Call us at 1-888-826-6342
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 |
Added to Your Shopping Cart
Configuration complete.
Please add to cart to keep it or exit the configuration
Please add to cart to keep it or exit the configuration
Failed to Save Configurations, Click on Configure Button Start Again
- 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.
![]()
* 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
