BS 5153-1974 通.用铸铁止回阀

BRITISHSTANDARD

CONFIRMED

NOVEMBER1991

Specificationfor

Castironcheckvalvesforgeneralpurposes

UDC621.646.248:669.13

BS5153:1974

Incorporating

AmendmentNos.1,2and3

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BS5153:1974

Co-operatingorganizations

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TheMechanicalEngineeringIndustryStandardsCommittee,underwhosesupervisionthisBritishStandardwasprepared,consistsofrepresentativesfromthefollowingGovernmentdepartmentsandprofessionalandindustrialorganizations:

ThisBritishStandard,havingbeenapprovedbythe

MechanicalEngineering

IndustryStandardsCommittee,waspublishedunderthe

authorityoftheExecutiveBoardon

30September1974

©BSI05-1999

Firstpublished,asBS4090,December1966

Firstrevision,asBS5153,September1974

ThefollowingBSIreferencesrelatetotheworkonthis

standard:

CommitteereferenceMEE/81Draftforcomment72/34/38DC

ISBN0580083497

AssociatedOfficesTechnicalCommittee*AssociationofConsultingEngineers

AssociationofHydraulicEquipmentManufacturersLtd.

AssociationofMiningElectricalandMechanicalEngineers

BritishCompressedAirSociety*

BritishElectricalandAlliedManufacturers’Association

BritishGasCorporation*

BritishGearManufacturers’Association

BritishInternalCombustionEngineManufacturers’Association

BritishMechanicalEngineeringConfederation

BritishPumpManufacturers’AssociationBritishSteelCorporation

BritishSteelIndustry*

CrownAgentsforOverseaGovernmentsandAdministrations

DepartmentofEmployment(HMFactoryInspectorate)*

DepartmentoftheEnvironment*

DepartmentofIndustry—MechanicalEngineering

DepartmentofIndustry—National

EngineeringLaboratoryDepartmentofTrade

ElectricitySupplyIndustryinEnglandandWales*

EngineeringEquipmentUsers’Association*FederationofManufacturersofConstruction

EquipmentandCranes

InstitutionofGasEngineers*

InstitutionofHeatingandVentilating

Engineers*

InstitutionofMechanicalEngineers*InstitutionofPlantEngineers

InstitutionofProductionEngineers*LondonTransportExecutive

MachineToolTradesAssociationMinistryofDefence*

MinistryofDefence,ArmyDepartmentNationalCoalBoard

ProcessPlantAssociation

RailwayIndustryAssociationofGreatBritain

RoyalInstituteofBritishArchitects

TelecommunicationEngineeringandManufacturingAssociation

Theorganizationsmarkedwithanasteriskintheabovelist,togetherwiththefollowing,weredirectlyrepresentedonthecommitteeentrustedwiththe

preparationofthisBritishStandard:

AssociationofBronzeandBrassFounders

BritishChemicalEngineeringContractors’Association

BritishIndustrialMeasuringandControl

ApparatusManufacturers’AssociationBritishShipResearchAssociation

BritishValveManufacturers’Association

Ltd.

CBMPE

ChemicalIndustriesAssociationLtd.GreaterLondonCouncil

InstituteofBritishFoundrymen

InstituteofMarineEngineers

InstituteofQualityAssurance

InstitutionofChemicalEngineersInstitutionofCivilEngineers

InstitutionofMunicipalEngineersInstitutionofWaterEngineers

MetropolitanWaterBoard

NationalBrassfoundryAssociation

OilCompanies’MaterialsAssociationSocietyofBritishGasIndustries

WaterCompanies’Association

Amendmentsissuedsincepublication

Amd.No.

Dateofissue

Comments

2319

August1997

3927

June1982

6067

July1989

Indicatedbyasidelineinthemargin

©BSI05-1999i

BS5153:1974

Contents

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Page

Co-operatingorganizationsInsidefrontcoverForewordiiiSection1.General

1Scope1

2References1

3Terminologyanddefinitions1

4Types1

5Nominalsizes1

6Nominalpressure2

7Pressure/temperatureratings2Section2.Bodyends

8Flangedbodyends2

9Screwedbodyends3Section3.Designandmanufacture

10Bodies4

11Bodytappings5

12Bodytocoverconnection5

13Bolting5

14Seats5

15Disks5Section4.Materials

16Choiceofmaterials5

17Trim5Section5.Testingandinspection

18Productionpressuretesting8

19Testcertificate8

20Inspection8

21Witnessingoftests8

22Certificateofconformity8Sectionsix.Preparationfordespatch

23Aftertesting8

24Diskposition8

25Bodyends8Section7.Marking

26General8

27Bodymarkings9

28Identificationplatemarkings9

29Bodyoridentificationplatemarkings9

30Materialsymbols9

31Additionalmarkings9

32Omissionofmarkings10Section8.ValvesforuseinANSIflangedpipingsystems

33Requirements10Section9.Enquiryororderinformation

34Informationtobesupplied10AppendixACastironcheckvalvesforgeneralpurposeswithANSI

