DIN 18301-1958 VOB建筑工程主管承包条例.第C部分:建筑工程通用技术合同规程(ATV).钻孔工程

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【英文标准名称】:TestMethodforEvaluatingtheOxidativeResistanceofMultilayerPolyolefinTubingtoHotChlorinatedWater
【原文标准名称】:评价多层聚烯烃管耐氯化热水氧化性的试验方法
【标准号】:ANSI/ASTMF2330-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;多层;氯化的;水;表面处理;管道;热水;评定;耐力;聚烯烃
【英文主题词】:Chlorinated;Evaluations;Hotwater;Multi-layer;Polyolefins;Resistance;Surfacetreatment;Testing;Tubing;Water
【摘要】:Thistestmethoddescribesthegeneralrequirementsforevaluatingthelong-term,chlorinatedwater,oxidativeresistanceofmultilayertubingwhichincludesaninnerlayerofapolyolefinmaterialsuchasPEorPEX(forexample,seeSpecificationF1986orF1281).Thistestmethodoutlinestherequirementsofapressurizedflow-throughtestsystem,testpressure,test-fluidcharacteristics,failuretype,anddataanalysis.Thistestmethodisvalidforpolyolefinmaterialsthatarestabilizedwithhinderedphenolictypeanti-oxidantsthatshallbeanalyzedusingtheOxidativeInductionTime(OIT)method(forexample,D3895).Guidelinesandrequirementsfortesttemperatures,testhoopstresses,andothertestcriteriashallbestablishedbypriortestingofmultilayertubingandsolid-wallPEXandPEtubing.Otherrelatedsystemcomponentsthattypicallyappearinamultilayertubinghot-and-coldwaterdistributionsystemshallbeevaluatedwiththemultilayertubing.Whentestingmultilayertubingandfittingsasasystem,itisrecommendedthattheanticipatedend-usefittingtype(s)andmaterial(s)beincludedinthetestcircuitsinceitisknownthatsomefittingtypesandmaterialscanaffectfailuretimes.Specimensusedshallberepresentativeofthepipingproduct(s)andmaterial(s)underinvestigation.Note2-Theproceduresdescribedinthistestmethod(withsomemodificationsoftesttemperaturesorstresses,orboth)havebeenusedtoevaluatepipesmanufacturedfrompolybutylene(PB),polyethylene(PE),polypropylene(PP),cross-linkedpolyethylene(PEX),andmultilayer(polymer-metalcomposite)pipes.Thistestmethodisapplicabletomultilayertubingandsystemsusedfortransportofpotablewatercontainingfree-chlorinefordisinfectingpurposes.Theoxidizingpotentialofthetest-fluidspecifiedinthistestmethodexceedsthattypicallyfoundinpotablewatersystemsacrosstheUnitedStates.Thevaluesstatedincm-gramunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationpurposes.Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section12,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_99;25_220_60
【页数】:
【正文语种】:英语


【英文标准名称】:Rubberandplasticshoses-Determinationofabrasionoflining
【原文标准名称】:橡胶和塑料软管.内衬磨损的测定
【标准号】:BSENISO7662-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1996-12-15
【实施或试行日期】:1996-12-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:管;磨损试验;合成橡胶;天然橡胶;试验设备;柔性管;试验条件;塑料
【英文主题词】:Abrasion;Abrasiontests;Flexiblepipes;Innertube;Plasticshose;Plasticsproducts;Rubberhoses;Rubberproducts;Testing;Tests
【摘要】:ThisInternationalStandardspecifiesamethodfordeterminingtheabrasionofahoseliningwhenacertainamountofspecifiedgritispassedthroughthehose.Themethodisapplicabletorubberandplasticshoseswithaninternalboreof20to50mmusedforgritblasting,shotblastingandsimilaroperations.Themethodmaybeusedforcomparisonoftheabrasionresistanceofdifferenttypesofhose,butnotforspecificationofmaximumabrasioninahosestandard.Comparisonshouldbemadeonthesametypeandsizeofhose.Resultsfromtestscar-riedoutwithdifferenttypesofgritshouldnotbecompared.
【中国标准分类号】:G33;G42
【国际标准分类号】:23_040_70
【页数】:12P;A4
【正文语种】:英语