0°C.).Whentheliquidhasattainedthis

temperature,addalittlemore,ifnecessary,tobringtheleveltotheuppermark,thenfitastrongscrew

pinch-cockontotherubbertubingcloseuptotheglasstube,andscrewupveryfirmly.Removethe

apparatusfromthecoldwaterandplaceitinavesselofwaterheatedto100°F.(37.7°C.),takingcarethat

thelevelofthewateriswellabovethetopoftherubbertubing,sothatanyleakagemaybeobserved.

Maintainthewateratthistemperatureforhalfanhour,attheendofwhichtimeobservetheheightofthe

mercurycolumnbythescaleetchedonthecapillarytube.Theheightshouldnotexceed24in.

6

?BSI11-1999

10

BS1702:1950

Figure2—Pressuretestapparatus

7

?BSI11-1999

11

blank

8

12

BS1702:1950

BritishStandards

Thefollowingareavailableonapplication:—

YEARBOOK

IncludingsubjectindexandnumericallistofBritishStandards

SECTIONALLISTS.Gratis

Aircraftmaterialsandcomponents

Buildingmaterialsandcomponents

Chemicalengineering

Chemicals,fats,oils,scientificapparatus,etc.

Cinematographyandphotography

Coal,cokeandcollieryrequisites

Consumergoods

Dairying

Drawingpractice

Electricalengineering

Gasandsolidfuel

Glasswareincludingscientificapparatus

Illuminationandlightingfittings

Ironandsteel

Mechanicalengineering

Nomenclature,symbolsandabbreviations

Non-ferrousmetals

Packagingandcontainers

Paints,varnishes,paintmaterialsandcoloursforpaints

Paperandstationery

Personalsafetyequipment

Plastics

Publicworksandroadengineering

Rubber

Shipbuilding

Textilesandclothing

Universaldecimalclassification

?BSI11-1999

13

BS1702:1950

BSI—BritishStandardsInstitution

BSIistheindependentnationalbodyresponsibleforpreparing

BritishStandards.ItpresentstheUKviewonstandardsinEuropeandatthe

internationallevel.ItisincorporatedbyRoyalCharter.

Revisions

BritishStandardsareupdatedbyamendmentorrevision.Usersof

BritishStandardsshouldmakesurethattheypossessthelatestamendmentsor

editions.

ItistheconstantaimofBSItoimprovethequalityofourproductsandservices.

Wewouldbegratefulifanyonefindinganinaccuracyorambiguitywhileusi

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