0.260" Bore Diameter Threaded Heavy Duty Thermowells
Heavy Duty Threaded Thermowell for 1/4 Inch Diameter Elements
Volume discounts available
Volume Discount Schedule
| Quantity | Price each |
|---|---|
| 1-9 | $77.58 |
| 10-24 | $73.70 |
| 25-99 | $69.82 |
| 100-499 | $65.94 |
| 500-999 | $62.06 |
| 1000+ | $58.19 |
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- Rugged Thermowell for Industrial Use
- Available in Carbon Steel and Stainless Steel
- Standard Insertion Lengths from 2 1/2 to 22 1/2 Inches
- 3/4 Inch and 1 Inch External NPT Thread
1-260H-U21/2-304SS-CC Model Options
View all modelsEdit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.
*Highlighted options are not compatible. Please select a different combination.
External Thread
Material
Shank Diameter
Insertion Length
Pressure Rating
Features
Stem length/Probe Length
Pipe Size
Flange Size
Shank Style
Internal Thread
Bore Diameter
Well Type
Application:
Standard length, 1/4' 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' NPT 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 on your order. For 304 SS cap, add $7 to the price and add suffix “-CC (304SS)” to the end of the model number.
Series 260H—General Use
All dimensions in inches.
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* NPSM internal pipe thread will accept both NPT and NPS male threads.
Pressure-Temperature rating–lb per sq. inch
Standard length, 1/4' 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' NPT 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 on your order. For 304 SS cap, add $7 to the price and add suffix “-CC (304SS)” to the end of the model number.
Series 260H—General Use
All dimensions in inches.
* NPSM internal pipe thread will accept both NPT and NPS male threads.
| Ext. Th'd P | Model No. | Elem. Lgth. A | Insert. Lgth. U | Shank Dia. Q |
| 3/4' NPT | 3/4-260H-U 2 1/2 -U 4 1/2 -U 7 1/2 -U10 1/2 -U13 1/2 -U16 1/2 -U22 1/2 | 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 7/8 |
| 1' NPT | 1-260H-U 2 1/2 -U 4 1/2 -U 7 1/2 -U10 1/2 -U13 1/2 -U16 1/2 -U22 1/2 | 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 | 1 1/16 1 1/16 1 1/16 1 1/16 1 1/16 1 1/16 1 1/16 |
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 | – |
