EB 2043 EN
11
Design and principle of operation
Fig. 2:
Type 2422/2213 Safety Temperature Monitor (STM) with Type 2422 Globe Valve
1
Valve body
2 Seat (exchangeable)
3 Plug
5 Plug stem
6
Coupling nut (150 Nm tightening torque)
7 Connecting piece with pin of the operating
element
8 Operating element with spring mechanism
8.1 Electric signal transmitter
8.2 Signal pin
8.3 Travel indicator
9 Capillary tube
10 Key to adjust limit value
11
Limit value dial
12 Temperature sensor (bulb sensor with ther-
mowell)
13
Leading screw (on customer request)
14 Dial housing
14
13
10
11
12
8
9
8.2
7
6
5
3
2
1
8.1
8.3