SAE AS5956 Hose Assembly, Polytetrafluoroethylene, Para Aramid Reinforced, 275 掳F, 5080 psi, Flareless, Titanium Fitting
作者:标准资料网 时间:2024-05-03 13:18:21 浏览:9546
来源:标准资料网
Product Code:SAE AS5956
Title:Hose Assembly, Polytetrafluoroethylene, Para Aramid Reinforced, 275 掳F, 5080 psi, Flareless, Titanium Fittings, 45掳 to 90掳
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:Scope unavailable.
上一篇:
SAE AS5947 Fitting, Ferrule End - Threaded Coupling, Rigid, Self-Bonding, Design Standard下一篇:
SAE AS5954 Hose Assembly, Polytetrafluoroethylene, Para Aramid Reinforced, 275 掳F, 5080 psi, Flareless, Titanium FittingMIL-DTL-8783C, DETAIL SPECIFICATION: CLAMP, HOSE, FLAT BAND 500 DEG F, GENERAL SPECIFICATION FOR (30 JUL 1999)., This specification covers flat band, T-bolt latch clamps and flat band, quick-release latch clamps used in various aircraft installations of duct, hose and flex tubing.【英文标准名称】:StandardTestMethodforJoints,Fittings,andPatchesinCoatedPipelines
【原文标准名称】:涂覆管道连接件、配件和搭接板的标准试验方法
【标准号】:ASTMG18-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D01.48
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:涂层;配件;连接件(活接头);材料;非金属;涂漆;涂料;管道;测试
【英文主题词】:capacitance;coating;current;dissipationfactor;fittings;immersion;joint;leakage;patches;pipeline;resistance
【摘要】:Theexposedmetalsurfacesatjoints,fittings,anddamagedareasinanotherwisecoatedpipelinewillbesubjectedtocorrosionifallowedtocomeincontactwiththesoilenvironment.Theperformanceofjointandpatchingmaterialsdesignedtofunctionasprotectivecoveringswilldependuponsuchfactorsastheabilityofthematerialtobondtoboththepipecoatingandexposedmetalsurfaces,theintegrityofthemoisturesealatlappedjoints,andthewaterabsorptioncharacteristicsofthejointmaterial.Theexistenceofsubstantialleakagecurrentthroughthecoatingjoint,patch,orfittingisreliableevidencethatthematerialhassufferedasignificantdecreaseinitsperformanceasaprotectivebarrier.Inasimilarmanner,measuredchangesinjointcapacitanceanddissipationfactorareusefulbecausetheyarerelatedtothewaterabsorptionrateofthejointmaterial.Waterpermeatinganinsulatingbarrierincreasesitscapacitanceanditsprogresscanbemeasuredthroughtheuseofasuitableimpedancebridge.1.1Thistestmethoddescribesdeterminationofthecomparativecorrosionpreventativecharacteristicsofmaterialsusedforapplicationstojoints,couplings,irregularfittings,andpatchedareasincoatedpipelines.Thetestmethodisapplicabletomaterialswhoseprincipalfunctionistoactasbarriersbetweenthepipesurfaceandsurroundingsoilenvironment.1.2Thetestmethoddescribedemploysmeasurementsofleakagecurrent,capacitance,anddissipationfactortoindicatechangesintheinsulatingeffectivenessofjointandpatchingmaterials.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4ThevaluesstatedinSIunitstothreesignificantdecimalsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:J15;A29
【国际标准分类号】:23_040_01
【页数】:5P.;A4
【正文语种】:
