Samson 42-34 Mounting And Operating Instructions page 15

DN 65 to 100 · Balanced by a diaphragm
Type 2423 Valve, balanced by a diaphragm
p 1
Optional
Type 2424 Actuator
Type 42-34
1 Valve body
1.1 Flow rate set point screw
1.2 Lock nut
1.3 Cap
1.4 Restriction
Fig. 3: Functional diagram of valve balanced by a diaphragm, DN 65 to 100 and DN 125 to 250
EB 3013 EN
1.3
1.1
1.2
1
1.4
p 2
2
3
4
5.1
Type 2428 Actuator
Type 42-38
2 Seat
3 Plug
4 Plug stem
5.1 Balancing diaphragm
11 Coupling nut
Design and principle of operation
DN 125 to 250 · Balanced by a diaphragm
Type 2423 Valve, balanced by a diaphragm
1
p 1
2
3
5.1
+
Type 2424 Actuator
Type 42-34
12.1 Diaphragm stem
12.2 Diaphragm stem
1.3
1.1
1.2
1.4
p 2
4
11
12.1
_
12.2
15