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Model 260TWW - Socket Weld, Model 385TWW - Socket Weld
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 | 22-1/2 |
3/4"-260TWW | Carbon Steel | 290 (106) | 123 (71.2) | 44.9 (42.7) | 22.8 | 13.8 | 9.3 | 4.9 |
304SS; 316SS | 300 (148) | 128 (99.3) | 46.4 | 23.6 | 14.3 | 9.6 | 5.1 | |
1"-260TWW | Carbon Steel | 290 (106) | 143 (84.3) | 51.6 (50.6) | 26.2 | 15.9 | 10.6 | 5.7 |
304SS; 316SS | 300 (148) | 148 (117) | 53.5 | 27.2 | 16.5 | 11.0 | 5.9 | |
3/4" or 1"-385TWW | Carbon Steel | 426 (260) | 192 (144) | 69.5 | 35.4 | 20.5 | 14.3 | 7.7 |
304SS; 316SS | 449 (360) | 199 | 71.9 | 36.6 | 21.2 | 14.8 | 8.0 | |
Note: Values are for steam, air, gas and similar density. Values shown in parenthesis are for water flow only. |