Product Code:SAE AS81935/6
Title:Bearing, Plain, Rod End, Self-Aligning, Self-Lubricating, Wide, Externally Threaded, Steel, Corrosion Resistant (CRES) -65 to +325 掳F
Issuing Committee:Acbg Plain Bearing Committee
Scope:Scope unavailable.【英文标准名称】:Installationandmaintenanceoffluesandventilationforgasappliancesofratedheatinputnotexceeding70kWnet(1st,2ndand3rdfamilygases)-Specificationforinstallationandmaintenanceofflues
【原文标准名称】:额定热输入不超过70kW的燃气灶的烟道及通风装置的安装和维修(1类和2类3类家用燃气).烟道的安装和维修规范
【标准号】:BS5440-1-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-12-15
【实施或试行日期】:2000-12-15
【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】:烟道;一类家用煤气;二类家用煤气;自然通风;通风;燃气动力装置;机械通风;维修;三类家用煤气;烟囱;装配;通风设备;排气系统
【英文主题词】:Chimneys;Exhaustsystems;Flues;Gas-powereddevices;Installation;Maintenance;Mechanicalventilation;Naturalventilation;Ventilation;Ventilationequipment;1stfamilygases;2ndfamilygases;3rdfamilygases
【摘要】:1EquipmentThisPartofBS5440specifiestheselection,design,installationandmaintenancerequirementsforfluesystemswhichformpartofaneworreplacementapplianceinstallationfordomesticorcommercialpurposes.Italsospecifiesrequirementsforconnectinggasappliancestoexistingflues.ItspecifiesnaturalandfanneddraughtfluesforapplianceswhichcarrytheCEmark,utilize1st,2ndor3rdfamilygasesandhaveratedheatinputsbasedonnet(lower)CalorificValue(CV)notexceeding70kW.ItmayalsobeusedforinstallationsofapplianceswhichdonotcarrytheCEmark,e.g.usedappliances,whereappropriate,providingtheappliancemanufacturer'sinstructionsareavailable.Insuchcircumstances,theinstallershouldensurethattheapplianceissafeinconstructionandcondition,andcanbeusedwithoutconstitutingadanger.Theratingof70kWappliestoanindividualapplianceconnectedtoafluesystemand,inthecaseofmorethanoneapplianceinthesameroomconnectedtoafluesystem,tothesumoftheratings.Forsharedflues,e.g.Se-ductsorU-ducts,theratingappliestotheindividualapplianceratingperdwelling.Thisstandarddealswiththecompleteflueequipmentfromtheapplianceconnection,tothedischargepointintooutsideair.Italsocoversfluesthatwereintendedoriginallyforappliancesburningotherfuelsbutwhicharesubsequentlyusedforgasappliances.ThisstandarddoesnotspecifyfluesystemsfordecorativefueleffectfireswhicharespecifiedinBS5871-3.Thisstandardspecifiesresidentialparkhomesbutnotleisureaccommodationvehicles.ThelatterarecoveredbyprEN1949orIGEdocumentUP/8[7].NOTE1Therangeofapplianceshasbeenamendedfrom60kWbasedongrossCVinthepreviousversionofthisstandardto70kWbasedonnetCVinordertoachievecompatibilitywiththegasapplianceproductstandards.Forinformationonfluesforapplianceshavingratedinputsexceeding70kW,referenceshouldbemadetoBS6644.AlthoughthepresentscopeofBS6644includestherange60kWgrossto70kWnet,thispartofBS5440shouldbeusedforfluesinthatrangesinceitcomprisesthemostup-to-datespecification.NOTE2Thisstandarddoesnotcovergas-firedincinerators.Suchappliancesrequirespecialconsiderationsbecauseofthehighfluegastemperaturestheygenerate.ForspecificinformationonincineratorsseeBS3813-1.NOTE3Theinstallershouldcheckthedatagivenwithanappliancetoestablishthebasisonwhichtheheatinputisgiven.Thedatainthisstandardreferstoheatinputexpressedintermsofnetcalorificvalues(CV)withconversiongivenfornaturalgasgrossCVquotedinbracketswhereappropriate.Theratioofgross:netheatinputisapproximately1.11:1fornaturalgas,1.09:1forpropaneand1.08:1forbutane.Forexample,convert9kWinputbasedongrossCVfornaturalgastotheequivalentnetCVinputasfollows:Netinput=9.0/1.11=8.1kW2CompetencyItisessentialthatpersonscarryingouttheinstallationofanygasapplianceanditsfluebecompetenttodoso,and,inthecaseofanyworkthatissubjecttothecurrentGasSafety(InstallationandUse)Regulations[1],itisessentialtocomplywiththeseregulations.Itisessentialthatpersonswhodesignthefluesystemshouldhavetheknowledgeandunderstandingofthestandardsandregulationsthatapplytoensurethatthecompletedplanswillproduceasafeandsatisfactoryinstallation.COMMENTARYANDRECOMMENDATIONSON1.2.Atthetimeofpublication,thebodywithHSEapprovaltooperateandmaintainaregisterofbusinesseswhoare"membersofaclassofpersons"istheCouncilforRegisteredGasInstallers(CORGI).ThusitisessentialthatallbusinessorselfemployedgasfittersshouldberegisteredwithCORGI.GuidanceontheindividualcompetencyrequiredforgasworkisgivenintheHealthandSafetyCommission'sApprovedCodeOf
【中国标准分类号】:P48
【国际标准分类号】:91_060_40
【页数】:96P.;A4
【正文语种】:英语