ANSI ASME A112.18.8-2009 In-Line Sanitary Waste Valves for Plumbing Drainage Systems《水管下水道系统用内嵌式生活排污阀》.pdf

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1、AN AMERICAN NATIONAL STANDARDASME A112.18.8-2009In-Line Sanitary Waste Valves for Plumbing Drainage SystemsIntentionally left blank ASME A112.18.8-2009In-Line Sanitary WasteValves for PlumbingDrainage SystemsAN AMERICAN NATIONAL STANDARDDate of Issuance: July 17, 2009This Standard will be revised wh

2、en the Society approves the issuance of a new edition. There willbe no addenda or written interpretations of the requirements of this Standard issued to this edition.Periodically certain actions of the ASME A112 Committee may be published as Cases. Cases arepublished on the ASME Web site under the C

3、ommittee Pages at http:/cstools.asme.org as they areissued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards. The Standards Committee that approved th

4、e code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate. The proposed code or standard was madeavailableforpublicreviewandcommentthatprovidesanopportunityforadditionalpublicinputfromindustry,academia,regulatory agencies,

5、 and the public-at-large.ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document, and does not undertake to

6、insure anyone utilizing a standard against liability forinfringement of any applicable letters patent, nor assumes any such liability. Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights, and the risk of infringement of such rights, isentirel

7、y their own responsibility.Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance w

8、ith the establishedASME procedures and policies, which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanic

9、al EngineersThree Park Avenue, New York, NY 10016-5990Copyright 2009 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword ivCommitteeRoster . vCorrespondenceWiththeA112Committee . vi1 General . 12 General Requirements 13 Testing 24 Marking, Identificatio

10、n, and Instructions 6Figures1 TypicalCross-Section(forIllustrativePurposesOnly) 22 WaterwayFlow-RateTestApparatus 33 InversionRecoveryTestApparatus 44 Life-CycleTestApparatus 6iiiFOREWORDTheinitialworkonastandardfor“Self-SealingWaterlessWasteValves“wasundertakenbya Committee of the International Ass

11、ociation of Plumbing and Mechanical Officials (IAPMO).The results of their activity resulted in their Interim Guide Criteria IGC 203-2004, which wasused as a benchmark for performance of such devices, which are now known as “SanitaryWasteValves.”IGC203-2004wassubmittedtotheASMEStandardsCommitteeA112

12、,PlumbingMaterialsandEquipment,forconversionintoanAmericanNationalStandard.A112ProjectTeam18.8wasestablishedforthepurposeofundertakingthistask.ThepurposeofthisStandardistoestablishagenerallyacceptablestandardforsanitarywastevalvesfor installationontubing.Its purposeisto serveasaguide forproducers,di

13、stributors,architects, engineers, contractors, installers, inspectors, and users; to promote understandingregarding materials, manufacture, and installation; and to provide for identifying fittings forinstallationonthevalvecomplyingwiththisStandard.Sanitarywastevalvesareintendedforuseasanalternative

14、totubularp-traps.Sanitarywastevalvesprovideawaterlessbarrierbetweenthewastesystemandthefixture.SuggestionsforimprovementofthisStandardwillbewelcomed.TheyshouldbesenttoTheAmerican Society of Mechanical Engineers, Attn: Secretary, A112 Standards Committee, ThreeParkAvenue,NewYork,NY10016-5990.ThisStan

15、dardwasapprovedbytheAmericanNationalStandardsInstituteonJune2,2009.ivASME A112 COMMITTEEStandardization of Plumbing Materials and Equipment(The following is the roster of the Committee at the time of approval of this Standard.)STANDARDS COMMITTEE OFFICERSD. W. Viola, ChairS. A. Remedios, Vice ChairC

16、. J. Gomez, SecretarySTANDARDS COMMITTEE PERSONNELR. H. Ackroyd, Rand EngineeringS. R. Aridi, NSF InternationalJ. A. Ballanco, JB Engineering however,theyshouldnotcontainproprietarynamesorinformation.Requeststhat arenot inthis formatwillbe rewrittenin thisformat bythe Committeepriortobeinganswered,w

17、hichmayinadvertentlychangetheintentoftheoriginalrequest.ASME procedures provide for reconsideration of any interpretation when or if additionalinformation that might affect an interpretation is available. Further, persons aggrieved by aninterpretationmayappealtothecognizantASMECommitteeorSubcommitte

18、e.ASMEdoesnot“approve,”“certify,”“rate,”or“endorse”anyitem,construction,proprietarydevice,oractivity.Attending Committee Meetings. TheA112StandardsCommitteeregularlyholdsmeetings,whichareopentothepublic.PersonswishingtoattendanymeetingshouldcontacttheSecretaryoftheA112StandardsCommittee.viASME A112.

