Standard Threaded Thermowell for 1/4 Inch Diameter Elements |
| SERIES 260S |
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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:
1/2", 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.
Series 260S—General Use
Ext. Th’d,
P |
Model Number |
Stem
Lgth.
A |
Insert.
Lgth.
U |
Shank
Dia.
Q |
| 1/2" NPT | 1/2-260S-U 21/2
-U 41/2
-U 71/2
-U101/2
-U131/2
-U161/2
-U221/2 | 4
6
9
12
15
18
24 | 2 1/2
4 1/2
7 1/2
10 1/2
13 1/2
16 1/2
22 1/2 | ---
5/8
5/8
5/8
5/8
5/8
5/8 |
| 3/4" NPT | 3/4-260S-U 21/2
-U 41/2
-U 71/2
-U101/2
-U131/2
-U161/2
-U221/2 | 4
6
9
12
15
18
24 | 2 1/2
4 1/2
7 1/2
10 1/2
13 1/2
16 1/2
22 1/2 | ---
3/4
3/4
3/4
3/4
3/4
3/4 |
| 1" NPT | 1-260S-U 21/2
-U 41/2
-U 71/2
-U101/2
-U131/2
-U161/2
-U221/2 | 4
6
9
12
15
18
24 | 2 1/2
4 1/2
7 1/2
10 1/2
13 1/2
16 1/2
22 1/2 | ---
7/8
7/8
7/8
7/8
7/8
7/8 |
*Material – 304 SS, Carbon Steel, etc.
Pressure-Temperature rating–lb per sq. inch
| Material |
Temperature — °F |
| 70° |
200° |
400° |
600° |
800° |
1000° |
1200° |
| Brass | 5000 | 4200 | 1000 | – | – | – | – |
| Carbon Steel | 5200 | 5000 | 4800 | 4600 | 3500 | 1500 | – |
| A.I.S.I.-304 | 7000 | 6200 | 5600 | 5400 | 5200 | 4500 | 1650 |
| A.I.S.I.-316 | 7000 | 7000 | 6400 | 6200 | 6100 | 5100 | 2500 |
| Monel | 6500 | 6000 | 5400 | 5300 | 5200 | 1500 | – |
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† Price are shown in RMB.
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Part Number Builder |
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Option Descriptions
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(1)
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External Thread - NPT
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Select
1/2 for 1/2 Inch NPT
3/4 for 3/4 Inch NPT
1 for 1 Inch NPT
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(2)
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Insertion Length Dimension
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Select
21/2 for 2 1/2 in. Insertion Length
41/2 for 4 1/2 in. Insertion Length
71/2 for 7 1/2 in. Insertion Length
101/2 for 10 1/2 in. Insertion Length
131/2 for 13 1/2 in. Insertion Length
161/2 for 16 1/2 in. Insertion Length
221/2 for 22 1/2 in. Insertion Length
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(3)
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Material
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Select
304SS for 304 Stainless Steel
316SS for 316 Stainless Steel
CS for Carbon Steel
BRASS for Brass
ALUMINUM for Aluminum
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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