Class125flanges11

BS5153:1974

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Page

Table1—Pressure/temperatureratings2

Table2—Face-to-faceandcentre-to-facedimensions3

Table3—Minimumoutsidediametersofsealingfacesforparallel

threadedvalves4

Table4—Dimensionsofbodyendportsandseatbores4

Table5—Basicmaterials6

Table6—Tabledeleted7

Table7—DimensionsofANSIClass125flanges11

Table8—Pressure/temperatureratingsforClass125valves12

Table9—Testpressure(gauge)forClass125valves12

PublicationsreferredtoInsidebackcover

ii©BSI05-1999

BS5153:1974

©BSI05-1999iii

Foreword

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BS5153replacesBS4090,firstpublishedin1966.Thisrevision,preparedundertheauthorityoftheMechanicalEngineeringIndustryStandardsCommittee,isinmetricunits.Itisoneofaseriesofnewandrevisedstandardsinmetricunitsforgeneralpurposevalveswhichhaveanewseriesofconsecutivenumbers.

TherearenoInternationalorEuropeanStandardsinthisfieldbutaccounthasbeentakenofallrelevantproposalsunderconsiderationintheISOTechnical

CommitteeandCEN1)WorkingGroupconcernedwithgeneralpurposevalves.Forflangedvalves,thestandardisbasedontheuseofflangescomplyingwiththerequirementsofBS4504“Flangesandboltingforpipes,valvesandfittings.

Metricseries”but,bytheuseofAppendixA,theappropriatemodificationscanbemadewhenusingANSIClass125flanges.

ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.

CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.

Summaryofpages

Thisdocumentcomprisesafrontcover,aninsidefrontcover,pagesitoiv,pages1to12,aninsidebackcoverandabackcover.

Thisstandardhasbeenupdated(seecopyrightdate)andmayhavehad

amendmentsincorporated.Thiswillbeindicatedintheamendmenttableontheinsidefrontcover.

1)EuropeanCommitteeforStandardization.

ivblank

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©BSI05-19991

BS5153:1974

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Section1.General

1Scope

ThisBritishStandardspecifiesrequirementsforflangedandscrewedendcastironcheckvalves,copperalloyfaced,nickelalloyfaced,stainlesssteelfaced,resilientseated,orall-ironforgeneralpurposes.

Itcoversswingcheckvalvesofnominalpressure(PN)designationsof6bar2)to25barandliftcheckvalvesofnominalpressure(PN)designationsof10barto25bar.FlangedendvalvesareinaccordancewiththeappropriatetablesofBS4504fornominalsizes(DN)10to1000andscrewedendvalvescomplywiththerequirementsofBS21fornominalsizes½to6.However,whenvalvesarerequiredforuseinANSI

(BS1560)flangedsystems,referenceshouldbemadetoclause33andAppendixA.

Wherethereisanappropriateapplicationstandardorcodeofpracticeitistheresponsibilityofthe

purchasertoensurethatitsrequirementsarecompliedwith;forexample,attentionisdrawntoBS806andBS759-1.

2References

ThetitlesoftheBritishStandardsandinternationalpublicationsreferredtointhisstandardarelistedontheinsidebackcover.

3Terminologyanddefinitions

ForthepurposesofthisBritishStandardthefollowingdefinitionsapplyforflangedvalves:

face-to-facedimension

thedistancebetweenthetwoplanesperpendiculartothevalveaxislocatedattheextremitiesofthebodyendports

centre-to-facedimension

thedistancebetweentheplanelocatedattheextremityofeitherbodyendportandperpendiculartoitsaxisandtheotherbodyendportaxis

4Types

Valvesshallbeofoneofthefollowingtypes:

a)swing(notincludingtiltingdisktype)

straightpattern(forusewiththeaxisofthebodyendportshorizontalorvertical):

b)lift

1)straightpattern(forusewiththeaxisofthebodyendportshorizontal);

2)straightpattern(forusewiththeaxisofthebodyendportsvertical);

3)anglepattern(foruseinapplicationswheretheaxesofthebodyendportsareat90°).Whenswingcheckvalvesareusedinverticallines,theflowshallbeinanupwarddirection.

5Nominalsizes

5.1Forflangedendstherangesofnominalsizes(DN)shallbeasfollows:

a)Swing10,15,20,25,32,40,50,65,80,100,125,150,200,250,300,350,400,450,500,600,700,800,900,1000.

b)Lift10,15,20,25,32,40,50,65,80,100,125,150,200,250,300,350,400,450.

