459 Series 107 Low Differential Pressure Switches

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1、Series107LowDifferentialPressureSwitchesForm459LowDifferentialpressureswitchesforair&gasapplicationsSOR’slowdifferentialpressureswitchesarerobust,fieldmountedinstrumentsdesignedfortheprocessindustries.Theseinstrumentsaccuratelyreadverylowpressuresbyutilizingadiaphragmwithalargese

2、nsingarea.TheswitchingelementisSPDT.AnexternalSetPointadjustmentwithvisualindicationisstandard,allowingforsimplifiedcalibrationoftheswitch.ApplicationsBuilttohighqualitystandardsforreliability,thisNon-HazardousLocationsswitchissuitablefordraftrangescommonlyassociatedwithHVACappli

3、cationsandburnermanagementsystems.Itisalsosuitedforotherindustrialairandgasserviceswhicharecompatiblewiththewettedparts.Standardmodelsareavailableforweathertightorexplosionproofenvironments.•ExternalSetPointadjustmentwithvisualscale•FineSetPointresolutionHazardousLocations•Narrow

4、deadband•Highrepeatability•ULListedandCSACertifiedsnap-actionswitchingelements•Screwterminalsstandardonweathertightswitches;wireleadsstandardonexplosionproof•RuggeddesignFeaturesandBenefits•Three-yearwarrantyRegisteredQualitySystemtoISO90011LowDifferentialPressureSwitchesHowtoOrd

5、erHowtoOrderSelectmodelnumberfromtable.AccessorydesignatorsmaybeaddedafterF0Aifrequired.








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6、tSpecificationsElectricalHousingElectricalServiceTypeWeathertightNEMA4ContactformSPDTMaterial6063-T5aluminum*DCelectricalratingsareforresistiveloadsonly.Theymaynotbeagencyapproved,listedorcertified,PressurePortsbuthavebeenverifiedbytestingorexperience.MaterialPlatedcoldrolledstee

7、lConnectionsize1/8”NPT(F)TemperatureLimitsFor1/4”NPT(F),changeF0AtoF1Ainselectedmodel.Ambient-40to150°F(–40to65°C)Process-40to150°F(–40to65°C)WettedMaterialsBuna-N,brass,aluminum,cork,stainlesssteel,acrylicMaxSystemPressure10psig(.69bar)tubing,nylon,platedcoldrolledsteelVacuumpro

8、tectedto30"HgElectricalConnection3/4”NPT