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		1-888-TC-OMEGA® (1-888-826-6342)US & CANADA 1-203-359-1660 INTERNATIONAL

Flanged Thermowells for 1/4 and 3/8 Inch Diameter Elements

SERIES 260F and 385F

•	Rugged Industrial Thermowell with Flange
•	Available in Carbon Steel and Stainless Steel
•	Standard lengths from 2 to 22 inches
•	Bore Diameters of 0.260 and 0.385 Inches

Application:
260F series fits standard length 1/4" diameter elements.
385F series fits standard length 3/8" diameter elements.
Flange Sizes:
1" and 11/2" flanges in all facings and pressure ratings are standard. Other sizes are available on application.
Materials:
Flanges and wells made of Carbon Steel (C-1018), A.I.S.I. 304, A.I.S.I. 316, and Monel are available for quick delivery. Other materials are available.

Protective Coatings for Thermowells:
• Resist Corrosion
• For Chemical Baths
• Color-Coded Sensors for Process Control
• Available in PFA, Epoxy and other materials.
Consult Sales Department for complete information
Welding:
Primary weld is “J” groove type; secondary weld is 45° bevel groove. Welding is performed by Navy certified welders using inert gas shielded arc.
Cap and Chain Options:
Consult sales.

Thermowell Dimensions
Model Number	Element Length A	Insertion Length U	Shank Diameter Q	Bore Diameter B
260F-U 2() U 4() U 7() U10() U13() U16() U22(*)	4 6 9 12 15 18 24	2 4 7 10 13 16 22	3/4 3/4 3/4 3/4 3/4 3/4 3/4	.260 .260 .260 .260 .260 .260 .260
385F-U 2() U 4() U 7() U10() U13() U16() U22(*)	4 6 9 12 15 18 24	2 4 7 10 13 16 22	7/8 7/8 7/8 7/8 7/8 7/8 7/8	.385 .385 .385 .385 .385 .385 .385

Flanges
Rating lb/in²	Size inch	Model Number (Flange Suffix)
150	1 1-1/2 2	1-150RF (or FF)() 11/2-150RF (or FF)() 2-150RF (or FF)(*)
300	1 1-1/2 2	1-300RF (or FF)() 11/2-300RF (or FF)() 2-300RF (or FF)(*)

*Insert code for material -304SS for 304 stainless steel,-316SS for 316 stainless steel, -CS for carbon steel
The thermowell and flange must
be made of the same material.

Part Number	Availability	Price	Description	RoHS
Examples of common part numbers are shown below. Please use the Part Number builder beneath this table to select your exact configuration.
260F-U4-304SS-1-150FF-304SS	4 Weeks	$185.00	304SS flanged thermowell with 0.260 in. bore diameter, 4 in. insertion length, 1.5 inch flat faced 150 lb flange
260F-U10-304SS-11/2-150FF-304S	4 Weeks	$265.00	304SS flanged thermowell with 0.260 in. bore diameter, 10 in. insertion length, 1.5 inch flat faced 150 lb flange
385F-U13-CS-2-150RF-CS	4 Weeks	$245.00	Carbon steel flanged thermowell with 0.385 in. bore diameter, 13 in. insertion length ,2 inch raised faced 150 lb flange
385F-U16-316SS-1-150FF-316SS	4 Weeks	$320.00	316SS flanged thermowell with 0.385 in. bore diameter, 16 in. insertion length 1 inch flat faced 150 lb flange

† All dollar amounts on this site are shown in US currency.

Note: Consult factory for recommendations as to pressure and temperature ratings for flanged thermowells.

Part Number Builder

(1)

F-U

(2)

(3)

(4)

(5)

(6)

(7)

Option Descriptions

(1)

Bore Diameter

Select
260 for 0.260 inch bore diameter
385 for 0.385 inch bore diameter

(2)

Insertion Length

Select
2 for 2 inches
4 for 4 inches
7 for 7 inches
10 for 10 inches
13 for 13 inches
16 for 16 inches
22 for 22 inches

(3)

Well Material(must be same as flange material)

Select
304SS for 304 stainless steel
316SS for 316 stainless steel
CS for carbon steel

(4)

Flange Size

Select
1 for 1 inch
11/2 for 1.5 inches
2 for 2 inches

(5)

Flange Rating

Select
150 for 150 PSI
300 for 300 PSI

(6)

Flange Face

Select
RF for raised face
FF for flat face

(7)

Flange Material(must be same as well material)

Select
304SS for 304 stainless steel
316SS for 316 stainless steel
CS for carbon steel

NOTE: All combinations may not be valid, check spec sheet for valid part numbers.