SAE AMS5790 Steel, Corrosion and Heat-Resistant, Welding Wire 20Cr - 10Ni - 0.75Cb, High Ferrite Grade

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Product Code:SAE AMS5790
Title:Steel, Corrosion and Heat-Resistant, Welding Wire 20Cr - 10Ni - 0.75Cb, High Ferrite Grade
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant steel in the form of welding wire.
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基本信息
标准名称:带总线通信功能的智能测控节点
英文名称:General specification for intelligent measurement & control node with bus communication
中标分类: 仪器、仪表 >> 工业自动化仪表与控制装置 >> 自动控制与遥控装置
ICS分类: 机械制造 >> 工业自动化系统 >> 工业过程的测量与控制
发布部门:全国工业过程测量和控制标委会
发布日期:2002-12-27
实施日期:2003-04-01
首发日期:1900-01-01
作废日期:1900-01-01
归口单位:全国工业过程测量和控制标委会
出版社:机械工业出版社
出版日期:1900-01-01
页数:12 页
批文号:经贸委公告[2002]104
适用范围

本标准规定了带总线通信功能的智能测控节点产品的基本参数、技术要求、试验方法、检验规则、标志、包装、贮存和运输。

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所属分类: 仪器 仪表 工业自动化仪表与控制装置 自动控制与遥控装置 机械制造 工业自动化系统 工业过程的测量与控制
【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