Heater Catalog (Section) - Immersion Heaters - Watlow

Immersion HeatersWATROD and FIREBAR ANSI FlangeImmersion Heaters®®Application: Bunker C, Asphalt 3"-150# FLANGE and#6 Fuel Oil• 3 inch - 150 lb ANSI flange• WATROD elements• Without thermostat• General purpose ormoisture-resistant enclosures• Single circuit3"-150# FLANGE11223"-150# FLANGE3"-150# FLANGE45⁄8 in.(117.5 mm)45⁄8 in.(117.5 mm)35⁄8 in. Dia.(92.1 mm)53⁄8 in.(136.5 mm)53⁄8 in.(136.5 mm)31⁄8 in. Dia.(79.4 mm)¾ in. NPT Knockout¾ in. NPT KnockoutThermowellThermowell4 in. (102 mm) Cold (Ref.)“B”4 in. (102 mm) Cold (Ref.)(2) ¾ in. NPT Hubs “B”35⁄8 in. Dia.Moisture (92.1 mm) ResistantThermowell(2) ¾ in. NPT HubsThermowell4 in. (102 mm) Cold (Ref.)“B”4 in. (102 mm) Cold (Ref.)0.475 in. (12.1 mm)Dia. Element0.475 in. (12.1 mm)Dia. Element0.475 in. (12.1 mm)Dia. Element0.475 in. (12.1 mm)Dia. Element31⁄8 in. Dia.“B”(79.4 mm)¾ in. (19 mm) NPT Knockout“B” Dim. Ship Wt.PartPartDescription Volts kW Ph in. (mm) lbs (kg) Number¾ in. (19 mm) Del. NPT Knockout Number Del.General Purpose Enclosure Moisture-Resistant Enclosure8 W/in 2 3240 2.0 3 33 (838) 28 (13) FMS733A12S RS FMS733A12W RSSteel Flange480 2.0 3 33 (838) 28 (13) FMS733A13S RS FMS733A13W RS3-Steel Elements240 3.0 3 48 (1219) 32 (15) FMS748A12S RS FMS748A12W RS(1.3 W/cm 2 )480 3.0 3 48 (1219) 32 (15) FMS748A13S RS FMS748A13W RS240 4.0 3 64 1 /2 (1638) 37 (17) FMS764J12S RS FMS764J12W RS480 4.0 3 64 1 /2 (1638) 37 (17) FMS764J13S RS FMS764J13W RS240 5.0 3 77 (1956) 42 (19) FMS777A12S RS FMS777A12W RS480 5.0 3 77 (1956) 42 (19) FMS777A13S RS FMS777A13W RSRAPID SHIP• RS - Next day shipmentup to 5 piecesGeneral Purpose2¾ in. O.D.(70 mm)2¾ in. O.D.(70 mm)2¾ in. O.D.(70 mm)2¾ in. O.D.(70 mm)Notes: • All flange bundles are designed to fit the inside diameterof the equivalent standard schedule pipe• For ANSI flange dimensions, reference chart on page 2413 Wired for 3-phase operation only296 WATLOW ®