【英文标准名称】:Plasticspipesandfittings-Equipmentforfusionjointingpolyethylenesystems-Part2:Electrofusion
【原文标准名称】:塑料管材和管件.熔解焊接聚乙烯系统用设备.第2部分:电熔焊
【标准号】:ISO12176-2-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-06-15
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:对接焊;定义;电焊;设备目标;配件;管;塑料管;塑料;塑料制品;聚乙烯;规范(验收);测试;焊接接头
【英文主题词】:Buttwelding;Definition;Definitions;Electricwelding;Equipmentobject;Fittings;Pipes;Plasticpipes;Plastics;Plasticsproducts;Polyethylene;Specification(approval);Testing;Weldedjoints
【摘要】:ThispartofISO12176specifiesperformancerequirementsforelectrofusioncontrolunitsforusewithpolyethylene(PE)electrofusionfittingsforthesupplyofgaseousfuelsorfortheconveyanceofwaterforhumanconsumption,includingrawwaterpriortotreatment,andfortheconveyanceofwaterforgeneralpurposeorotherfluids.Thecontrolunitsaredividedintothreeinputvoltageclasses:SVLV[safety,veryIowvoltage(upto50V)],LV[Iowvoltage(50Vto250V)]andHV[highervoltage(250Vto400V)].ThispartofISO12176isapplicabletoelectrofusioncontrolunitsdesignedforuseintheconstructionofjointsbetweenPEpipesandfittingsconformingtoInternationalStandardsforthesupplyofgaseousfuelsorfortheconveyanceofwater,wherethenormaloperatingtemperatureofthecontrolunitisintherange-10~Cto+40~C.Iftemperaturesoutsidethisrangeareexpected,suitableoperatinglimitsaresubjecttoagreementbetweenmanufacturerandpurchaser.ThispartofISO12176isapplicabletocontrolunitswithcurrentorvoltagecontrolforfittingsystemsbasedonstandardresistancewireheatingtechnology.
【中国标准分类号】:J64;G33
【国际标准分类号】:23_040_20;23_040_45;75_200
【页数】:24P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforWovenAsbestosCloth
【原文标准名称】:机织石棉布的标准规范机织
【标准号】:ASTMD1571/D1571M-1995(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:C17.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:asbestos;cloth;testing;wovenasbestoscloth
【摘要】:1.1Thisspecificationcoverswovenasbestosclothhavingaminimumof75%asbestosfiberbyweight,excludingthemassofotherinorganicreinforcingstrandswhichmaybepresent.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Warningx2014;Breathingofasbestosdustishazardous.Asbestosandasbestosproductspresentdemonstratedhealthrisksforusersandforthosewithwhomtheycomeintocontact.Inadditiontootherprecautions,whenworkingwithasbestos-cementproducts,minimizethedustthatresults.Forinformationonthesafeuseofchrysoltileasbestos,refertox201C;SafeUseofChrysotileAsbestos:AManualonPreventiveandControlMeasures.x201D;1.4Thefollowingsafetycaveatpertainsonlytothetestmethodsportion,Section13,describedinthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyhazard,see1.3.
【中国标准分类号】:Q61
【国际标准分类号】:59_060_30
【页数】:6P.;A4
【正文语种】:英语