19、18.8-2009IN-LINE SANITARY WASTE VALVES FOR PLUMBINGDRAINAGE SYSTEMS1 GENERAL1.1 ScopeThisStandardestablishesminimumrequirementsformaterials in the construction of sanitary waste valves(hereinafter referred to as “the valve”) for use as analternate to tubular p-traps, and prescribes minimumtestrequir

20、ementsfortheperformanceofthevalve,together with methods of marking and identification.ThisStandarddoesnotdefinetherequirementsforprod-ucts to be used in urinals or water closets. It is notintended that products meeting this Standard will beusedinaurinalorwatercloset.The provisions of this Standard a

21、re not intended topreventtheuseofanyalternatematerialormethodofconstructionprovidedanysuchalternatemeetstheintentofthisStandard.1.2 Units of MeasurementValuesarestatedinU.S.CustomaryunitsandintheInternationalSystemofUnits(SI).TheU.S.Customaryunitsshallbeconsideredasthestandard.In this Standard, gall

22、ons (U.S. liquid) per minute isabbreviated gpmand liters (metric liquid)per minuteisabbreviatedL/min.1.3 ReferencesThefollowingdocumentsformapartofthisStandardto the extent specified herein. Unless otherwise speci-fied,thelatesteditionshallapply.ANSI/ASSE1051,AirAdmittanceValvesforPlumbingDrainageSy

23、stemsPublisher:AmericanSocietyofSanitaryEngineering(ASSE),901CanterburyRoad,Westlake,OH44145ASMEA112.18.2/CSAB125.2,PlumbingWasteFittingsASMEB1.20.1,PipeThreads,GeneralPurpose(Inch)Publisher: The American Society of MechanicalEngineers (ASME), Three Park Avenue, New York,NY10016-5990;OrderDepartment

24、:22LawDrive,Box2300,Fairfield,NJ07007-2300ASTM D 2000, Rubber Products for AutomotiveApplicationsASTMF409,ThermoplasticAccessibleandReplaceablePlasticTubeandTubularFittings1Publisher: American Society for Testing and Materials(ASTM International), 100 Barr Harbor Drive, WestConshohocken,PA19428-2959

25、1.4 Definitionsbladder/checkingmember:thecomponent ofthesanitarywastevalvethatprovidesthesealingfunction.sanitarywastevalve:aproductusedasanalternatetoawater-filledtubularwastetrapwhichprovidesprotec-tionforthepropertyfromfoulairinthesewer.2 GENERAL REQUIREMENTS2.1 MaterialThe valve shall meet the m

26、aterial requirements ofASTMF409.Thevalveshallbeinstalledinaccessiblelocations.2.2 Seal MaterialSealmaterialsshallcomplywithorexceedclassifica-tionM3BA507A14B13C12F17orM2BG714B14EO14EO34ofASTMD2000.2.3 Bladder/Checking Member MaterialBladder/checking member material comply with orexceedclassification

27、M3FC607EA14EO16G11ofASTMD2000.2.4 Valve Inlet2.4.1 Thevalveinletsshallbe114in.(31.8mm)or112in.(38.1mm),nominalstraightorwithan8712-degelboworbestandardpipesizestraightinlet(seeFig.1).2.4.2 Thebaseof thethread maybesealed byasealingwasher(inletset)atthebaseofthethread.Theuseful thread length shall be

28、 between38in. (9.5 mm)and12in.(12.7mm).Allthreadedfixtureoutletsshallhave a minimum three-thread engagement for fittingsandplasticnutstocorrectlyengage/energizetheinletsealinaccordancewithASTMF409.2.4.3 If required for horizontal installations, an8712-degknuckleadaptershallbeavailabletoallowthevalve

