Heater Catalog (Section) - Immersion Heaters - Watlow

Immersion HeatersWATROD and FIREBAR ANSI FlangeImmersion Heaters®®Application: Medium Weight Oils andHeat Transfer Oils• 4 inch - 150 lb ANSI flange• WATROD elements• Without thermostat3• General purpose ormoisture-resistant enclosures4"-150# FLANGEGeneral Purpose andMoisture Resistant5½ in.(140 mm)8 in.(203 mm)Thermowell4 in. (102 mm) Cold (Ref.)“B”0.475 in. (12.1 mm) Dia. Element37⁄8 in. O.D.(98.4 mm)16 W/in 2 3Steel Flange6-Alloy 800Elements(2.5 W/cm 2 )4"-150# FIREBAR FLANGE“B” Dim.in. (mm)#Ship Wt. PartPartDescription Volts kW Ph Circ.lbs (kg) Number Del. Number Del.General Purpose EnclosureThermowell Moisture-Resistant 1 in. (25 mm) Enclosure240 3.0 3 1 13 1 FIREBAR Element/2 (343) 29 (14) FON713J12S RS FON713J12W RS45½480 3.0 3 1 13 1 in.37⁄8 in. O.D./2 (140 (343) mm) 29 (14) FON713J13S RS FON713J13W (98.4 RS mm)240 4.0 3 1 18 (457) 32 (15) FON718A12S RS FON718A12W RS480 4.0 3 1 18 (457) 32 (15) FON718A13S 4 in. (102 mm) Cold (Ref.) RS FON718A13W RS“B”240 5.0 3 1 20 1 83⁄8 in./2 (521) 34 (212.7(16) mm) FON720J12S RS FON720J12W RS480 5.0 3 1 20 1 /2 (521) 34 (16) FON720J13S RS FON720J13W RS240 6.0 3 1 25 1 /2 (648) 36 (17) FON725J12S RS FON725J12W RS480 6.0 3 1 25 1 /2 (648) 36 (17) FON725J13S RS FON725J13W RS240 8.0 3 1 33 (838) 39 (18) FON733A12S RS FON733A12W RS480 8.0 3 1 33 (838) 39 (18) FON733A13S RS FON733A13W RS240 10.0 3 1 40 1 /2 (1029) 43 (20) FON740J12S RS FON740J12W RS480 10.0 3 1 40 1 /2 (1029) 43 (20) FON740J13S RS FON740J13W RS240 12.0 3 1 48 (1219) 48 (22) FON748A12S RS FON748A12W RS480 12.0 3 1 48 (1219) 48 (22) FON748A13S RS FON748A13W RSRAPID SHIP• RS - Next day shipmentup to 5 pieces1 The number and size of the conduit opening will comply with theNational Electrical Code ® standards.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 onlyWATLOW ®287