Samson 3372 User Manual page 7

Table 3: Bench ranges of Type 3372 Actuator
1800 0.4 to 1.4
120 1800 1.4 to 2.3
15 1800 2.1 to 3.3
5250 1.5 to 2.1
5250 2.1 to 2.7
350
10500 1.5 to 2.7
30
10500 2.2 to 3.8
Dimension diagrams · All dimensions in mm
With integrated i/p converter
PG11
With Type 3725 Positioner (direct attachment)
(actuator stem retracts/extends)
T 8313 EN
Fail‑safe action: actuator stem extends Fail‑safe action: actuator stem retracts
Spring force at
0 mm travel [kN]
4
8
12
– 8
6
8
12
Ø168
G 1
Supply
G ¼
G¼
Ø30
120 cm² actuator area
(actuator stem extends)
Ø168
120 cm² actuator area
Spring force at
rated travel [kN]
0.5 1.7
1.7 2.8
2.5 4.0
– –
7.35 9.5
– –
7.7 13
Ø168
8
120 cm² actuator area
(actuator stem retracts)
Ø280
350 cm² actuator area
(actuator stem retracts/extends)
Spring force [kN] at rated travel
and supply pressure [bar] of
2 3 4 5
0.7 1.9 3.1 –
– 0.8 2 3.2
– – – –
– 3.15 6.65 6.65
– – – –
– 1.05 4.55 8.05
– – – –
Ø30
6
–
4.4
–
6.65
–
11.55
–
7