29、tobeconnectedinahorizontalposition.Thedeviceandconnectedpiping,wheninstalledinahori-zontalposition,shallhaveaminimumslopeof1:48i.e.,14in./ft(21mm/m).ASME A112.18.8-2009Fig. 1 Typical Cross-Section(For Illustrative Purposes Only)Tubular slip-jointconnection,11/4in. (31.8 mm) or 11/2 in. (38.1 mm)Adap

30、ter fitting,in-line slip-joint,11/4in. (31.8 mm) or 11/2 in. (38.1 mm)Adapter fitting, 871/2 - deg elbow, 11/2 NPTDirect connection, 11/2 NPTTubular slip-joint connection,11/4in. (31.8 mm) or 11/2 in. (38.1 mm)Orientation indicator ribs for correct horizontal installationValve bodyBladder (checking

31、member) Direct connection, 11/2 NPTTubularslip-joint connection,11/4in. (31.8 mm) or 11/2 in. (38.1 mm)VerticalClosed (No flow)Closed (No flow)Open (Flow)Open (Flow)Orientation indicator ribs for correct horizontalinstallationValve bodyBladder (checking member) Horizontal2.4.4 Ifrequired,astraight-r

32、unningadaptershallbeavailabletoallowthevalvetobeconnectedtopiperatherthanthefixtureoutlet.2.5 Valve OutletThevalveoutletshallhaveaconnectionthatiscompatible with tubing manufactured to ASTM F 409or threaded connections complying withASMEA112.18.2/CSAB125.2.2.6 Threaded ConnectionsAllthreadsthatconne

33、cttoexternalfixturesshallcom-plywithASMEB1.20.1.3 TESTING3.1 Waterway Flow Rate3.1.1 Test Method. ConnectthevalvetothewasteoutletholeofthetankinaccordancewithFig.2andthemanufacturersinstallationinstructions.Fillthetesttankwith water up to the test level. Stabilize the test levelbyadjustingthewaterin

34、flowbymeansoftheregulating2valve.Theflowrateofthevalveisindicatedbytheflowmeter,whenthetestwaterlevelisstabilized.3.1.2 Performance Requirements. The valve shalldemonstrateflowratesnotlessthan(a) 114in.(31.8mm):9.5gpm(36L/min),valvealoneonwashbasin,bidet(b) 112in.(38.1mm):13.5gpm(51L/min),valvealone

35、onbath(c) 112in.(38.1mm):11.1gpm(42L/min),valvealoneonkitchensink3.2 One-Way Sealing Performance of the Valve3.2.1 Test Apparatus. Thetestapparatusisasfollows:(a) lengthof14in.(6mm)borerubbertubing(b) tee-junctionsuitableforusewiththerubbertubing(c) u-tube manometer with a range of 0 in. (0 mm)to4in

36、.(102mm)ofwater,gage(d) reducertoenabletherubbertubetobeconnectedtotheoutletofthevalveASME A112.18.8-2009Fig. 2 Waterway Flow-Rate Test Apparatus153/4in. min.(400 mm min.)20 in. min.(500 mm min.)12 in. max.(305 mm max.)6 in. 1/16in.(152 mm 1.5 mm)0.15 degFlow meterHeaderManifold device to prevent tu

37、rbulenceCenter of overflow holeOverflow levelWater levelduring testRegulatingvalveWaste outlet hole871/2- deg fittingDevice beingtested in vertical positionDevice beingtested in horizonal position3.2.2 Test Method. Prime the valve by running agallonofwaterthroughthevalvetowaste.Connecttherubbertubin

38、g throughthereducer totheoutlet ofthevalve. Connect the other end of the tube to thetee-junction,onelegofwhichisconnectedtotheu-tubemanometerandtheremaininglegtoanotherlengthoftubing.Applyairpressuretothefreeendofthetubinguntilapressureof2in.(51mm)ofwater,gage,isregis-tered onthe u-tubemanometer. Cl

39、ampthe end ofthetubeandmaintainpressurefor10sec.3.2.3 Performance Requirements. The valve shallretainasealunderabackpressure,equivalentto2in.(51mm)ofwater,gage,for10sec.3.3 Airway Flow RateTheairwayflowratetestshallbeperformedinaccor-dance with paras. 3.3.2 through 3.3.4 of ANSI/ASSE1051.33.4 Recove

