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Thermowell Material Thermowell Material |
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About Selecting Temperature Sensors
More
Thermowells
Protect thermometers and temperature probes from pressure, vibration, shock, and corrosion in tanks and pipelines. These thermowells isolate the contents of your process, so you can replace temperature sensors without stopping flow or draining the system.
304 stainless steel thermowells are more corrosion resistant than brass thermowells.
316 stainless steel thermowells are extremely resistant to corrosive chemicals.
For Thermometer | Thermowell Connection | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stem Lg. | Stem Dia. | Connection Pipe Size | Connection Thread Type | Connection Gender | Pipe Size | Thread Type | Gender | Max. Temperature, ° F | Max. Pressure | Nut Lg. | Insertion Lg. | Each | |
Brass | |||||||||||||
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 400° | 5,000 psi @ 70° F | 1 1/16" | 1 1/8" | 0000000 | 000000 |
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 3/8" | 1 5/8" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 2 1/2" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 2 1/2" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 400° | 5,000 psi @ 70° F | 3/4" | 2 1/2" | 0000000 | 00000 |
| 4" | 3/8" | 1/2 | NPT | Male | 1/2 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 2 1/2" | 00000000 | 00000 |
| 4" | 3/8" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 2 1/2" | 00000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 4 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 4 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 400° | 5,000 psi @ 70° F | 3/4" | 4 1/2" | 0000000 | 00000 |
| 6" | 3/8" | 1/2 | NPT | Male | 1/2 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 4 1/2" | 00000000 | 00000 |
| 6" | 3/8" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 4 1/2" | 00000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 7 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 7 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 400° | 5,000 psi @ 70° F | 3/4" | 7 1/2" | 0000000 | 00000 |
| 9" | 3/8" | 1/2 | NPT | Male | 1/2 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 7 1/2" | 00000000 | 00000 |
| 9" | 3/8" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 7 1/2" | 00000000 | 00000 |
| 12" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 10 1/2" | 0000000 | 00000 |
| 12" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 10 1/2" | 0000000 | 00000 |
| 12" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 400° | 5,000 psi @ 70° F | 3/4" | 10 1/2" | 0000000 | 00000 |
| 18" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 16 1/2" | 0000000 | 000000 |
| 18" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 16 1/2" | 0000000 | 000000 |
| 24" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 1" | 22 1/2" | 0000000 | 000000 |
304 Stainless Steel | |||||||||||||
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1 1/16" | 1 1/8" | 0000000 | 00000 |
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/8" | 1 5/8" | 0000000 | 00000 |
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1000° | 5,000 psi @ 70° F | 5/8" | 1" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 2 1/2" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 2 1/2" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 2 1/2" | 0000000 | 00000 |
| 4" | 3/8" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 2 1/2" | 00000000 | 00000 |
| 4" | 3/8" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 2 1/2" | 00000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 4 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 4 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 4 1/2" | 0000000 | 00000 |
| 6" | 3/8" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 4 1/2" | 00000000 | 00000 |
| 6" | 3/8" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 4 1/2" | 00000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 7 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 7 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 7 1/2" | 0000000 | 00000 |
| 9" | 3/8" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 7 1/2" | 00000000 | 00000 |
| 9" | 3/8" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 7 1/2" | 00000000 | 00000 |
| 12" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 10 1/2" | 0000000 | 00000 |
| 12" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 10 1/2" | 0000000 | 00000 |
| 12" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 10 1/2" | 0000000 | 000000 |
| 18" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 16 1/2" | 0000000 | 000000 |
| 18" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 16 1/2" | 0000000 | 000000 |
| 24" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 22 1/2" | 0000000 | 000000 |
316 Stainless Steel | |||||||||||||
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1 1/16" | 1 1/8" | 0000000 | 00000 |
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/8" | 1 5/8" | 0000000 | 00000 |
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1000° | 5,000 psi @ 70° F | 5/8" | 1" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 2 1/2" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 2 1/2" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 2 1/2" | 0000000 | 00000 |
| 4" | 3/8" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 2 1/2" | 00000000 | 00000 |
| 4" | 3/8" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 2 1/2" | 00000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 4 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 4 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 4 1/2" | 0000000 | 00000 |
| 6" | 3/8" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 4 1/2" | 00000000 | 00000 |
| 6" | 3/8" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 4 1/2" | 00000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 7 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 7 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 7 1/2" | 0000000 | 000000 |
| 9" | 3/8" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 7 1/2" | 00000000 | 00000 |
| 9" | 3/8" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 7 1/2" | 00000000 | 00000 |
| 12" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 10 1/2" | 0000000 | 000000 |
| 12" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 10 1/2" | 0000000 | 000000 |
| 12" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 10 1/2" | 0000000 | 000000 |
| 18" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 16 1/2" | 0000000 | 000000 |
| 18" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 16 1/2" | 0000000 | 000000 |
| 24" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 1" | 22 1/2" | 0000000 | 000000 |
Heavy Duty Thermowells
Thick walls and a tapered shank shield thermometers and temperature probes from higher pressure and flow than other thermowells.
