您的位置: 标准下载 » 协会标准 » SAE 美国机动车工程师学会 »

SAE J1771 Criteria for Refrigerant Identification Equipment for Use with Mobile Air-Conditioning Systems (STABILIZED May

作者:标准资料网 时间:2024-05-19 22:19:04  浏览:8608   来源:标准资料网
下载地址: 点击此处下载
Product Code:SAE J1771
Title:Criteria for Refrigerant Identification Equipment for Use with Mobile Air-Conditioning Systems (STABILIZED May 2011)
Issuing Committee:Interior Climate Control Committee
Scope:This SAE Standard applies to refrigerant identification equipment to be used for identifying refrigerant CFC-12 (R-12) and HFC-134a (R-134a) refrigerant when servicing a mobile A/C system or for identifying refrigerant in a container to be used to charge a mobile A/C system. Identification or other refrigerants are the option of the equipment manufacturer.
下载地址: 点击此处下载
【英文标准名称】:Specificationforinstallationofgas-firedforcedconvectionairheatersforcommercialandindustrialspaceheating(2ndand3rdfamilygases)
【原文标准名称】:商业和工业环境取暖(二类和三类家用煤气)用燃气强制对流式空气加热器的安装规范
【标准号】:BS6230-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-10-11
【实施或试行日期】:2005-10-11
【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】:空气;空气加热器;二氧化碳;一氧化碳;燃烧产物;商业的;交付使用;对流式加热器;管廊;流量率;烟道;燃气对流供暖;燃气动力装置;加热器;加热设备;工业的;检验;装配;使用说明;维修;数学计算;管道工程系统;位置;选择;对流式供暖系统;可移动的;通风;二类家用煤气;二类和三类家用煤气;
【英文主题词】:Air;Airheaters;Carbondioxide;Carbonmonoxide;Combustionproducts;Commercial;Commissioning;Convectionheaters;Ducts(buildingservices);Flowrates;Flues;Gasspaceheating;Gas-powereddevices;Heaters;Heatingequipment;Industrial;Inspection;Installation;Instructionsforuse;Maintenance;Mathematicalcalculations;Pipeworksystems;Position;Selection;Space-heatingsystems;Transportable;Ventilation;2ndfamilygases;3rdfamilygases
【摘要】:ThisBritishStandardspecifiestheinstallationrequirementsfordirectandindirectgas-firedforcedconvectionairheatersforspaceheatingthataredesignedforcommercialorindustrialapplicationsandtowhichtheGasAppliances(Safety)Regulations1995[1]apply.ThisstandardappliestotheinstallationofappliancesthataredesignedtoutilizegasesofGroupHofthesecondfamily(e.g.naturalgas),gasesofgroupPofthethirdfamily(e.g.propane)aswellasgasesofgroupBofthethirdfamily(e.g.butane)whensuppliedundertheconditionsofthethirdfamilypressurecouple(seeBSEN437:2003).NOTE1ThisstandarddoesnotspecificallycoverLPG/airforwhichadditionalrequirementsmightbenecessary.Thisstandardappliestotheinstallationofdirectgas-firedairheaterswithinthescopeofBSEN525:1998andtoindirectgas-firedforcedconvectionairheaterswithinthescopeofBSEN621:1998,BSEN1020:1998and,whereappropriate,BSEN1196:1998.Thesestandardscoverairheatershavinganetheatinputnotexceeding300kW.Thisstandardalsoappliestotheinstallationofdirectgas-firedairheaterswithinthescopeofBS5990:1990andtoindirectgas-firedforcedconvectionairheaterswithinthescopeofBS5991:1989.Thesestandardscoverairheatershavingagrossheatinputgreaterthan330kWbutnotexceeding2MW(1.8MWnet).NOTE2Forthepurposesofthisstandard,installationincludesdesign,inspectionandcommissioning.Itisrecognizedthateachofthetaskscanbeperformedatthesametimebydifferentpersons.NOTE3Theratioofgrosstonetheatinputisapproximately1.11:1forGroupH(naturalgas),1.09:1forgroupP(propane)and1.08:1forgroupB(butane).NOTE4Theventilationratesincm2/kWofheatinputgiveninthisstandardarebasedonthenetcalorificvalue.Thisstandardalsoappliestoairheatersdesignedtosupplymake-upair,doorcurtainheatersandtransportableairheaters.Italsocoversinstallationofheatersinareaswherepetroleumorotherflammableheavier-than-airvapourscanbepresent(see5.1.2).Itdoesnotincludethesafetyrequirementsforinstallationwhereflammabledusts,toxicgasesorflammablelighter-than-airgasesmightbepresentinsignificantquantities.NOTE5InsuchcasesitisessentialthatliaisontakesplacewiththeHealthandSafetyExecutive.ThisstandarddoesnotapplytotheinstallationofairheaterstowhichtheGasAppliances(Safety)Regulations1995[1]donotapply,orthataredesignedforuseindomesticpremises.
【中国标准分类号】:Q83
【国际标准分类号】:97_100_20
【页数】:36P.;A4
【正文语种】:英语