Watlow Heater Catalog

Immersion Heaters

WATROD ANSI Flange Immersion Heaters

®

®

4"-150# FLANGE

Application: Bunker C, Asphalt and #6 Fuel Oil

General Purpose or NEMA 4 Enclosure

①

• 4 inch - 150 lb ANSI flange • WATROD elements • Without thermostat • General purpose or NEMA 4 enclosure

0.475 in. (12.1 mm) Dia. Element

Thermowell

5 ½ in. (140 mm)

3 ⁄ in. O.D. (98.4 mm)

3

4 in. (102 mm) Cold (Ref.)

“B”

8 in. (203 mm)

① The number and size of the conduit opening will comply with the National Electrical Code ® standards.

4"-150# FIREBAR FLANGE

# Circ.

“B” Dim. in. (mm)

Ship Wt. lbs (kg)

Part Number

Part Number NEMA 4 Enclosure

WATCONNECT Part Number

①

Description Volts kW Ph

Thermowell

Type K T/C 1 in. (25 mm) FIREBAR Element

General Purpose Enclosure

Type J T/C

4

5 ½ in. (140 mm)

3 ⁄ in. O.D. (98.4 mm)

240 5.0 3 1 40 1 / 2 (1029) 43 (20) 480 5.0 3 1 40 1 / 2 (1029) 43 (20) 240 6.0 3 1 48 (1219) 48 (22) 480 6.0 3 1 48 (1219) 48 (22) 240 8.0 3 1 64 1 / 2 (1638) 53 (24) 480 8.0 3 1 64 1 / 2 (1638) 53 (24) 240 10.0 3 1 77 (1956) 61 (28) 480 10.0 3 1 77 (1956) 61 (28)

8 W/in 2 3 Steel Flange 6-Steel Elements (1.3 W/cm 2 )

FOS740J12S FOS740J12W C2-50 C2-92 FOS740J13S FOS740J13W C2-43 C2-35 FOS748A12S FOS748A12W C2-50 C2-92 FOS748A13S FOS748A13W C2-43 C2-35 FOS764J12S FOS764J12W C2-50 C2-92 FOS764J13S FOS764J13W C2-43 C2-35 FOS777A12S FOS777A12W C2-50 C2-92 FOS777A13S FOS777A13W C2-43 C2-35 4 in. (102 mm) Cold (Ref.) “B” 8 ⁄ in. (212.7 mm)

Notes: • All flange bundles are designed to fit the inside diameter of the equivalent standard schedule pipe • For ANSI flange dimensions, reference chart on page 224 3 Wired for 3-phase operation only

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