【英文标准名称】:StandardTestMethodforSealabilityofEnvelopedGaskets
【原文标准名称】:包封衬垫密封性的标准试验方法
【标准号】:ASTMF112-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F03.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;衬垫;密封件
【英文主题词】:envelopedgaskets;metal;PTFE;sealability
【摘要】:Thistestmethodisdesignedtoevaluatealltypesofenvelopedgasketsundercontrolledconditionswithrespecttoleakageandtoprovidemeasurableleakagerates.Determiningtorquerequiredtosealagivengasketisalsopartofthistestmethod.Byconvertingthetorqueatsealingtototalboltload,usefuldesigninformationmaybeobtainedforotherstandardandnonstandardopenings.Thistestmethodmaybeusedasanincomingqualitycontroltesttoevaluatesimilargasketsfromdifferentsuppliers.Thistestmethodmayalsobeusedasaqualitycontroltestwhenparametersareagreeduponbetweentheproducerandtheuser.Leakagethroughthegasketoroverthegasket,orboth,isdeterminedbythistestmethod.1.1Thistestmethodcoverstheevaluationofthesealingpropertiesofenvelopedgasketsforusewithcorrosion-resistantprocessequipment.Envelopedgasketsaredescribedasgasketshavingsomecorrosion-resistantcoveringovertheinternalareanormallyexposedtothecorrosiveenvironment.Theshieldmaterialmaybeplastic(suchaspolytetrafluoroethylene)ormetal(suchastantalum).Aresilientconformablefillerisusuallyusedinsidetheenvelope.ThedesignandconstructionofnonmetallicgasketsiscoveredinPracticeF336.1.2si-value;Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection6.
【中国标准分类号】:J22
【国际标准分类号】:21_140
【页数】:4P.;A4
【正文语种】: