Omnigrad M TR13, TC13
5
Note the limitation of the maximum process pressure to the flange pressure ratings indicated in
the following table.
Process
connection
Standard
Max. process pressure
Flange
EN1092-1 or ISO
7005-1
Depending on the flange pressure rating PNxx:
20, 40, 50 or 100 bar at 20 °C (68 °F)
ASME B16.5
Depending on the flange pressure rating 150 or 300 psi at
20 °C (68 °F)
JIS B 2220
Depending on the flange pressure rating 20K, 25K or 40K
DIN2526/7
Depending on the flange pressure rating PN40 at 20 °C (68 °F)
Maximum flow velocity
The highest flow velocity tolerated by the thermowell diminishes with increasing immersion length
exposed to the stream of the fluid. Detailed information may be taken from the figures below.
100
200
300
400
500
v (m/s)
A
100
200
300
400
500
v (m/s)
B
4
8
12
16
20
4
8
12
16
v (ft/s)
v (ft/s)
L (mm)
0
10
20
30
40
50
60
70
80
90
L (in)
20
0
30
65
100
130
165
200
230
260
295
0
5
10
15
20
25
30
35
40
45
0
15
30
50
65
80
100
115
130
145
L (mm)
L (in)
50
2
50
2
A0008605
4
Flow velocity depending on the immersion length
A
Medium water at T = 50 °C (122 °F)
B
Medium superheated steam at T = 400 °C (752 °F)
L
Immersion length
v
Flow velocity
___ Thermowell diameter 9 x 1 mm (0.35 in)
- - - Thermowell diameter 12 x 2.5 mm (0.47 in)
Shock and vibration resistance
• RTD: 3G / 10 to 500 Hz according to IEC 60751
• TC: 4G / 2 to 150 Hz according to IEC 60068-2-6