【英文标准名称】:SpecificationforInstallationofgas-firedhotwaterboilersofratedinputsbetween70kW(net)and1.8MW(net)(2ndand3rdfamilygases)
【原文标准名称】:额定输入功率在70kW(净功率)和1.8MW(净功率)之间(2类和3类家用煤气)的燃气热水锅炉的安装规范
【标准号】:BS6644-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-07-08
【实施或试行日期】:2005-07-08
【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】:锅炉;检验;烟囱;流量率;尺寸;管;通风;选择;交付使用;通气管;冷凝;锅炉房;位置;燃气管;烟道;加热设备;热水锅炉;安全阀;装配;燃气动力装置;燃气供应;2类家用煤气;3类家用煤气
【英文主题词】:Boilerrooms;Boilers;Chimneys;Commissioning;Condensation;Flowrates;Flues;Gaspipes;Gassupply;Gas-powereddevices;Heatingequipment;Hot-waterboilers;Inspection;Installation;Pipes;Position;Safetyvalves;Selection;Size;Ventpipes;Ventilation;2ndfamilygases;3rdfamilygases
【摘要】:ThisBritishStandardspecifiesrequirementsfortheinstallation,includingdesign,inspectionandcommissioning,ofgas-firedhotwaterboilersofnetratedheatinputsexceeding70kWbutnotexceedinganetheatinputof1.8MW.Groupsofboilerswithindividualnetheatinputsof70kWorless,butwithaggregatenetheatinputsinexcessof70kW,arealsocoveredbythisstandard.ThisstandardisapplicabletotheinstallationofboilersthataredesignedtoutilizenormallydistributedgasesofGroupHofthesecondfamily(e.g.naturalgas),andgasesofGroupP(e.g.propane)andGroupB(e.g.butane)ofthethirdfamily.Forthepurposesofthisinstallationstandard,LPG/airmixturesareregardedasthirdfamilygases.Thisstandardisapplicabletotheinstallationofgas-firedhotwaterboilerswithinthescopeof:a)forboilerssuppliedasacompleteassembly,BSEN656orBS5978(allparts);b)forboilerssuppliedasacompleteassemblyandusedinmultipleboilerinstallationswhosetotalnetheatinputexceeds70kW,BSEN297,BSEN483,orBSEN677;c)forboilersandburnersdeliveredseparatelyandassembledonsite:1)theboilershell,BSEN303-1,BSEN12952,BSEN12953BS779,BS855,orBS2790;2)theburner,BSEN676;3)theassembly,BSEN303-3orBS5987-1andBS5978-3.NOTE1Forthepurposesofthisstandard,installationincludesdesign,inspectionandcommissioning.Itisrecognisedthateachoftheserequiredifferentlevelsofcompetence(see4.1.2).Whereallofthesetasksareperformedbysameperson,thatpersonhastohavethenecessarylevelsofcompetenceforeachtask.NOTE2Althoughthisstandarddoesnotcontainanyrequirementsforindustrialprocesses,thegeneralprinciplescanbeapplied.NOTE3Thegeneralprinciplesofthisstandardwithrespecttohotwatercircuitscanbeusedforboilersexceeding1.8MWnetheatinput(2MWgrossheatinput).Forinstallationsexceeding1.8MWnetheatinput,seeIGE/UP/10[15].NOTE4Theratioofgrosstonetheatinputisapproximately1.11:1forGroupH(naturalgas),1.09:1forGroupP(propane)and1.08:1forgroupB(butane).Itisalsoapplicabletoinstallationsthathavebeenconvertedfromburningotherfuelstogas-firing.Thisstandardisnotapplicableto:a)theinstallationofanyheatingorhotwatersupplysystemassociatedwiththeboilerinstallation,b)theinstallationofgascushionsystems(nondiaphragmexpansionvessels)intendedtopressurizethehotwatercircuit,orc)installationsinhazardousareas,asdefinedinTheDangerousSubstancesandExplosiveAtmospheresRegulations[14].
【中国标准分类号】:J98
【国际标准分类号】:91_140_65
【页数】:48P;A4
【正文语种】:英语


【英文标准名称】:Methodsofsoilinvestigationsforagriculturalwaterengineering-Fieldtests-Part13:Determinationofcarbonate,sulfide,ph-valueandiron(II)-ions
【原文标准名称】:农业水利工程中土壤调查方法.野外试验.第13部分:碳酸盐、硫化物、pH值和二价铁离子测定
【标准号】:DIN19682-13-1997
【标准状态】:作废
【国别】:德国
【发布日期】:1997-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:野外试验;测定;水利工程;水常规;试验报告;铁;方法;碳酸盐;pH值;农业;农业工程;定义;试验;土壤普查;离子;硫化物
【英文主题词】:Agriculturalengineering;Agriculture;Carbonates;Culturaltechnology;Definition;Definitions;Determination;Fieldtests;Hydraulicengineering;Investigations;Ions;Iron;Methods;pH;Soilculturalengineering;Soilsurveys;Sulphides;Testing;Waterpractice
【摘要】:Thedocumentspecifiesmethodsfordeterminationofcarbonate,sulfide,pH-valueandiron(II)-ionswithinthegroupofmethodsforsoulinvestigationsforagriculturalwaterengineering.
【中国标准分类号】:P13;B10
【国际标准分类号】:13_080_99;65_060_35
【页数】:4P;A4
【正文语种】:德语