Heater Catalog - Watlow

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High-Temperature HeatersCeramic Fiber HeatersHow to OrderMade-to-Order UnitsOrdering InformationQuantity: When ordering, specify quantity of unitsdesired. Semi-cylindrical units are sold as “each half.”Two halves to make a pair are usually required. Pleaseinclude the number of desired spares or extras in the totalquantity.Part number: Use the part number if an exact re-orderof a previously designed made-to-order unit is needed.Please reconfirm volts and watts, lead orientation andlength. Most heaters allow selection of several stockmodifications (see page 446) and termination options(see pages 440 and 441).Dimensions for made-to-order units: Include adrawing if possible. Specify the heated area, widthand length, overall width/length, thickness, electricalratings, etc.Wattage: 6.5 to 25 W/in 2 (1.0 - 3.9 W/cm 2 ) on theheating surface is the recommended watt density rangefor operation in the 1500 to 2200°F (815 - 1204°C)range. (Note: At the higher temperatures, lower wattdensities must be employed.) Please provide operatingtemperatures and conditions. Contact your Watlowrepresentative for higher watt densities at othertemperatures. Generally, for higher operating temperaturelimits, lower watt densities must be used.Voltage: 60, 120 and 240VAC are offered on units.However, up to 600 volts is possible with extendedcapabilities. Internally connected three-lead, three-phaseunits are also available on made-to-order units (these arenormally internally wye-connected). Contact your Watlowrepresentative on special voltage requirements.Leads: Lead length and orientation (i.e. Style A, Bor C). Lead Style A, 12 in. (305 mm) long.Shipping weight: The product listing tables show netweights per unit. To estimate gross shipping weight,add 30 percent to the total. Additional shipping/packaging charges may be incurred for certain largeorders. Due to the light weight but large size of theseheaters, dimensional box weighting may occur onexpedited air shipments.Ordering HintsOrdering ceramic fiber heaters is easy. However, it is veryimportant to pay attention to part numbers and specialmodifications details.• Always fill in the “..._...” (blank) code position with thecorrect Type number (see illustrations above the charts).• Always provide the correct Lead Style letter.(See suggested illustrations above the charts, butStyle A-12 will be the default lead if not otherwisespecified.)• Supply a drawing or sketch whenever possible toeliminate confusion.• When ordering Type 6, 7, 8 units, be certain of theheated area and no-heat area orientations desired.• When planning to order Type 2 and/or Type 3 units(left or right vestibule), there are three options toconsider—two of which could be used on the Type 1items:1. Order the appropriate full vestibule unit. The customercan carefully remove the unneeded vestibule.2. Order the full vestibule unit. Prior to shipping Watlowwill remove the unneeded vestibule as a stockmodification. There is a small additional charge forthis.3. Special order the desired Type 2 or 3 unit. Thisrequires extended manufacturing of the heater andincreases delivery time, but will minimize costs.456WATLOW ®
Specialty HeatersMax. Operating Typical Max.Temperatures Watt DensitiesSpecialty Heaters Sheath Materials °F °C W/in 2 W/cm 2 PageULTRAMIC ® AdvancedCeramicAluminum nitride 1112 600 1000 155 459Thick Film Conduction 430 stainless steel 1022 550 75 11.6 463Coil/Cable304 stainless steel or 1200 650 30 4.6 467alloy 600Specialty HeatersWATLOW ®457
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Table of ContentsWhat type of heate
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Watlow’s Lead Time OptionsTo rema
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Heater Selection MatrixHeating Liqu
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Heater Selection MatrixHeating With
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Cartridge/Insertion HeatersMax. Ope
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Cartridge/Insertion HeatersFIREROD
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Cartridge/Insertion HeatersMin. No-
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Cartridge/Insertion HeatersExtended
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Cartridge/Insertion HeatersMetric F
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Tubular HeatersMax. Operating Typic
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Tubular HeatersWATROD Single/Double
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1" A1"Tubular HeatersWATROD Single/
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Tubular HeatersWATROD 1- 9WATROD 1-
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WATROD 1- 19Tubular HeatersWATROD S
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R 2R 2BWATROD 1- 31Tubular HeatersW
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figure 47 newTubular HeatersWATROD
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WATROD 2BTubular HeatersWATROD Sing
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Tubular HeatersThreaded Stud Termin
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Tubular HeatersExtendedCapabilityEx
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Tubular HeatersWATROD Double-Ended
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Tubular HeatersExtendedCapabilityWA
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Tubular HeatersExtendedCapabilityWA
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Tubular HeatersFIREBAR ® Single/Do
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1" 1" (25 (25 mm) mm)Min. Min. No N
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DDTubular HeatersFIREBAR Single/Dou
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Tubular HeatersFIREBAR Single/Doubl
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Tubular HeatersAFIREBAR Single/Doub
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Tubular HeatersFINBAR Single-Ended
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Flexible HeatersMax. Operating Typi
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Flexible HeatersFlexible Shapes and
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Flexible HeatersSilicone Rubber Hea
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Flexible HeatersLine HeatingModular
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Flexible HeatersLine HeatingSTRETCH
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Flexible HeatersLine HeatingSTRETCH
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Flexible HeatersPolyimide HeatersTe