5.2Forscrewedendstherangeofnominalsizesshallbeasfollows:;,<,1,1:,1;,2;,3,4,5,63).

2)1bar=105N/m2=100kPa.

3)ThissizeisincludedforreplacementpurposeswithBS21threadsorforusewithotherthreadforms(see9.2).

BS5153:1974

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6Nominalpressure

Valvesshallbedesignatedbynominalpressure(PN),definedasthemaximumpermissiblegaugeworkingpressure(bar4))at20°C,asfollows:

PN6,PN10,PN16,andPN25.

7Pressure/temperatureratings

7.1Thevalvesspecifiedinthisstandardshallhavemaximumratingsforliquid,gasandsteamasdetailedinTable1.

7.2Restrictionsontemperaturemaybeplacedbythemanufactureronvalvesinaccordancewiththis

standardbyreasonofvalvetype,trimmaterialsorotherfactorsinwhichcasevalvesshallbemarkedwiththelimitingtemperature[seeclause28b)].Allvalves,however,shallbesuitableforcontinuoususeat

theirPNdesignationwithinthetemperaturerangeof–10°Cto65°C.

Table1—Pressure/temperatureratings

1

2

3

4

5

6

7

Nominal

pressurePN

Forflangedend

valvesonly:

BS4504table

number

Maximumpermissiblegaugeworkingpressuresattemperatures(°C)of:

–10to120150180200220

6

10

16

25

6/1110/1116/1125/11

bara

6

10

16

25

bara

5.69.214.823.0

bara

8.513.921.2

bara

8.013.020.0

bara

8.013.019.0

NOTEIntermediatevaluesmaybeobtainedbylinearinterpolation.a1bar=105N/m2=102kPa.

Section2.Bodyends

8Flangedbodyends

8.1FlangedimensionsshallcomplywiththerelevantrequirementsofBS4504.

8.2Flangesshallbeatrightanglestotheaxisoftheboreandconcentricwiththebore.Flangesshallbedrilledunlessotherwisespecifiedandboltholesshallbe“offcentres”.

8.3Theface-to-faceandcentre-to-facedimensionsshallbeasdetailedinTable2.

8.4Thetolerancesontheface-to-faceandcentre-to-facedimensionsdetailedinTable2shallbeasfollows:

Face-to-faceorcentre-to-facedimensions

Tolerance

mm

mm

Above0uptoandincluding200

±1

Above200uptoandincluding400

±2

Above400uptoandincluding600

±3

Above600uptoandincluding800

±4

Above800uptoandincluding1000

±5

Above1000uptoandincluding1600

±6

Above1600uptoandincluding2250

±8

4)1bar=105=102kPa.

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9Screwedbodyends

ScrewedbodyendsshallhavefemalethreadscomplyingwiththerequirementsofBS21eithertaperorparallelatthemanufacturer’soptionunlesstheparticularformisspecifiedinthepurchaseorder.

9.1Endfacesofparallelthreadedvalvesshallhaveasmoothfinishatrightanglestothethreadaxis.TheminimumoutsidediametersofsealingfacesshallbeinaccordancewithTable3.

9.2Otherformsofthreadmaybeprovidedasspecifiedbythepurchaser.

9.3Bodyendsshallbeofappropriateshapetofacilitatetightening.

Table2—Face-to-faceandcentre-to-facedimensions

1

2

3

4

5

6

7

8

9

10

Nominalsize

DN

Face-to-facedimensionsofstraightpatternvalvesfornominal

pressureof:

(swingtype)(lifttype)

PN6,PN10,PN16PN25PN10,PN16PN25

shortlongshortlong

Centre-to-facedimensionsof

anglepatternvalvesfornominal

pressureof:

(lifttype)

PN10,PN16PN25

shortlong

10

15

20

25

32

40

50

65

80

100

125

150

200

250

300

350

400

450

500

600

700

800

900

1000

mm

—

—

—

—

—

165

203

216

241

292

330

356

495

622

698

787

914

965

1067

1219

—

—

—

—

mm130130150160180200230290310350400480600730850980

11001200125014501650185020502250

mm130130150160180200230290310350400480600730850980

1100

1200

1250

—

—

—

—

—

mm

—

—

—

—

—

165

203

216

241

292

330

356

495

622

698

787

914

965

—

—

—

—

—

—

mm130130150160180200230290310350400480600730850980

11001200

—

—

—

—

—

—

mm130130150160180200230290310350400480600730850980

1100

1200

—

—

—

—

—

—

mm

—

—

—

—

—

(82)a(102)a(108)a(121)a146

165178248311350394457483

—

—

—

—

—

—

mm

85

90

95

100

105

115

125

145

155

175

200

225

275

325

375

425

475

500

—

—

—

—

—

—

mm

85

90

95

100

105

115

125

145

155

175

200

225

275

325

375

425

475

500

—

—

—

—

—

—

aThesevaluesforDN40toDN80arenotsuitableforusewithBS4504flangesandareincludedonlyforusewithANSIClass125flangeswhicharethesubjectofAppendixA.