304 stainless steel thermowells are more corrosion resistant than brass thermowells.
316 stainless steel thermowells are extremely resistant to corrosive chemicals.
For Thermometer | Thermowell Connection | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stem Lg. | Stem Dia. | Connection Pipe Size | Connection Thread Type | Connection Gender | Pipe Size | Thread Type | Gender | Max. Temperature, ° F | Max. Pressure | Nut Lg. | Insertion Lg. | Each | |
Brass | |||||||||||||
| 4" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 3/4" | 2 1/2" | 00000000 | 000000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 400° | 5,000 psi @ 70° F | 3/4" | 2 1/2" | 00000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 3/4" | 4 1/2" | 00000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 3/4" | 7 1/2" | 00000000 | 00000 |
| 12" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 3/4" | 10 1/2" | 00000000 | 00000 |
304 Stainless Steel | |||||||||||||
| 4" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 2 1/2" | 00000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 2 1/2" | 00000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 4 1/2" | 00000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 7 1/2" | 00000000 | 00000 |
| 12" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 10 1/2" | 00000000 | 00000 |
316 Stainless Steel | |||||||||||||
| 4" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 2 1/2" | 00000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 2 1/2" | 00000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 4 1/2" | 00000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 7 1/2" | 00000000 | 00000 |
| 12" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3/4" | 10 1/2" | 00000000 | 000000 |
Food and Beverage Thermowells with
Sanitary Quick-Clamp Connection
Isolate thermometers and temperature probes from the contents of dairy and food-processing equipment with these 3-A certified thermowells that have a sanitary quick-clamp connection for easy removal. They require a quick-clamp fitting (not included) for installation.
For Thermometer | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Stem Lg. | Stem Dia. | Connection Pipe Size | Connection Thread Type | Connection Gender | Nut Lg. | Insertion Lg. | Flange OD | Specifications Met | Each | |
316 Stainless Steel | |||||||||||
| 1", 1 1/2" | 2 1/2" | 1/4" | 1/2 | NPT | Male | 1 1/16" | 1 5/8" | 1.984" | 3-A Certified 74-06 | 0000000 | 000000 |
| 1", 1 1/2" | 4" | 1/4" | 1/2 | NPT | Male | 1 3/4" | 2 1/2" | 1.984" | 3-A Certified 74-06 | 0000000 | 000000 |
| 1", 1 1/2" | 6" | 1/4" | 1/2 | NPT | Male | 1 3/4" | 4 1/2" | 1.984" | 3-A Certified 74-06 | 0000000 | 000000 |
| 1", 1 1/2" | 9" | 1/4" | 1/2 | NPT | Male | 1 3/4" | 7 1/2" | 1.984" | 3-A Certified 74-06 | 0000000 | 000000 |
| 2" | 2 1/2" | 1/4" | 1/2 | NPT | Male | 1 1/16" | 1 5/8" | 2.516" | 3-A Certified 74-06 | 0000000 | 000000 |
| 2" | 4" | 1/4" | 1/2 | NPT | Male | 1 3/4" | 2 1/2" | 2.516" | 3-A Certified 74-06 | 0000000 | 000000 |
| 2" | 6" | 1/4" | 1/2 | NPT | Male | 1 3/4" | 4 1/2" | 2.516" | 3-A Certified 74-06 | 0000000 | 000000 |
| 2" | 9" | 1/4" | 1/2 | NPT | Male | 1 3/4" | 7 1/2" | 2.516" | 3-A Certified 74-06 | 0000000 | 000000 |
Weld-In Thermowells
To protect thermometers and temperature probes in steam lines and other high-temperature and high-pressure applications, these thermowells weld into place for a more secure connection than threaded thermowells.
For Thermometer | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stem Lg. | Stem Dia. | Connection Pipe Size | Connection Thread Type | Connection Gender | Max. Temperature, ° F | Max. Pressure | For Hole Diameter | Nut Length | Insertion Lg. | Each | |
304 Stainless Steel | |||||||||||
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 3/4" | 3/4" | 1" | 0000000 | 000000 |
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 1" | 3/4" | 1" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 3/4" | 3/4" | 2 1/2" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 1" | 3/4" | 2 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 3/4" | 3/4" | 4 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 1" | 3/4" | 4 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 3/4" | 3/4" | 7 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1650° | 3400 psi @ 1000° F | 1" | 3/4" | 7 1/2" | 0000000 | 000000 |
316 Stainless Steel | |||||||||||
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 3/4" | 3/4" | 1" | 0000000 | 00000 |
| 2 1/2" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 1" | 3/4" | 1" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 3/4" | 3/4" | 2 1/2" | 0000000 | 00000 |
| 4" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 1" | 3/4" | 2 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 3/4" | 3/4" | 4 1/2" | 0000000 | 00000 |
| 6" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 1" | 3/4" | 4 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 3/4" | 3/4" | 7 1/2" | 0000000 | 000000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1700° | 5200 psi @ 1000° F | 1" | 3/4" | 7 1/2" | 0000000 | 000000 |
Thermowells for Insulated Tanks
The extra-long nut on these thermowells lets you install thermometers and temperature probes through thick insulation.
304 stainless steel thermowells are more corrosion resistant than brass thermowells.
316 stainless steel thermowells are extremely resistant to corrosive chemicals.
For Thermometer | Thermowell Connection | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stem Lg. | Stem Dia. | Connection Pipe Size | Connection Thread Type | Connection Gender | Pipe Size | Thread Type | Gender | Max. Temperature, ° F | Max. Pressure | Nut Lg. | Insertion Lg. | Each | |
Brass | |||||||||||||
| 6" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 2 3/4" | 2 1/2" | 0000000 | 000000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 400° | 5,000 psi @ 70° F | 4" | 4 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 400° | 5,000 psi @ 70° F | 3 3/4" | 4 1/2" | 0000000 | 00000 |
304 Stainless Steel | |||||||||||||
| 6" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 2 3/4" | 2 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 4" | 4 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3 3/4" | 4 1/2" | 0000000 | 00000 |
316 Stainless Steel | |||||||||||||
| 6" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 2 3/4" | 2 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 1/2 | NPT | Male | 1600° | 7,000 psi @ 70° F | 4" | 4 1/2" | 0000000 | 00000 |
| 9" | 1/4" | 1/2 | NPT | Male | 3/4 | NPT | Male | 1600° | 7,000 psi @ 70° F | 3 3/4" | 4 1/2" | 0000000 | 00000 |
Thermocouple and RTD Protection Tubes
Designed for use with thermocouples and RTDs in large, nonpressurized tanks, these protection tubes are available in long lengths at a lower cost than thermowells.
Steel and 316 stainless steel protection tubes are more durable than ceramic protection tubes.
316 stainless steel protection tubes are extremely resistant to corrosive chemicals, and they can handle higher temperatures than steel protection tubes.
Ceramic protection tubes withstand temperatures nearly twice as high as 316 stainless steel protection tubes.
