
- Description
- Download Brochures
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 |
- Choosing a selection results in a full page refresh.
- Opens in a new window.