385F-U22-304SS-11/2-150RF-304S
Thermowell, 7/8" NPT, 304 Stainless Steel, 1.5", 385F Series
- Manufacturer: OMEGA
- Product type:
- SVHC: No SVHC (04-Feb-2026)
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 604.44 € |
| Current stock | 10+ |
| Lead time | 30 days |
**Flanged Thermowells for[1] ⁄4" and[3] ⁄8" Diameter Elements** **B** ## **Series 260F and 385F** **Application:** 260F series fits standard length[1] ⁄4" diameter elements. 385F series fits standard length[3] ⁄8" diameter elements. **Flange Sizes:** 1 and 1[1] ⁄2" flanges in all facings and pressure ratings are standard. Other sizes are available on application. ## **Materials:** Flanges and wells made of Carbon Steel (C-1018), A.I.S.I. 304, A.I.S.I. 316, and Monel[®] are available for quick delivery. Other materials are available. ## **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 ## **Welding:** Primary weld is “J” groove type; secondary weld is 45° bevel groove. Welding is performed by certified welders using inert gas shielded arc. **Cap and Chain Options:** add suffix “ **-CC** ” to the end of the model number, for an additional cost. ## **Series 260F and 385F** |NPSM†<br>2<br>/4<br>1<br>2/1<br>~~Ps~~||WELD<br>U INSERTION LENGTH<br>AS REQUIRED<br>FLANGE SIZE & FACING|WELD<br>U INSERTION LENGTH<br>AS REQUIRED<br>FLANGE SIZE & FACING|WELD<br>U INSERTION LENGTH<br>AS REQUIRED<br>FLANGE SIZE & FACING|WELD<br>U INSERTION LENGTH<br>AS REQUIRED<br>FLANGE SIZE & FACING|WELD<br>U INSERTION LENGTH<br>AS REQUIRED<br>FLANGE SIZE & FACING||||||**Metric Models**<br>**Available!**<br>**See omega.com**<br>WD|**Metric Models**<br>**Available!**<br>**See omega.com**<br>WD|||| |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---| |1<br>DIA.<br>1/4<br>t||Q DIA.<br>B± 0.002 BORE<br>A STEM LENGTH<br>**Dimensions: inches**<br>><br>~~|~~<br>la|||||||Q DIA.<br>/4<br>1|**†**NPSM internal pipe thread<br>will accept both NPT and<br>NPS male threads.||||\y||ta| |||||||||||||||||| |**To Order****_Visitomega.com/series_260f_385f for Pricing and Details_**||||||||||||||||| ||||**Stem**||||**Insertion**||||**Shank**||**Bore**|||| ||||**Length**||||**Length**||||**Diameter**<br>**Diameter**|||**Diameter**||| |**Model Number**|||**A**|||||**U**|||**Q**||**B**|||| |**260F-U2-(*)**|||4|||||2|||3⁄4||0.260|||| |**260F-U4-(*)**|||6|||||4|||3⁄4||0.260|||| |**260F-U7-(*)**|||9|||||7|||3⁄4||0.260|||| |**260F-U10-(*)**|||12|||||10|||3⁄4||0.260|||| |**260F-U13-(*)**<br> **260F-U16-(*)**<br>**260F-U22-(*)**|||15<br>18<br>24|||||13<br>16<br>22|||3⁄4<br>3⁄4<br>3⁄4||0.260<br>0.260<br>0.260|||**Shown**<br>**smaller**<br>**than**| |**385F-U2-(*)**<br> **385F-U4-(*)**|||4<br>6|||||2<br>4|||7⁄8<br>7⁄8||0.385<br>0.385|||**actual**<br>**size.**| |**385F-U7-(*)**|||9|||||7|||7⁄8||0.385|||| |**385F-U10-(*)**|||12|||||10|||7⁄8||0.385|||| |**385F-U13-(*)**|||15|||||13|||7⁄8||0.385|||| |**385F-U16-(*)**|||18|||||16|||7⁄8||0.385|||| |**385F-U22-(*)**|||24|||||22|||7⁄8||0.385|||| _*****[Specify material type “]_ _**[304SS]**[” for 304 stainless steel, ]_ _**[“316SS” ]**[for 316 stainless steel, or ]_ _**[“CS” ]**[for carbon steel.]_ _**Ordering Example: 260F-U4-316SS-11/2-300RF-316SS,** 316 SS thermowell with a 0.260" ID, 4" insertion length, 6" stem length, with a 1[1] ⁄2", 300 psi rated 316 SS raised face flange._ **For Assistance in Choosing Head and Well Assemblies, See omega.com. These wells are compatible with OMEGA[®] NB1, NB2; PR-12, PR-14, and NPT-style probes, as well as DialTemp™ Thermometers.** |**Rating Size**<br> **lb/in2**|**Rating Size**<br>**(inch)**|**Model Number**<br>**(Flange Suffix)**| |---|---|---| |150|1<br>11⁄2<br>**1**<br>2|**1-150RF (or FF)-(*)**<br>**11⁄2-150RF (or FF)-(*)**<br>**2-150RF(or FF)-(*)**| |300|1<br>11⁄2<br>**1**<br>2|**1-300RF (or FF)-(*)**<br>**11⁄2-300RF (or FF)-(*)**<br>**2-300RF (or FF)-(*)**| **Wells and flanges are made of the same material.** **See omega.com for Maximum Fluid Velocity.** _*****[Specify material type “]_ _**[304SS]**[” for 304 stainless steel, ]_ _**[“316SS” ]** for 316 stainless steel, or_ _**“CS”** for carbon steel._ **Consult factory for recommendations as to pressure and temperature ratings for flanged thermowells.** _**To Order:** Add completed model number as a suffix to the thermowells featured in the chart above. It is recommended to consult factory when ordering flanged thermowells._ **B-30**
Updated at June 9, 2026
Omega is a globally recognized leader in the design and manufacture of state-of-the-art products for process measurement and control. Renowned for its engineering expertise, the company provides highly reliable solutions for monitoring critical parameters such as temperature, humidity, pressure, strain, and flow across diverse industrial applications. Our extensive selection of Omega products is focused on the brand's core strengths in sensing and automation technologies. The range features a vast array of high-precision temperature sensors, including industry-standard thermocouples and RTDs, supported by a comprehensive selection of essential sensor accessories. To complement these measurement devices, we offer a substantial lineup of robust temperature controllers and advanced pressure transducers engineered to maintain precise conditions in demanding environments. Beyond primary sensing and control, the Omega portfolio encompasses sophisticated panel instrumentation for clear process visualization, alongside highly accurate force sensors and load cells. The offering is completed by reliable signal converters, data acquisition tools such as dataloggers, and fundamental connectivity components, providing professionals with the specialized equipment necessary to build complete, end-to-end industrial control systems.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →