EB 2185 EN
13
Design and principle of operation
1.1
V
2
3
4
5
15
15
TR
10
10
16
12
8
1 2 3 4
11
13
17
18
19
STB
12
13
17
18
20
V
Valve
STL Type 2439 Safety Temperature Limiter
TR
Type 2430 Control Thermostat (optional)
1.1 Threaded ends or welding ends (optional)
2
Valve seat
3
Plug
4
Plug stem
5
Plug spring
8
Operating element with set point adjuster
10 Capillary tube
11 Scale
12 Temperature sensor
13 Thermowell
15 Coupling nut
16
Opening for indication/unlocking
17
Screw fitting
18 Packing
19 Opening for lead-sealing
20 Electric signal transmitter (optional)
Fig. 2:
Combination as temperature regulator with safety temperature limiter (TR/STL) and electric
signal transmitter
STL
Summary of Contents for 2439
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