Thermowells_Thermowell-Series_Series-15-Thermowell
Maximum Fluid Velocity, Feet Per Second
(See
Velocity Ratings also found in Resources)
| Well Type |
Material |
Insertion Length — “U” (in) |
| 21⁄2 |
41⁄2 |
71⁄2 |
101⁄2 |
131⁄2 |
161⁄2 |
191⁄2 |
221⁄2 |
| 1⁄2" Series10 and 15 |
Brass |
207 (59.3) |
75.5 (32.2) |
27.3 (19.7) |
13.9 |
8.4 |
5.6 |
4.1 |
3 |
| Carbon Steel |
290 (106) |
105 (59) |
38.2 (36.3) |
19.4 |
11.8 |
7.8 |
5.7 |
4.2 |
| A.I.S.I. 304 & 316 |
300 (148) |
109 (82.2) |
39.5 |
20.1 |
12.2 |
8.1 |
5.9 |
4.4 |
| Monel |
261 (118) |
95 (65.5) |
34.4 |
17.5 |
10.5 |
7.1 |
5.2 |
3.8 |
| 3⁄4" Series10 and 15 |
Brass |
207 (59.3) |
89.1 (39.8) |
32.2 (23.9) |
16.4 |
9.9 |
6.6 |
4.8 |
3.6 |
| Carbon Steel |
290 (106) |
123 (71.2) |
44.9 (42.7) |
22.8 |
13.8 |
9.3 |
6.7 |
4.9 |
| A.I.S.I. 304 & 316 |
300 (148) |
128 (99.3) |
46.4 |
23.6 |
14.3 |
9.6 |
6.9 |
5.1 |
| Monel |
261 (118) |
112 (79.8) |
40.6 |
20.7 |
12.4 |
8.3 |
6.1 |
4.5 |
| 1" Series10 and 15 |
Brass |
207 (59.3) |
102 (47.6) |
37.0 (28) |
18.8 |
11.4 |
7.6 |
5.5 |
4.1 |
| Carbon Steel |
290 (106) |
143 (84.3) |
51.6 (50.6) |
26.2 |
15.9 |
10.6 |
7.6 |
5.7 |
| A.I.S.I. 304 & 316 |
300 (148) |
148 (117) |
53.5 |
27.2 |
16.5 |
11 |
7.9 |
5.9 |
| Monel |
261 (118) |
128 (93.3) |
46.7 |
23.7 |
14.4 |
9.5 |
6.9 |
5.1 |
Pressure — Temperature Rating (lbs. per square inch)
|
Temperature |
| Material |
70°F |
200°F |
400°F |
600°F |
800°F |
1000°F |
1200°F |
| Brass |
5000 |
4222 |
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 |
— |
Where single values appear in table, thermowell may be considered safe for water, steam, air or gas. The values in parentheses in the shorter insertion lengths represent safe values for water flow, taking into consideration the velocity pressure effect of water flowing at higher velocities.