Heavy Duty Threaded Well for 1/4" Diameter Elements
Series 260H

Application:
Standard
Length, 1/4" stem, bimetal thermometers; #20 gage thermocouple
elements; unarmored liquid-in-glass test thermometers. Other
temperature-sensing elements having .252 in. maximum diameter.
Connection Size: 3/4" and 1" NPT are standard. Other
thread sizes are available upon request.
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
Materials:
Brass (ASTM B-16); Carbon Steel (C-1018); Stainless Steel
A.I.S.I. 304 & A.I.S.I. 316; Monel. Wells are also available
in special materials; prices on request.
Cap and Chain Options:
For Brass cap, add $4 to price and add suffix “CC (Brass)”
to the end of the model number when you order.
For 304 SS cap, add $7 to the price and add suffix “CC
(304SS)” to the end of the model number. er.
Series
260H - General Use

All
dimensions in inches
* NPSM internal pipe thread will accept both NPT and NPS
male threads.
To Order (Specify
Model No.) Prices Shown in U.S. Dollars
| Ext.
Th'd P |
Model
No. |
Bore
Size (inch) |
Insertion
Length Dimension |
Stem
Lgth. A* |
Insert
Lgth. U |
Shank
Dia. Q |
|
3/4"
NPT
|
3/4-260H-U
2 1/2
|
3/4-260H
|
-U
2 1/2 ( )
|
4
|
2
1/2
|
7/8
|
|
3/4-260H-U
4 1/2
|
3/4-260H
|
-U
4 1/2 ( )
|
6
|
4
1/2
|
7/8
|
|
3/4-260H-U
7 1/2
|
3/4-260H
|
-U
7 1/2 ( )
|
9
|
7
1/2
|
7/8
|
|
3/4-260H-U
10 1/2
|
3/4-260H
|
-U
10 1/2 ( )
|
12
|
10
1/2
|
7/8
|
|
3/4-260H-U
13 1/2
|
3/4-260H
|
-U
13 1/2 ( )
|
15
|
13
1/2
|
7/8
|
|
3/4-260H-U
16 1/2
|
3/4-260H
|
-U
16 1/2 ( )
|
18
|
16
1/2
|
7/8
|
|
3/4-260H-U
22 1/2
|
3/4-260H
|
-U
22 1/2 ( )
|
24
|
22
1/2
|
7/8
|
|
1"
NPT
|
1-260H-U
2 1/2
|
1-260H
|
-U
2 1/2 ( )
|
4
|
2
1/2
|
1
1/16
|
|
1-260H-U
4 1/2
|
1-260H
|
-U
4 1/2 ( )
|
6
|
4
1/2
|
1
1/16
|
|
1-260H-U
7 1/2
|
1-260H
|
-U
7 1/2 ( )
|
9
|
7
1/2
|
1
1/16
|
|
1-260H-U
10 1/2
|
1-260H
|
-U
10 1/2 ( )
|
12
|
10
1/2
|
1
1/16
|
|
1-260H-U
13 1/2
|
1-260H
|
-U
13 1/2 ( )
|
15
|
13
1/2
|
1
1/16
|
|
1-260H-U
16 1/2
|
1-260H
|
-U
16 1/2 ( )
|
18
|
16
1/2
|
1
1/16
|
|
1-260H-U
22 1/2
|
1-260H
|
-U
22 1/2 ( )
|
24
|
22
1/2
|
1
1/16
|
(
) Material – 304 SS, Carbon Steel, etc.
*When ordering probes with NPT fittings, specify this
stem length.
To
order, please specify:
1. Complete Model Number
2. Material
3. Cap & Chain–If Desired
These
wells are compatible with NEWPORT® NB1, NB2, PR12, PR14, and
NPT-style probes, as well as DialTemp™ Thermometers.
Pressure-Temperature
rating–lb per sq. inch
| Material |
Temperature — °F |
| 70° |
200°
|
400° |
600° |
800° |
1000° |
1200° |
|
Brass
|
5300
|
4750
|
1100
|
-
|
-
|
-
|
-
|
|
Carbon
Steel
|
5950
|
5750
|
5450
|
5250
|
4000
|
1750
|
-
|
|
A.I.S.I.
- 304
|
7800
|
7050
|
6400
|
6150
|
6000
|
5190
|
1875
|
|
A.I.S.I.
- 316
|
7800
|
7800
|
7250
|
7100
|
6950
|
5800
|
2720
|
|
Monel
|
7450
|
6850
|
6150
|
6100
|
5940
|
1750
|
-
|
|
|
|
|
† All dollar amounts on this site are shown in US currency.
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Part Number Builder |
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Option Descriptions
|
|
(1)
|
External thread - NPT
|
| |
Select 3/4 for 3/4 in. 1 for 1 in.
|
(2)
|
Insertion length dimension
|
| |
Select 21/2 for 2 1/2 in. 41/2 for 4 1/2 in. 71/2 for 7 1/2 in. 101/2 for 10 1/2 in. 131/2 for 13 1/2 in. 161/2 for 16 1/2 in. 221/2 for 22 1/2 in.
|
(3)
|
Material
|
| |
Select 304SS for 304 SS 316SS for 316 SS CS for Carbon Steel BRASS for Brass
|
| NOTE: All combinations may not be valid, check spec sheet for valid part numbers. |
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Keywords: Heavy Duty Threaded Thermowell for 1/4 Inch Diameter Elements
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