Watlow Heater Catalog

Circulation Heaters

STARFLOW Heaters

10 in. (254 mm)

9.25 in. (235 mm)

ø.3.5 in. (89 mm)

ø.2.5 in.

1.26 in. Ref. (32 mm)

(64 mm)

Process T/C Fitting

4 in. (102 mm)

2 in. (51 mm)

Inlet Tube

Outlet Tube

Heater Adapter Exit

O-Ring Groove

1.32 in. Ref. (34 mm)

0.25 in. (6 mm)

ø3 in. (76 mm) B.C. (8) : ¼ -20 Threads

Ordering Information

Part Number

⑨⑩ ⑪

⑫

① ②

③ ④ ⑤ ⑥ ⑦⑧

⑭

⑬

Internal T/C Calibration (Heater)

Surface Finish of Assembly and Heater

Process T/C Calibration (Assembly)

O-Ring Material

Type of Inlet

Type of Outlet

Heater Wattage

C H

③ ④

Type of Inlet

Surface Finish of Assembly and Heater

⑫

ET = 1 / 4 in. (6 mm) O.D. tube JT = 1 / 2 in. (13 mm) O.D. tube

X = Unfinished E = Electropolished

⑬

Type of Outlet

⑤ ⑥

Process Thermocouple Calibration (Assembly)

ET = 1 / 4 in. (6 mm) O.D. tube JT = 1 / 2 in. (13 mm) O.D. tube

J = Type J K = Type K

⑭

⑦⑧⑨⑩

Heater Wattage

O-Ring Material

0375 = 120V, 375 W 0500 = 120V, 500 W 0750 = 120V, 750 W 1500 = 240V, 1500 W 2000 = 240V, 2000 W 3000 = 240V, 3000 W

A = FKM (FPM) 500°F (260°C) M = Alloy X750 1300°F (704°C) T = PTFE encapsulated FKM (FPM) 392°F (200°C)

⑪

Internal Thermocouple Calibration (Heater)

J = Type J K = Type K

302