Thermowell Connection | Conduit Connection | Tube | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Thread Type | Gender | Pipe Size | Thread Type | Gender | Max. Temperature, ° F | Insertion Lg. | For Max. Probe Dia. | Overall Lg. | ID | OD | Each | |
Steel | |||||||||||||
| 1/2 | NPT | Male | 1/2 | NPT | Male | 1000° | 16 1/4" | 1/2" | 18" | 5/8" | 7/8" | 0000000 | 000000 |
| 1/2 | NPT | Male | 1/2 | NPT | Male | 1000° | 22 1/4" | 1/2" | 24" | 5/8" | 7/8" | 0000000 | 00000 |
| 1/2 | NPT | Male | 3/4 | NPT | Male | 1000° | 10 1/4" | 1/2" | 12" | 5/8" | 7/8" | 0000000 | 00000 |
| 1/4 | NPT | Male | 1/2 | NPT | Male | 1000° | 10 1/4" | 3/8" | 12" | 3/8" | 9/16" | 0000000 | 00000 |
| 1/4 | NPT | Male | 1/2 | NPT | Male | 1000° | 16 1/4" | 3/8" | 18" | 3/8" | 9/16" | 0000000 | 00000 |
| 1/4 | NPT | Male | 1/2 | NPT | Male | 1000° | 22 1/4" | 3/8" | 24" | 3/8" | 9/16" | 0000000 | 00000 |
| 3/4 | NPT | Male | 1 | NPT | Male | 1000° | 10 1/4" | 3/4" | 12" | 7/8" | 1 1/16" | 0000000 | 00000 |
| 3/4 | NPT | Male | 1 | NPT | Male | 1000° | 16 1/4" | 3/4" | 18" | 7/8" | 1 1/16" | 0000000 | 00000 |
| 3/4 | NPT | Male | 1 | NPT | Male | 1000° | 22 1/4" | 3/4" | 24" | 7/8" | 1 1/16" | 0000000 | 00000 |
316 Stainless Steel | |||||||||||||
| 1/2 | NPT | Male | 3/4 | NPT | Male | 1700° | 10 1/4" | 1/2" | 12" | 5/8" | 7/8" | 0000000 | 000000 |
| 1/2 | NPT | Male | 3/4 | NPT | Male | 1700° | 16 1/4" | 1/2" | 18" | 5/8" | 7/8" | 0000000 | 000000 |
| 1/2 | NPT | Male | 3/4 | NPT | Male | 1700° | 22 1/4" | 1/2" | 24" | 5/8" | 7/8" | 0000000 | 000000 |
| 1/4 | NPT | Male | 1/2 | NPT | Male | 1700° | 10 1/4" | 3/8" | 12" | 3/8" | 9/16" | 0000000 | 000000 |
| 1/4 | NPT | Male | 1/2 | NPT | Male | 1700° | 16 1/4" | 3/8" | 18" | 3/8" | 9/16" | 0000000 | 000000 |
| 1/4 | NPT | Male | 1/2 | NPT | Male | 1700° | 22 1/4" | 3/8" | 24" | 3/8" | 9/16" | 0000000 | 000000 |
| 3/4 | NPT | Male | 1 | NPT | Male | 1700° | 10 1/4" | 3/4" | 12" | 7/8" | 1 1/16" | 0000000 | 000000 |
| 3/4 | NPT | Male | 1 | NPT | Male | 1700° | 16 1/4" | 3/4" | 18" | 7/8" | 1 1/16" | 0000000 | 000000 |
| 3/4 | NPT | Male | 1 | NPT | Male | 1700° | 22 1/4" | 3/4" | 24" | 7/8" | 1 1/16" | 0000000 | 000000 |
Ceramic | |||||||||||||
| 1/2 | NPT | Male | 3/4 | NPT | Male | 3100° | 11 1/4" | 7/16" | 13 1/8" | 7/16" | 11/16" | 0000000 | 00000 |
| 1/2 | NPT | Male | 3/4 | NPT | Male | 3100° | 17 1/4" | 7/16" | 19 1/8" | 7/16" | 11/16" | 0000000 | 00000 |
| 1/2 | NPT | Male | 3/4 | NPT | Male | 3100° | 23 1/4" | 7/16" | 25 1/8" | 7/16" | 11/16" | 0000000 | 00000 |
Threaded Thermocouple Probes with
Thermowell for Liquids and Gases
The included thermowell protects the probe from vibration, corrosion, and shock in tanks and pipelines.
