Watlow Heater Catalog

Immersion Heaters

WATROD and FIREBAR Screw Plug Immersion Heaters

®

®

Application: Process Water • 1 1 / 4 inch NPT screw plug

General Purpose

¾ in. NPT Knockout

Thermowell

1 in. (25 mm) FIREBAR Element

• FIREBAR elements • Without thermostat • General purpose enclosure

1 ⁄ in. (34.9 mm) Bundle

4 ⁄ in. Dia. (117.5 mm)

9

"B" 3 ⁄ in. (98.4 mm) Cold (Ref.)

• Moisture/Explosion-Resistant enclosure (suitable for use in non-classified areas only) 1.25" FIREBAR

4 in. (102 mm)

Moisture/Explosion- Resistant

¾ in. NPT Hubs

Thermowell

1 in. (25 mm) FIREBAR Element

1 ⁄ in. (34.9 mm) Bundle

5 ⁄ in. Dia. (136.5 mm)

10

3 ⁄ in. (98.4 mm) Cold (Ref.)

5 ⁄ in. (150.8 mm)

"B"

WATCONNECT Part Number

WATCONNECT Part Number

“B” Dim. in. (mm)

Part Number

Ship Wt. lbs (kg)

Part Number 5

Ship Wt. lbs (kg)

Description Volts kW Ph

Type J T/C

Type K T/C

Type J T/C

Type K T/C

General Purpose Enclosure

Moisture/Explosion- Resistant Enclosure

45 W/in 2 8 304 SS Plug 1-Alloy 800 Element (7 W/cm 2 )

(330) BDNF13A27S

C2-50 C2-92 BDNF13A27C C2-50 C2-92 BDNF15J27C C2-50 C2-92 BDNF18A27C C2-50 C2-92 BDNF22J27C C2-43 C2-35 BDNF22J28C C2-50 C2-92 BDNF27J27C C2-43 C2-35 BDNF27J28C C2-50 C2-92 BDNF32J27C C2-43 C2-35 BDNF32J28C C2-50 C2-92 BDNF42A27C C2-43 C2-35 BDNF42A28C C2-50 C2-92 BDNF51J27C C2-43 C2-35 BDNF51J28C

C3-94 C3-93 C3-94 C3-93 C3-94 C3-93 C3-94 C3-93 C3-116 C3-118 C3-94 C3-93 C3-116 C3-118 C3-94 C3-93 C3-116 C3-118 C3-94 C3-93 C3-116 C3-118 C3-94 C3-93 C3-116 C3-118

240 2.0 3 13

6 (3) 7 (4) 8 (4) 9 (4) 9 (4) 10 (5) 10 (5) 11 (5) 11 (5) 13 (6) 13 (6) 15 (7) 15 (7)

9 (4) 10 (5) 11 (5) 12 (6) 12 (6) 13 (6) 13 (6) 14 (7) 14 (7) 16 (8) 16 (8) 18 (9) 18 (9)

240 2.5 3 15 1 / 2 (394) BDNF15J27S

(457) BDNF18A27S

240 3.0 3 18

240 4.0 3 22 1 / 2 (572) BDNF22J27S 480 4.0 3 22 1 / 2 (572) BDNF22J28S 240 5.0 3 27 1 / 2 (699) BDNF27J27S 480 5.0 3 27 1 / 2 (699) BDNF27J28S 240 6.0 3 32 1 / 2 (826) BDNF32J27S 480 6.0 3 32 1 / 2 (826) BDNF32J28S

(1067) BDNF42A27S (1067) BDNF42A28S

240 8.0 3 42 480 8.0 3 42

240 10.0 3 51 1 / 2 (1308) BDNF51J27S 480 10.0 3 51 1 / 2 (1308) BDNF51J28S

Note: All screw plug bundles are designed to fit the inside diameter of the equivalent mating coupling. They will not fit into the equivalent pipe inside diameter. 5 No third party recognition 8 Can be wired for 1-phase operation

169