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This standard threaded thermowell protects a 1/4" (6.4 mm) element with a 2-1/2" (6.3 cm) insertion length. It is machined from 304 SS with a 0.26" (6.6 mm) straight bore, a 1/2" NPT connection, and a 4120 psi (284 bar) rating. It suits process temperature protection and chemical bath sensing.
This standard threaded thermowell protects a 1/4" (6.4 mm) element with a 2-1/2" (6.3 cm) insertion length. It is machined from 304 SS with a 0.26" (6.6 mm) straight bore, a 1/2" NPT connection, and a 4120 psi (284 bar) rating. It suits process temperature protection and chemical bath sensing.
Series 260S commodity standard threaded thermowells are designed for 1/4" (6.4 mm) stem bimetal thermometers and #20-gauge thermocouple elements. They protect sensors from process media and allow sensor replacement without a process shutdown.
Features
Applications
| Bore diameter | 0.260" |
| Series | 260S Series |
| Thread allowance | 0.002" |
| Type | standard threaded thermowell |
| External thread | 1/2 NPT |
| Element bore | 1/4" (6.4 mm) diameter element |
| Internal thread | NPSM |
| Bore diameter | 0.26" (6.6 mm) |
| Maximum element diameter | 0.252" |
| Material | 304 SS |
| Material | 304 stainless steel |
| Design | Straight |
| Dimensions | Stem length A: 4" Insertion length U: 2-1/2" |
| Shank diameter | 1/2" (12.7 mm) |
| Overall length | 4" (10.2 cm) |
| Insertion length | 2-1/2" (6.3 cm) |
| Process connection | 1/2" NPT |
| Instrument connection | 1/2" NPSM |
| Pressure rating | 4120 psi (284 bar) |
| Well type | Series 260S, Standard Threaded Well for 1/4" (6.3 mm) Diameter Elements |
| Application | Standard length, 1/4" (6.3 mm) stem, bimetal thermometers; #20-gauge thermocouple elements; unarmored liquid-in-glass test thermometers. Other temperature-sensing elements having 0.252" (6.4 mm) maximum diameter. |
| Element diameter | 1/4" (6.3 mm) diameter element |
| Maximum element diameter | 0.252" (6.4 mm) |
| Materials available | Brass (ASTM B-16); Carbon Steel (C-1018); Stainless Steel A.I.S.I. 304 & A.I.S.I. 316; Monel®. Special materials available; prices on request. |
| Connection size (process/external thread) | 1/2 NPT (1/2, 3/4 and 1 NPT standard; other thread sizes available upon request) |
| Stem length "A" | 4" (10.2 cm) |
| Insertion length "U" | 2-1/2" (6.3 cm) |
| Pressure-Temperature Rating (lb per square inch) | A.I.S.I.-304: 70°F 7000, 200°F 6200, 400°F 5600, 600°F 5400, 800°F 5200, 1000°F 4500, 1200°F 1650 |
| Protective coatings | Available in PFA, Epoxy and other materials |
| Probe compatibility | Compatible with OMEGA NB1, NB2; PR-12, PR14, and NPT-style probes; as well as DialTemp Thermometers |
| Cap and Chain (optional) | For Brass cap add suffix "-CC-BRASS"; for 304 SS cap add suffix "-CC" (additional cost) |
Click on a category to view a selection of compatible accessories with the Omega 260S Series Standard Threaded Thermowell for 1/4" elements, 304 SS, 1/2" NPT, 2-1/2" insert, straight.
| Bore diameter | 0.260" |
| Series | 260S Series |
| Thread allowance | 0.002" |
| Type | standard threaded thermowell |
| External thread | 1/2 NPT |
| Element bore | 1/4" (6.4 mm) diameter element |
| Internal thread | NPSM |
| Bore diameter | 0.26" (6.6 mm) |
| Maximum element diameter | 0.252" |
| Material | 304 SS |
| Material | 304 stainless steel |
| Design | Straight |
| Dimensions | Stem length A: 4" Insertion length U: 2-1/2" |
| Shank diameter | 1/2" (12.7 mm) |
| Overall length | 4" (10.2 cm) |
| Insertion length | 2-1/2" (6.3 cm) |
| Process connection | 1/2" NPT |
| Instrument connection | 1/2" NPSM |
| Pressure rating | 4120 psi (284 bar) |
| Well type | Series 260S, Standard Threaded Well for 1/4" (6.3 mm) Diameter Elements |
| Application | Standard length, 1/4" (6.3 mm) stem, bimetal thermometers; #20-gauge thermocouple elements; unarmored liquid-in-glass test thermometers. Other temperature-sensing elements having 0.252" (6.4 mm) maximum diameter. |
| Element diameter | 1/4" (6.3 mm) diameter element |
| Maximum element diameter | 0.252" (6.4 mm) |
| Materials available | Brass (ASTM B-16); Carbon Steel (C-1018); Stainless Steel A.I.S.I. 304 & A.I.S.I. 316; Monel®. Special materials available; prices on request. |
| Connection size (process/external thread) | 1/2 NPT (1/2, 3/4 and 1 NPT standard; other thread sizes available upon request) |
| Stem length "A" | 4" (10.2 cm) |
| Insertion length "U" | 2-1/2" (6.3 cm) |
| Pressure-Temperature Rating (lb per square inch) | A.I.S.I.-304: 70°F 7000, 200°F 6200, 400°F 5600, 600°F 5400, 800°F 5200, 1000°F 4500, 1200°F 1650 |
| Protective coatings | Available in PFA, Epoxy and other materials |
| Probe compatibility | Compatible with OMEGA NB1, NB2; PR-12, PR14, and NPT-style probes; as well as DialTemp Thermometers |
| Cap and Chain (optional) | For Brass cap add suffix "-CC-BRASS"; for 304 SS cap add suffix "-CC" (additional cost) |
Click on a category to view a selection of compatible accessories with the Omega 260S Series Standard Threaded Thermowell for 1/4" elements, 304 SS, 1/2" NPT, 2-1/2" insert, straight.