Probe | Thermowell Connection | Conduit Connection | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature Range, ° F | Lg. | Dia. | Accuracy | Connection Type | Sensor Type | Pipe Size | Thread Type | Gender | Pipe Size | Thread Type | Gender | Probe Material | Max. Wire Gauge | Overall Lg. | Each | |
304 Stainless Steel Thermowell | ||||||||||||||||
Type J | ||||||||||||||||
| 32° to 1400° | 6" | 1/2" | ±0.75% | Screw Terminal | Ungrounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 20 | 14" | 0000000 | 0000000 |
| 32° to 1400° | 9" | 1/2" | ±0.75% | Screw Terminal | Ungrounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 20 | 17" | 0000000 | 000000 |
| 32° to 1400° | 12" | 1/2" | ±0.75% | Screw Terminal | Ungrounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 20 | 20" | 0000000 | 000000 |
Type K | ||||||||||||||||
| 32° to 1600° | 6" | 1/2" | ±0.75% | Screw Terminal | Ungrounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 20 | 14" | 0000000 | 000000 |
| 32° to 1600° | 9" | 1/2" | ±0.75% | Screw Terminal | Ungrounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 20 | 17" | 0000000 | 000000 |
| 32° to 1600° | 12" | 1/2" | ±0.75% | Screw Terminal | Ungrounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 20 | 20" | 0000000 | 000000 |
Type T | ||||||||||||||||
| -325° to 700° | 6" | 1/2" | ±0.75% | Screw Terminal | Ungrounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 20 | 14" | 0000000 | 000000 |
| -325° to 700° | 9" | 1/2" | ±0.75% | Screw Terminal | Ungrounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 20 | 17" | 0000000 | 000000 |
| -325° to 700° | 12" | 1/2" | ±0.75% | Screw Terminal | Ungrounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 20 | 20" | 0000000 | 000000 |
316 Stainless Steel Thermowell | ||||||||||||||||
Type J | ||||||||||||||||
| 32° to 1400° | 5 1/2" | 1/2" | ±0.75% | Screw Terminal | Grounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 14 | 13 1/8" | 00000000 | 000000 |
| 32° to 1400° | 8 1/2" | 1/2" | ±0.75% | Screw Terminal | Grounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 14 | 16 1/8" | 00000000 | 000000 |
| 32° to 1400° | 11 1/2" | 1/2" | ±0.75% | Screw Terminal | Grounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 14 | 19 1/8" | 00000000 | 000000 |
Type K | ||||||||||||||||
| 32° to 1600° | 5 1/2" | 1/2" | ±0.75% | Screw Terminal | Grounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 14 | 13 1/8" | 00000000 | 000000 |
| 32° to 1600° | 8 1/2" | 1/2" | ±0.75% | Screw Terminal | Grounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 14 | 16 1/8" | 00000000 | 000000 |
| 32° to 1600° | 11 1/2" | 1/2" | ±0.75% | Screw Terminal | Grounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 14 | 19 1/8" | 00000000 | 000000 |
Type T | ||||||||||||||||
| -325° to 700° | 5 1/2" | 1/2" | ±0.75% | Screw Terminal | Grounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 14 | 13 1/8" | 00000000 | 000000 |
| -325° to 700° | 8 1/2" | 1/2" | ±0.75% | Screw Terminal | Grounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 14 | 16 1/8" | 00000000 | 000000 |
| -325° to 700° | 11 1/2" | 1/2" | ±0.75% | Screw Terminal | Grounded | 3/4 | NPT | Male | 3/4 | NPT | Female | Ceramic | 14 | 19 1/8" | 00000000 | 000000 |
Threaded RTD Probes with
Thermowell for Liquids and Gases
To protect the probe from vibration, corrosion, and shock, these RTD probes come with a thermowell.
Probe | Thermowell Connection | Conduit Connection | Material | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RTD Type | Temperature Range, ° F | Lg. | Dia. | Accuracy | Response Time, sec. | Connection Type | Pipe Size | Thread Type | Gender | Pipe Size | Thread Type | Gender | Overall Lg. | Head | Probe | Each | |
304 Stainless Steel Thermowell | |||||||||||||||||
| 100 ohms | -55° to 400° | 5 1/2" | 1/2" | ±0.12% | 30 | Screw Terminal | 3/4 | NPT | Male | 3/4 | NPT | Female | 14 1/8" | Cast Iron | 304 Stainless Steel | 0000000 | 0000000 |
| 100 ohms | -55° to 400° | 8 1/2" | 1/2" | ±0.12% | 30 | Screw Terminal | 3/4 | NPT | Male | 3/4 | NPT | Female | 17 1/8" | Cast Iron | 304 Stainless Steel | 0000000 | 000000 |
| 100 ohms | -55° to 400° | 11 1/2" | 1/2" | ±0.12% | 30 | Screw Terminal | 3/4 | NPT | Male | 3/4 | NPT | Female | 20 1/8" | Cast Iron | 304 Stainless Steel | 0000000 | 000000 |