Watlow Heater Catalog

Immersion Heaters

WATROD ANSI Flange Immersion Heaters

®

®

3"-150# FLANGE Application: Bunker C, Asphalt and #6 Fuel Oil

General Purpose

¾ in. NPT Knockout

0.475 in. (12.1 mm) Dia. Element

Thermowell

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

4 ⁄ in. (117.5 mm)

1

2 ¾ in. O.D. (70 mm)

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

“B”

3 ⁄ in. Dia. (92.1 mm)

3"-150# FLANGE

(2) ¾ in. NPT Hubs

0.475 in. (12.1 mm) Dia. Element

NEMA 4 Enclosure

Thermowell

0.475 in. (12.1 mm) Dia. Elements

¾ in. NPT Hubs

5 ⁄ in. (136.5 mm)

Thermowell

2

2 ¾ in. O.D. (70 mm) 2 ¾ in. (70 mm) O .D.

5 ⁄ in. (136 mm)

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

3 ⁄ in. Dia. (79.4 mm)

“B”

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

3 ⁄ in. (101 mm)

“B”

¾ in. (19 mm) NPT Knockout

“B” Dim. in. (mm)

Ship Wt. lbs (kg)

Part Number

Part Number NEMA 4 Enclosure

WATCONNECT Part Number

Immersion / 4-71

Description Volts kW Ph

General Purpose Enclosure

Type J T/C

Type K T/C

FMS733A12S FMS733A12W C2-50 C2-92 FMS733A13S FMS733A13W C2-43 C2-35 FMS748A12S FMS748A12W C2-50 C2-92 FMS748A13S FMS748A13W C2-43 C2-35 FMS764J12S FMS764J12W C2-50 C2-92 FMS764J13S FMS764J13W C2-43 C2-35 FMS777A12S FMS777A12W C2-50 C2-92 FMS777A13S FMS777A13W C2-43 C2-35

240 2.0 3 33 480 2.0 3 33 240 3.0 3 48 480 3.0 3 48

(838) 28 (13) (838) 28 (13) (1219) 32 (15) (1219) 32 (15)

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

240 4.0 3 64 1 / 2 (1638) 37 (17) 480 4.0 3 64 1 / 2 (1638) 37 (17)

240 5.0 3 77 480 5.0 3 77

(1956) 42 (19) (1956) 42 (19)

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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