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STANDARD THREADED THEROMOWELLS FOR 3/8" DIAMETER ELEMENTS
Model 385TW - General Use, Model 385TWE - General Use with Lagging Extension
Please Note: Tel-Tru data on Thermowell performance is from industry standards in common use by design engineers and other manufacturers. Tel-Tru is not responsible for errors resulting from omission, transmission, transposition, printing, or interpretation of such data.
| PRESSURE - TEMPERATURE RATING - PSI | |||||||
| Temperature - °F | |||||||
| Material | 70° | 200° | 400° | 600° | 800° | 1000° | 1200° |
| Brass | 5000 | 4200 | 1000 | - | - | - | - |
| Carbon Steel | 5200 | 5000 | 4800 | 4600 | 3500 | 1500 | - |
| 304SS | 7000 | 6200 | 5600 | 5400 | 5200 | 4500 | 1650 |
| 316SS | 7000 | 7000 | 6400 | 6200 | 6100 | 5100 | 2500 |
| Monel | 6500 | 6000 | 5400 | 5300 | 5200 | 1500 | - |
| MAXIMUM FLUID VELOCITY - FEET PER SECOND | |||||||||
| Insertion Length - "U" | |||||||||
| Well Type | Material | 2-1/2 | 4-1/2 | 7-1/2 | 10-1/2 | 13-1/2 | 16-1/2 | 19-1/2 | 22-1/2 |
| 385TW | Brass | 290 (145) | 150 (80) | 54.1 (48) | 27.6 | 16.7 | 11.1 | 8.0 | 6.0 |
| Carbon Steel | 326 (260) | 192 (144) | 69.5 | 35.4 | 20.5 | 14.3 | 10.3 | 7.7 | |
| 304SS, 316SS | 349 (360) | 199 | 71.9 | 36.6 | 21.2 | 14.8 | 10.7 | 8.0 | |
| Monel | 316 (320) | 189 (178) | 68.1 | 34.8 | 20.8 | 14.0 | 10.0 | 7.5 | |
| Note: Values are for steam, air, gas and similar density. Values shown in parenthesis are for water flow only. | |||||||||
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