【英文标准名称】:Plasticspipingsystemsforthesupplyofgaseousfuels-Polyethylene(PE)-Valves
【原文标准名称】:供应气体燃料用塑料管道系统.聚乙烯(PE).阀门
【标准号】:BSEN1555-4-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-01-07
【实施或试行日期】:2004-01-07
【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】:气体供应线路;特性;试验;管系统;材料;附件;聚乙烯;聚乙烯管道;聚乙烯;定义;规范(验收);塑料管;阀门;管道;配件;管道阀门和配件;燃气供应;压缩气体管道;压缩气体设备;燃气管道
【英文主题词】:Accessories;Compressedgasequipment;Definition;Definitions;Fittings;Gaspipelines;Gassupply;Gassupplyline;Materials;PE;PEpipes;Pipelines;Pipingsystem;Plasticpipes;Polyethylene;Pressuregaspipelines;Properties;Specification(approval);Testing;Valves;Valvesandfittingsforpipelines
【摘要】:ThispartofEN1555specifiesthecharacteristicsofvalvesmadefrompolyethylene(PE)forpipingsystemsinthefieldofthesupplyofgaseousfuels.NOTEValvesmadefromothermaterialthanpolyethylenedesignedforthesupplyofgaseousfuelsconformingtotherelevantstandardsarepermittedtobeusedinPEpipingsystemaccordingtoEN1555providedtheyhaverelevantPEconnectionforbuttfusionorelectrofusionends(seeEN1555-3).Italsospecifiesthetestparametersforthetestmethodsreferredtointhisstandard.InconjunctionwiththeotherpartsofEN1555,itisapplicabletoPEvalves,theirjointsandtojointswithcomponentsofPEandothermaterialsintendedtobeusedunderthefollowingconditions:a)amaximumoperatingpressure,MOP,uptoandincluding10bar;b)anoperatingtemperatureof20℃asreferencetemperature;NOTE1Forotheroperatingtemperatures,deratingcoefficientsshouldbeused,seeEN1555-5.c)anoperatingtemperaturebetween-20℃and+40℃.EN1555coversarangeofmaximumoperatingpressuresandgivesrequirementsconcerningcoloursandadditives.NOTE2Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionsfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.Itisapplicabletobi-directionalvalveswithspigotendorelectrofusionsocketintendedtobefusedwithPEpipesconformingtoEN1555-2withoutanyfittingsorwithPEfittingsconformingtoEN1555-3.ThispartofEN1555coversvalveswithanominalsizeDN/OD≤225.note:1)1bar=0.1MPa
【中国标准分类号】:P94
【国际标准分类号】:23_060_01;91_140_40
【页数】:20P.;A4
【正文语种】:英语


【英文标准名称】:TestMethodsforHydroxyethylcellulose
【原文标准名称】:羟基乙基纤维素的试验方法
【标准号】:ASTMD2364-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:纤维素;试验
【英文主题词】:testing;cellulose
【摘要】:
【中国标准分类号】:Y30
【国际标准分类号】:85_040
【页数】:
【正文语种】:英语