lnstructionManualForm1570TypesgBLandgBHApril2009\,!Types98Land98HBackpressureRegulatorsandReIiefVaIves曦TYPE98I-1OR98HMFigure1.='cesw6156TYPE98LiaL3.J98HBackpressureRegulatorsandReliefValvesFailuretofollowtheseinstructionsortoproperlyinstallandmaintainthisequipmentcouldresultinanexplosion,fireand/orchemicalcontaminationcausingpropertydamageandpersonalinjuryordeath.Fisher@backpressureregulatorsandreliefvalvesmustbeinstalled,operated,andmaintainedinaccordancewithfederal.state,andlocalcodes,rules,andregulations,andmanufacturer'sinstructions.lfaleakdevelopsoriftheoutletcontinuallyventsgas,servicetotheunitmayberequired.Failuretocorrecttroublecouldresultinahazardouscondition.Onlyaqualifiedpersonmustinstallorservicetheunit.Installation,operation,andmaintenanceprocedurespedormedbyunqualifiedpersonnelmayresultinimproperadjustmentandunsafeoperation.Eitherconditbnmayresultinequipmentdamageorpersonalinjury.Usequalifiedpersonnelwheninstalling,operating,andmaintainingthe98Seriesbackpressureregulatorsandreliefvalves.lntroductionScopeoftheManualThismanualprovidesinstructionsfortheinstallation,maintenance,andpartsorderinginformationofTypes98Land9BHBackpressureRegulatorsandReliefValves.Instructionsandpartslistsforotherequipmentmentionedinthisinstructionmanualarefoundinseparatemanuals.DescriptionTypes98Land98Haredirect-operated,spring-loadedbackpressureregulatorsorreliefvalves.Typicalapplicationsincludeuseinwashtanks,smallheaters,fuelandoillines,airsupplysystems,testfixtures,andsterilizers.Reliefpressurerangesare2to38psig(0,14to2,6bar),infourranges,forType98Land15曰MERsONⅡΝ←0×∞∽Ν00一0F■sHEⅡε\?fr*l,lr:r,:.\'l;ili:'1,1::'i'.r,:r':iTypesgBLand98HSpecificationsAvailableConstructionsType98L:Direct-operatedlow-pressurebackpressureregulator/reliefvalvewithinternalpressureregistrationandstandardadjustingscrewfor2to38psig(0,14to2,6bar)setpressurerangeType98H:Direct-operatedhigh-pressurebackpressureregulator/reliefvalvewithinternalpressureregistrationandstandardadjustingscrewfor5to200psig(0,34to13,8bar)setpressurerangeType98HM:Direct-operatedhigh-pressurebackpressureregulator/reliefvalvewithexternalpressureregistrationandstandardadjustingscrewfor5to275psig(0,34to19,0bar)setpressurerangeBodySizesandEndConnectionStylesMaxi1ηumColdWorkingPressuresofBodysizeandMaterials(1)(2)ShutoffClassificationPerANSI/FCl70-2MetalSeats:ClasslVPTFE:ClasslVElastomerSeats:ClassVlTemperatureCapabiIitiesforElastomerParts(lx4)Fluorocarbon(FKMy5Type98HMSensingLineConnectionNPS1/2,'l-112,or2BodY:1/8NPTNPS3/4or1BodY:1/4NPTPressureRegistrationTypes98Land98H:InternalType98HM:Externa'Options.HandwheelorteehandleforTypes98Land9BH.TappedspringcaseventforTypes98L'98H,and98HMSealwashertopermitspringcasepressureloadingforTypes98L,98H,and9BHMApproxi:ηate、″eightsType98L/VPS彳〃BOdyJ6pOunds(3kg)ⅣPS彳/2rDⅣ彳g:odyf13pounds(6kg)NPS3仰(DⅣ2O,B。cyy∶30pounds(14kg)A/PS彳rDrV2g:odr30poundS(14kg)Type98HⅣPS彳/4BOdyJ7pounds(4kg)/VPSV/9rDrvvs,BOcyy∫7pounds(2kg)ⅣPS3彳rDⅣ2⑺:odyf16pOunds(7kg)NPS彳(DⅣ2gB。dyj16pOunds(7kg)ⅣPS彳-彳/2rDN亻‘v:Ocyyf55pounds⑿5kg)NPS2(DN5O,BOdyJ55pounds(25kg)Type98HM/VPS彳”rDⅣ彳g:oc/yj8pounds(4kg)NPS冫亻Or彳rDN20or2gB。σyj2opounds(9kg)NPS仁彳趁Or2rDⅣ亻Oor5O,蚋△73p°undslS3kg)辶FlowCoe仟iCientC1∶35lECsizingCoe矸iCientsReliefPressureRangesSeeTables1and2.1TheDressure/lemoeraturelimitsinthisinstru...
