T 8313 EN
7
Table 3:
Bench ranges of Type 3372 Actuator
Actuator
d
iaphr
agm
ar
ea
[cm²]
Rated
tr
avel
[mm]
Tr
avel
volume
at
rated
tr
avel
[cm³]
Bench
range
[bar]
(signal
pr
essur
e
range
at
rated
tr
avel)
Add
itional
possible
spring
pr
e‑
load
ing
No
. of
springs
Fail‑safe action: actuator stem extends Fail‑safe action: actuator stem retracts
Spring force at
0 mm travel [kN]
Spring force at
rated travel [kN]
Spring force [kN] at rated travel
and supply pressure [bar] of
2
3
4
5
6
120
15
1800
0.4 to 1.4
–
4
0.5
1.7
0.7
1.9
3.1
–
–
1800
1.4 to 2.3
8
1.7
2.8
–
0.8
2
3.2
4.4
1800
2.1 to 3.3
12
2.5
4.0
–
–
–
–
–
350
5250
1.5 to 2.1
8
–
–
–
3.15
6.65
6.65
6.65
5250
2.1 to 2.7
6
7.35
9.5
–
–
–
–
–
30
10500
1.5 to 2.7
8
–
–
–
1.05
4.55
8.05 11.55
10500
2.2 to 3.8
12
7.7
13
–
–
–
–
–
Dimension diagrams
· All dimensions in mm
With integrated i/p converter
Ø30
309
Supply
236
Ø168
PG11
G
1
8
G¼
G¼
Ø168
Ø30
120 cm² actuator area
(actuator stem extends)
120 cm² actuator area
(actuator stem retracts)
With Type 3725 Positioner (direct attachment)
182
Ø168
Ø280
23
1
120 cm² actuator area
(actuator stem retracts/extends)
350 cm² actuator area
(actuator stem retracts/extends)
