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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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