DIN ISO 7425-1-1990 液压传动.弹性体赋能塑料面密封沟槽.尺寸和公差.活塞密封沟槽
时间:2024-05-16 22:24:27 来源: 标准资料网 作者：标准资料网 阅读：9385
【英文标准名称】:Hydraulicfluidpower;housingsforelastomer-energized,plastic-facedseals;dimensionsandtolerances;pistonsealhousings;identicalwithISO7425-1:1988
【原文标准名称】:液压传动.弹性体赋能塑料面密封沟槽.尺寸和公差.活塞密封沟槽
【标准号】:DINISO7425-1-1990
【标准状态】:现行
【国别】:德国
【发布日期】:1990-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;流体动力缸;尺寸;液压设备;密封件;活塞环;轴承箱;流体工程;公差;液压传动系统;流体技术;液压缸;活塞;密封环
【英文主题词】:
【摘要】:Thisstandardspecifiesthedimensionsandassociatedtolerancesforaseriesofpistonsealhousingstoaccommodateelastomer-energized,plastic-facedsealsusedinreciprocatingapplications.#,,#
【中国标准分类号】:J22
【国际标准分类号】:23_100_60
【页数】:6P;A4
【正文语种】:德语
【英文标准名称】:SpecificationforNesslercylinders
【原文标准名称】:奈氏量筒规范
【标准号】:BS612-1952
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:N64
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:Reactiontofiretestsforfloorings.Part1:Determinationoftheburningbehaviourusingaradiantheatsource
【原文标准名称】:地板覆盖物对火反应试验.第1部分:使用辐射热源的燃烧性能测定
【标准号】:BSENISO9239-1-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-08-31
【实施或试行日期】:2010-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:校准;建筑;施工材料;定义;测定;尺寸规格;防火安全;建筑物防火;防止火灾扩散;燃烧试验;火焰扩散;易燃性;地板覆盖物;热辐射设备;辐射强度;实验室试验;特性;辐射通量密度;规范(验收);结构防火;火焰表面传播;试验设备;试验性能;试验报告;试验;铺地织物;纺织材料
【英文主题词】:Calibration;Construction;Constructionmaterials;Definitions;Determination;Dimensions;Firesafety;Firesafetyinbuildings;Firespreadprevention;Firetests;Flamepropagation;Flammability;Floorcoverings;Heat-radiatingequipment;Intensityofradiation;Laboratorytesting;Properties;Radiantfluxdensity;Specification(approval);Structuralfireprotection;Surfacespreadofflame;Testequipment;Testperformance;Testreports;Testing;Textilefloorcoverings;Textiles
【摘要】:WARNING—Thepossibilityofagas-airfuelexplosioninthetestchambershouldberecognized.Suitablesafeguardsconsistentwithsoundengineeringpracticeshouldbeinstalledinthepanelfuelsupplysystem.Theseshouldincludeatleastthefollowing:-agas-feedcut-offwhichisimmediatelyactivatedwhenairand/orgassupplyfail;-atemperaturesensororaflamedetectionunitdirectedatthepanelsurfacethatstopsfuelflowwhenthepanelflamegoesout.Theattentionofallpersonsconcernedwithmanagingandcarryingoutthistestisdrawntothefactthatfiretestingmaybehazardousandthatthereisapossibilitythattoxicand/orharmfulgasesmaybeevolvedduringthetest.Operationalhazardsmayalsoariseduringthetestingofspecimens,suchasthepossibilityofanexplosion,andduringthedisposaloftestresidues.Anassessmentofallthepotentialhazardsandriskstohealthshouldbemadeandsafetyprecautionsshouldbeidentifiedandprovided.Writtensafetyinstructionsshouldbeissued.Appropriatetrainingshouldbegiventorelevantpersonnel.Laboratorypersonnelshouldensurethattheyfollowwritteninstructionsatalltimes.ThispartofISO9239specifiesamethodforassessingthewind-opposedburningbehaviourandspreadofflameofhorizontallymountedflooringsexposedtoaheatfluxradiantgradientinatestchamber,whenignitedwithpilotflames.AnnexAgivesdetailsofassessingthesmokedevelopment,whenrequired.Thismethodisapplicabletoalltypesofflooring,e.g.textilecarpet,cork,wood,rubberandplasticscoveringsaswellascoatings.Resultsobtainedbythismethodreflecttheperformanceoftheflooring,includinganysubstrateifused.Modificationsofthebacking,bondingtoasubstrate,underlayorotherchangesoftheflooringmayaffecttestresults.ThispartofISO9239isapplicabletothemeasurementanddescriptionofthepropertiesofflooringsinresponsetoheatandflameundercontrolledlaboratoryconditions.Itshouldnotbeusedalonetodescribeorappraisethefirehazardorfireriskofflooringsunderactualfireconditions.InformationontheprecisionofthetestmethodisgiveninAnnexB.
【中国标准分类号】:C80
【国际标准分类号】:13_220_40;59_080_60;97_150
【页数】:36P.;A4
【正文语种】:英语