40、ry From an Excess Back Pressure(Inversion) Condition3.4.1 Test Method. Fit the valve to be tested to astandardsinkandconnectthearrangementofpipeworkshownin Fig.3 tothe outletof thevalve. ClosevalveatpointB.SlowlyopenvalveCuntilthebladderinvertsand water flows into the sink. Record the pressure atthe

41、pointofinversion.ClosevalveC,openvalveB.FitthesinkplugandfillwithwatertolevelA.3.4.2 Performance Requirements. When the sinkplug is removed, the sink must completely drain. Atthecompletion ofthetest, thevalveshallbe testedinaccordance with paras. 3.1 and 3.2. Failure to achievetheperformanceparamete

42、rsprescribedinparas.3.1and3.2shallbecauseforrejection.ASME A112.18.8-2009Fig. 3 Inversion Recovery Test ApparatusDCBAInletDrainI8 in. (200 mm)A = water levelB = outlet drain valveC = inlet valveD = pressure gageI = valve under test4ASME A112.18.8-20093.5 Leak Tightness3.5.1 Test Method. The valve mu

43、st be tested inaccordancewiththehydrostaticpressuretestinASTMF409usinganinternalpressureof25psi(172kPa)for1hr.3.5.2 Performance Requirements. The valve shallshownoevidenceofleakageanddemonstrateairtightness.3.6 Thermal Cycling3.6.1 Test Requirement. The valve shall completethefollowingthermalcycling

44、testprocedurefor5cyclesandallow5secofdrainingtimebetweencycles:(a) 7.9gpm(30L/min)ofwateratatemperatureof203F4F(95C2C)overaperiodof15minataconstantflowrate(b) 7.9gpm(30L/min)ofwateratatemperatureof68F10F(20C5C)overaperiodof10minataconstantflowrate3.6.2 Performance Requirements. Atthecompletionofthea

45、bovetest,thevalveshallbetestedinaccordancewithpara.3.2andmeettherequirementsofpara.3.2.3.3.7 Cyclic Fatigue3.7.1 Test Requirement. The valve shall completethefollowingcyclicfatiguetestprocedureallowing60secfordrainingbetweencycles:1,500cyclesof60sec2secduration,atatemperatureof200F4F(93C 2C) followe

46、d by 60 sec at a temperature of59F10F(15C5C),flowrate7.9gpm0.1gpm(30L/min0.5L/min).3.7.2 Performance Requirements. Atthecompletionoftheabovetest,thevalveshallbetestedinaccordancewithpara.3.2andmeettherequirementsofpara.3.2.3.3.8 Resistance to Household Substances3.8.1 Test Apparatus. The valve shall

47、 be attachedtoasinkfittedwithastandardcrosspieceoutlet.3.8.2 Substances to Be Tested. Each test shall becarriedoutseparatelyusingaquantityof1.5oz(43g)or1.5floz(44mL)ofoneofthefollowingmaterials:(a) material1:fooduncookedlong-grainrice(b) material 2: food diced vegetable ofsize14in.H1154714in. H11547

48、14in.(6mm H11547 6mmH11547 6mm)(c) material3:cleanersliquidsoaps(d) material4:solidskiln-driedsand(e) material5:lard95%water,5%meltedlard,eachat150F(65.6C)3.8.3 Test Method. Thematerialshallbeplacedonoraroundthesinkoutlet.Fourpints(64flozor1.9L)ofwaterwillthenbepouredontotheitemtoflushthematerialfro

49、mthesink.ForMaterials1through4,coldwatershallbeused;forMaterial5,warmwaterat150F5(65.6C)shallbeused.Thesystemwillthenbeleftfor24hr.3.8.4 Performance Requirements. Atthecompletionoftheabovetest,thevalveshallbetestedinaccordancewithpara.3.2andmeettherequirementsofpara.3.2.3.3.9 Resistance to Chemicals and Solvents3.9.1 Test Requirement. Thevalveshallbeattachedtoasinkfittedwithastandardcrosspieceoutlet.3.9.2 Substances to Be Tested. Each test shall becarriedoutseparatelyusingaquantityof34pt(12flozor0.35L)ofoneofthefollowingsolvents:(a)

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