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Table3—Minimumoutsidediameters

ofsealingfacesforparallelthreadedvalves

1

2

Threadnominalsize

Outsidediameterofsealingface(min.)

;<11:1;2

mm

26

32

39

49

55

68

NOTEThedimensionsgiveninTable3complywiththerequirementsofISO1179.

Section3.Designandmanufacture

10Bodies

10.1Bodyendports.Thebodyendportsshallbecircular.Table4givesapproximatevalues,forguidanceonly,fortheboredimensionsatthebodyendportsofflangedvalves.

10.2Seatbores.SeatboresshallbecircularandnotlessthanthedimensionsgiveninTable4butanylugsrequiredtofacilitatethefittingofseatringsmayintrudeintothebore.Inthecaseofliftcheckvalvestheboremaybereducedbytheminimumextentnecessarytopermittheuseofplugtypedisks,disks

guidedfrombeloworspecialproprietarydesigns.

10.3Flowwayarea.TheareaoftheflowwaybetweenthebodyendportsshallbenotlessthantheareaofacircleofwhichthediameteristheboredimensiongiveninTable4exceptthatthisareamaybereducedbynotmorethan15%forPN10andPN16“short”liftcheckvalves.

Table4—Dimensionsofbodyendportsandseatbores

1

2

3

4

NominalsizeDN

BoredimensionsforPNratingsof:

PN6andPN10PN16PN25

mm

mm

mm

10

10

10

10

15

15

15

15

20

20

20

20

25

25

25

25

32

32

32

32

40

40

40

40

50

50

50

50

65

65

65

65

80

80

80

80

100

100

100

100

125

125

125

125

150

150

150

150

200

200

200

200

250

250

250

250

300

300

300

300

350

350

335

335

400

400

385

385

450

450

440

430

500

500

490

485

600

600

590

—

700

700

690

—

800

800

792

—

900

900

891

—

1000

1000

989

—

4©BSI05-1999

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11Bodytappings

ProvisionshallbemadeforabodytappingonvalvesofDN40ornominalsize1;andabove.Bodytappings,whenrequired,shallbeofthefollowingsizesandshallcomplywiththerequirementsofBS21.

Flangedvalve(DN)

40to100

125to300

350to1000

Screwedvalve(nominalsize)

1;to4

5and6

—

Bodytappingsize

;

<

1

12Bodytocoverconnection

Theattachmentofthecovertothebodyshallbeadequatetowithstandtheappropriatetestpressures,serviceconditionsandthemechanicalloadsencounteredinoperation.ValveslargerthanDN40or

nominalsize1;shallhaveboltedconnections.

13Bolting

BoltingthreadsshallbeinaccordancewithISOmetricorUnifiedinchstandards.ThedimensionsandfinishofboltingshallcomplywiththerequirementsofthefollowingBritishStandardsasmaybe

appropriate:

Metric:BS3692,BS4190,BS4439,BS4882

Inch:BS1768(below;in),BS1769,BS2693-1,BS4882

NOTEBoltingwithotherheadformsotherwisecomplyingwiththerequirementsofthespecifiedstandardsisnotprecluded.

14Seats

Bodyseatringsshallbesofittedastoavoidtheirbecominglooseinservice.Threadedseatringsshallbedesignedtofacilitateremoval.

15Disksandhingeassemblies

15.1Swingcheck.Thediskshallhaveaflatseatingface.Whenattachedtothevalvebyaseparatehingemeansshallbeprovidedtopreventthediskandhingepinandretainers,ifprovided,becomingdetachedinservice.

NOTESee7.2andclause28b)regardinganytemperaturelimitations.

15.2Liftcheck.Diskfacesmaybeflat,mitre,ball/cone,plugorofaproprietarydesignatthemanufacturer’soptionunlessaparticularformisspecified.

Disksshallbeguidedfrombelowand/orabovethebodyseat.Thetopguide,whereused,mayformadashpot.

15.3Valveintegrity.Anypartofthevalvewhichcanbecomedetachedinservice,suchashingepinanddisk,hingepinplugs,hingepinstuffingboxesandtwopiecedisks,shallbelocked.

Section4.Materials

16Choiceofmaterials

ThisstandardisbasedonmaterialsspecifiedinTable5.Unlessotherwiseagreed,themanufacturerhastheoptionofselectingmaterialslistedinTable5orusingothermaterials,providingtheyareatleastassuitableinallrelevantrespects.

17Trim

Wherevalvesarerequiredwithaparticulartrim,thisshallbespecifiedbythepurchaserand,inth