HG/T 3282-1990 粉状磷酸一铵(原ZB G 21009-90)
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时间:2024-05-19 06:09:46
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来源:标准资料网
基本信息
标准名称: | 粉状磷酸一铵(原ZB G 21009-90) |
中标分类: |
化工 >>
化肥、农药 >>
化肥、化学土壤调理剂 |
替代情况: | 原标准号ZB G21009-90;被GB 10205-2001代替 |
发布日期: | 1990-02-12 |
实施日期: | 1990-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 2002-01-01 |
出版日期: | 1900-01-01 |
页数: | 5页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 化工 化肥 农药 化肥 化学土壤调理剂
【英文标准名称】:Codeofpracticeforsafetyintunnellingintheconstructionindustry
【原文标准名称】:建筑业中开挖隧道的安全实用规程
【标准号】:BS6164-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-04-30
【实施或试行日期】:1990-04-30
【发布单位】:英国标准学会(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】:P09
【国际标准分类号】:93_060
【页数】:96P;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforChlorinatedPoly(VinylChloride)(CPVC)PlasticHot-andCold-WaterDistributionSystems
【原文标准名称】:氯化聚氯乙烯(CPVC)塑料热.冷水配水系统的规格
【标准号】:ASTMD2846/D2846M-2009b
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:F17.61
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:cold-waterpipe;CPVCpiping;hot-waterpipe;waterdistributionpiping;Chlorinatedpoly(vinylchloride)(CPVC)pipe--specifications;Coldwatersupply/distributionsystems--specifications;Cycling;Hotwatersupply/distributionsystems--specifications
【摘要】:1.1Thisspecificationcoversrequirements,testmethods,andmethodsofmarkingforchlorinatedpoly(vinylchloride)plastichot-andcold-waterdistributionsystemcomponentsmadeinonestandarddimensionratioandintendedforwaterserviceuptoandincluding180x00B0;F(82x00B0;C).Thesecomponentscomprisepipeandtubing,socket-typefittings,streetfittings,plastic-to-metaltransitionfittings,solventcements,andadhesives.Requirementsandmethodsoftestareincludedformaterials,workmanship,dimensionsandtolerances,hydrostaticsustainedpressurestrength,andthermocyclingresistance.Thecomponentscoveredbythisspecificationareintendedforuseinresidentialandcommercial,hotandcold,potablewaterdistributionsystems.1.2Theproductscoveredbythisspecificationareintendedforusewiththedistributionofpressurizedliquidsonly,whicharechemicallycompatiblewiththepipingmaterials.Duetoinherenthazardsassociatedwithtestingcomponentsandsystemswithcompressedairorothercompressedgasessomemanufacturersdonotallowpneumatictestingoftheirproducts.Consultwithspecificproduct/componentmanufacturersfortheirspecifictestingprocedurespriortopneumatictesting.Note18212;Pressurized(compressed)airorothercompressedgasescontainlargeamountsofstoredenergywhichpresentserioussafteyhazardsshouldasystemfailforanyreason.1.3Thetextofthisspecificationreferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.Note28212;Suggestedhydrostaticdesignstressesandhydrostaticpressureratingsforpipe,tubing,andfittingsarelistedinAppendixX1.Design,assembly,andinstallationconsiderationsarediscussedinAppendixX2.Anoptionalperformancequalificationandanin-plantqualitycontrolprogramarerecommendedinAppendixX3.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Sections9and10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_20
【页数】:12P.;A4
【正文语种】: