i n d u s t r i a lh e a t i n g

p r o d u c t s

e l e c t r i c h e a t i n g a n d c o n t r o l s

Tubular & Finned Tubular Elements

• Tubularapplications:Clamp-on,wrap-around,immersion,convectionorradiantheating.

• Finnedtubularapplications:Naturalconvectionorforceddraftspaceheating,indus-trialprocessairheating,preheat&reheat.

• Customdesignstofitthejob.• Singleendedterminationsavailable.• Manysheathmaterialsavailabledependingonapplication.• Options:Numerousterminations,insulatorsandseals,specialfittingsandmounting

platesavailable.• Standarddiametersinclude.250”,.260”,.312”/.315”,.375”,.430”,.475”,.490”and

.625”.• Lengthsinexcessof30feetunspliced.• ULRecognized,CSAApproved,andCEcertified.• Hermeticallysealedmilspecelements,qualifiedtoMIL-H-22594A.

Immersion Heaters HEATREXoffersawidevarietyofdesignsforheatinggases,liquidsandsoftmetalsbydirectimmersion.Standardunitsincopper,steel,stainlessandIncoloy;customunitsinmanydifferentsheath,screwplugandflangematerialsdependingonapplicationrequirements.Optionalliquidprooforexplosion-resistantterminalboxes,hermeticter-minalendseals,hightemperatureconstructionandbuilt-incontrols.ULListed,ULRecognized,CSAApproved,andCECertifieddesignsareavailable.

• PipeThread/ScrewPlugHeaters:1”–3”fittings.• FlangeHeaters:2”—24”ANSIFlangesto1500lbs.• Over-the-SideHeaters.• CoolingTowerHeaters.• BottomMountedHeaters.• TankHeaters.

HopperHeaters.•• Drywellheaters.• Opencoil,pipeinsertheaters.• CSAlistedpipethreadforhazardousareas.

Multi-Cell Cluster Heaters• Applications:Platens,ProcessEquipment,Superheatingofvariousmedia,Heat

treatingequipment,Holdingtanksformoltenmetals,Hightemperaturepreheatingforchemicalreactors,Exoticmaterialformingandfabrication,furnacesandhightemperatureovens.

• StainlessSteel,IncoloyandInconelsheathmaterials.• Extremelyhighoperatingtemperatures.• Abilityto“zone”individualandmultipleheatingelementsformostaccuratetem-

peraturecontrolofplatens.• Widevarietyofinternalandexternalelementdiameters.• Manyinternalelementconfigurationsmaximizeelementefficiency.• Multiplewiringoptionsallowformosteffectiveelectricaloutput.

Refrigeration Defrost Heaters• Applications:Electricdefrostingofcoilsandevaporatorpansforcommercialrefrig-

erationequipment.Maybeclampedtopipesortankstopromotedrainageandpreventfreezing.

• Customdesignstofitthejob.Moldedterminalssuitableforwetandmoistlocations.•

• Manystandardsizesinstockforquickshipment,fullyannealedtopermitbendingtoshapeinthefield.

• ULRecognizedandCSAApproved.Availablewithoptionalthermalcutoutsandfusiblelinks.•

Circulation HeatersDesignedtoheatliquids,gasesorvapors;includingair,heattransferfluids,helium,nitro-gen,oils,steamandwater.• ASMEdesignandcertificationavailable.• Horizontalorverticalmounting.• Outlettemperaturesupto1200°F.• Options:Stainlesssteel,weatherproofandexplosion-resistantconstructions;special

vesselandheatermaterials.• Remotepanels;sequencerorSCRcontrolinNEMA12,NEMA3R,NEMA4,NEMA4Xor

NEMA7enclosures.

Process Air/Duct HeatersDesignedforuseinovens,autoclavesandotherindustrialforcedairsystemsfordrying,bakingorheattreating.

• Foroutletairtemperatureupto1200°F.• Opencoil,tubularandfinnedtubulardesigns.• Standardratingsupto4,300kW;customapplicationsto12,000kW.• Options:Pressuretight,pressureplates,angleironframes,andcontrolsystems.• Remotepanels;sequencerorSCRcontrolinNEMA12,NEMA3R,NEMA4,NEMA4Xor

NEMA7enclosures.• CSAApproveddesignsavailable.