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Flexible HeatersPolyimide HeatersSp
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Flexible HeatersSERIES EHGTechnical
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Flexible HeatersSERIES EHG SL10Tech
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Flexible HeatersSERIES EHG SL10Tech
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Flexible HeatersSERIES EHG CLTechni
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Flexible HeatersSERIES EHG CLTechni
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Immersion HeatersMax. Operating Typ
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Immersion HeatersWATROD and FIREBAR
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Immersion Heaters1" WATROD45⁄8 in
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Immersion Heaters¾ in. NPT Knockou
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Thermowell2.50" WATROD195½ in. Dia
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Immersion Heaters1.25" FIREBAR11WAT
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Immersion Heaters2" WATRODWATROD an
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Stand-offTerminalEnclosureConduitOp
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Direction of FlowImmersion HeatersW
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7½ in. Ref.(191 mm)75⁄8 in.(193.
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5"-150# FLANGEImmersion HeatersTher
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4"-150# FLANGEImmersion HeatersWATR
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6"-150# FIREBAR FLANGEImmersion Hea
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Immersion HeatersExtendedCapability
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Immersion HeatersOver-the-Side Heat
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Immersion HeatersOver-the-Side Heat
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Immersion HeatersFIREROD ® Immersi
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Immersion HeatersFIREROD Immersion
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Circulation HeatersMax. Operating T
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Circulation HeatersSTARFLOW Heaters
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Circulation HeatersWATROD and FIREB
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3½ in.Circulation HeatersWATROD an
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½ in.NPT DrainCirculation HeatersW
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Circulation Heaters2 1/2 NPTSCREW P
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4"-150# 4"-150#FLANGE FLANGE513⁄1
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(163.5 mm)Circulation HeatersB¾ in
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4"-150# 4"-150#FLANGE FLANGE513⁄1
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(163.5 mm)67⁄16 in. Ref.(163.5 mm
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FLANGE½ in.NPT DrainCirculation He
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Fluid Delivery HeatersMax. Operatin
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Fluid Delivery HeatersExtendedCapab
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Fluid Delivery HeatersExtended Capa
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Air HeatersDuct HeatersLDH SERIES a
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Air HeatersDuct HeatersLDH SERIESAp
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Air HeatersDuct HeatersD SERIES®®
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Air HeatersDuct HeatersD SERIES®®
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Page 405 and 406: Air HeatersDuct HeatersMDH SERIESWa
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Page 409 and 410: Air HeatersFinned Heaters375 Finned
Page 411 and 412: 10-24 Threaded Terminals1.18 in.(30
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Page 415 and 416: Air HeatersFinned HeatersFINBAR Sin
Page 417 and 418: Air HeatersEnclosure HeatersWATROD
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Page 423 and 424: High-Temperature HeatersMax. Operat
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Page 459 and 460: Specialty HeatersULTRAMIC ® Advanc
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Page 467 and 468: Specialty HeatersCoil/Cable Heaters
Page 475 and 476: Strip/Clamp-On HeatersMax. Operatin
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Nozzle HeatersMineral Insulated (MI
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Nozzle HeatersPre-Coiled Cable Nozz
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Radiant HeatersMax. Operating Typic
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Radiant HeatersRAYMAX ® Panel Heat
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Radiant HeatersRAYMAX Panel Heaters
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2 15 /16 in. (74.6 mm)Radiant Heate
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Thermostats and AccessoriesThermost
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Thermostats and AccessoriesST10 and
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Thermostats and AccessoriesST10 and
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SPSTP1 L1Thermostats and Accessorie
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Thermostats and AccessoriesBulb and
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Thermostats and AccessoriesInternal
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Reference DataReference DataPower C
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Reference DataPower CalculationsCal
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Reference DataPower CalculationsCon
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Reference DataPower CalculationsCon
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Reference DataEquationsOhm’s LawV
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Reference DataWattage RequirementsT
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Reference DataTubular Elements and
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Agency Certifications, Recognition
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IndexIndexProduct Category Index...
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IndexProduct Category Index375 Finn
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IndexPart Number IndexPartPageNumbe
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Terms and Conditions of SaleQuantit
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