Flowmetering Flowmetering ancillaries 3
Pressure/temperature limits The temperature probes when used in conjunction with associated thermowells, can be used in applications where the pressure/ temperature is within the following limits. For air and steam applications, flow velocities must be below 45 m/s (32 m/s for fabricated thermowells).
For liquids, a maximum velocity of 5 m/s is recommended. Type C thermowells are for use in non flow applications only.
Type A Thermowell - Sanitary clamp connection
174 psi g PMO on saturated steam
Pressure psi g
0
72
145
200
204 150 100 50 0 -100 204 150 100 50 0 -100 450 400 300 200 100 0 -100 450 400 300 200 100 0 -100
399 302 212 122 32 -148 399 302 212 122 32 -148 842 752 572 392 212 32 -148 842 752 572 392 212 32 -148
Steam saturation curve
0
72
145
200
0
5
10
13.79
Pressure bar g
3.5 26
12 bar g PMO on saturated steam
The product must not be used in this region.
0
5
10
13.79
0 72 145 217 290 360 435 507 580
Type B and Type C Thermowells
440 psi g PMO on saturated steam
Pressure psi g
0 72 145 217 290 360 435 507 580
0 5 10 15 20 2530 35 40
Steam saturation curve
0 5 10 15 20 2530 35 40
Pressure bar g
30.4 bar g PMO on saturated steam
The product must not be used in this region.
TI-P322-06 EMM Issue 15
Page 6 of 8
EL2270 Temperature Sensor EL2271 Temperature Sensor with transmitter with optional Food+ Thermowell
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