Storage Tank Heating SystemsUsedtoraiseormaintaintemperaturesupto1000°Fforawidevarietyofliquidsandgasesfoundinstoragetanksandprocessvessels.Lowwattdensityopencoilelementsrecommendedforheatingviscousandtemperaturesensitivematerialsincludingasphalt,chocolate,fueloils,pitch,resinsandtar.

• StorageTankHeaterswithbuilt-incontrols.• RailroadTankCarHeatersforrestoringheatlostduringtransitorliquefyingmaterialfor

drainingorpumpingoutoftankcars.• Lengthsupto40feet.• Flexibleelementdesignallowsinstallationintankswithaslittleas4feetclearanceto

obstructions,• Heatingelementsmayberemovedforinspectionorreplacementwithoutdrainingthe

tank.• OpencoilelementmustbeinstalledinHEATREXorcustomersuppliedpipe.• Conservativedesignensureslonglife.• Specialelementdesignresistsshockandvibration.

Heater Control PanelsHEATREXprovidestotalsystemresponsibilitywithcontrolsystemsengineeredtomatchHEATREXheatingequipment.

• FullproportionedSCRsystemwithPIDtemperaturecontrol.• ControlPanelenclosuresavailabletomeetNEMA1,4,4X,7,3R,and12standardsfor

indoororoutdoorlocations,hazardousornon-hazardousareas.• AllcomponentsarefactorymountedandwiredincompliancewithNEC.• ULListeddesignsavailable.• RS485communication,ULrecognized,1/16DINmanualover-temperaturecontroller

withresetareavailableoptions.• ULListedexplosion-proofpanelsforuseinClassI,Division2locations.

TheQuickShipTemperatureControlpanelprovidesfastshipment,precisetemperaturecontrol,compactpackaging,andispre-engineeredforresistiveloadapplications.Thepaneliscompletelyassembled,pre-wired,tested,andreadyfortrouble-freeinstallationandoperation.

Switchgear Space HeatersDesignedforthemaintenanceoftemperatureandforminimizingthebuildupofmois-•tureinsideenclosurescontainingsensitiveequipment.Switchgearspaceheatersarelessexpensivethanstripheatersandother,lessefficient•typesofheaters.Easyinstallation.•Longlifeelements.•Corrosionresistantmountingbracket(s)andprotectiveguard.•Availablewithintegralprewiredthermostatadjustablefrom30-150• oF.Optionalterminalcover.•Customassembliesavailable.•ULRecognizedandCSAApproved.•

Bolt Heaters HEATREXBoltHeatersareusedtopreheatlarge,hollowholdingboltsorstuds.•Providesahighconcentrationofheatforboltexpansioninashortperiodoftime.•Widelyusedinthemanufactureandservicingofsteamturbinesandotherpressure•equipment.Usedtoheatdieblocksandlargeplatensandtoexpandadjustingboltsonmechanical•orhydraulicpresses.HEATREXalsooffersstandardandcustombuiltstoragecartsandportabledistribution•centerswhichcanpowermultipleboltheatersatonce.Flexibleboltheaterswherespaceconstraintsposeaninstallationorremovalproblem.•Variouslead,plugsandgroundingdevicesareavailable.•120and240Voltavailable.•

Impedance Pipeline Heating Systems• Thepipebecomestheheatingelement,eliminatingheaterburnoutcommonwith

heattracingandothermaintenanceproblems.• Providesuniformheatingforviscousmaterialssotherearenohotspots.• Usedtoheatasphalt,chocolate,glue,molasses,paraffin,syrups,tar,wax,etc.• Usedtoheatairandothergasesupto1600°F.• HEATREXprovidessinglesourceresponsibilityfordesign,hardware,andstart-up

assistance.• Hardwareincludescontrolpanel,systemtransformer,thermocouplesensor,electrical

terminationsandisolationkits,asrequired.

BillTypewritten textContact: Power Modules Inc.4 raymond Drive, Suite CHavertown, PA 19003610-292-8900Fax: 610-292-8898Sales@pmiheat.comwww.pmiheat.com