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0.385" Bore Diameter Threaded Straight Thermowells
Standard Threaded Thermowell for 3/8 Inch Diameter Elements
Volume discounts available
Volume Discount Schedule
| Quantity | Price each |
|---|---|
| 1-9 | $57.91 |
| 10-24 | $55.01 |
| 25-99 | $52.12 |
| 100-499 | $49.22 |
| 500-999 | $46.33 |
| 1000+ | $43.43 |
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- 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 Diameter
3/4-385S-U21/2-304SS 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
Insertion Length
Pressure Rating
Stem length/Probe Length
Pipe Size
Flange Size
Shank Diameter
Shank Style
Internal Thread
Bore Diameter
Well Type
Features
Application:
Standard length, 3/8' stem, bimetal thermometers. #14 gage thermocouple elements. Armored liquid-in-glass test thermometers. Other temperature-sensing elements having .377 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.
Series 385S—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, 3/8' stem, bimetal thermometers. #14 gage thermocouple elements. Armored liquid-in-glass test thermometers. Other temperature-sensing elements having .377 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.
Series 385S—General Use
All dimensions in inches.
* NPSM internal pipe thread will accept both NPT and NPS male threads.
| External Thread P | Model No. | Elem. Lgth. A | Insert. Lgth. U |
| 3/4' NPT | 3/4-385S-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' NPT | 1-385S-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 |
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 | – |
| See 385L Thermowell Page For Maximum Fluid Velocity |
Rated 5 out of
5
by
Scott Ray from
Great products and very quick fulfillment.
Products are always top notch and shipping is very fast.
Date published: 2022-11-19
Rated 5 out of
5
by
BlindWoodcrafter from
Excellent Standard Threaded Thermowell
High quality Standard Threaded Thermowell.
Expected nothing less from Omega products.
Date published: 2022-11-03
Do you have a hex length from flat to flat for you part number 3/4-385S-U21/2-BRASS
Please send the request to temp@dwyeromega.com as that information is not on the drawing of the data sheet or readily available.
Date published: 2024-11-14
