Samson 3371 Mounting And Operating Instructions page 19

Table 3-2: Technical data for Type 3371 Pneumatic Actuator
Actuator area
Rated travel
Fail-safe action
Bench range in
bar
Supply pressure
Ambient
temperature range
Dimensions
Approx. weight
Materials
Actuator housing
Diaphragm
Actuator stem
Ø168
Fig. 3-6: Dimensional drawing of 120 cm²
version
EB 8317 EN
120 cm²
Stem Stem
retracts retracts extends
(FE) (FE)
0.4 to
1.4 to 2.3
1.4
See the 'Operation' section for restrictions
–35 to +90 °C
Refer to Fig. 3-6
3.3 kg
GD-AlSi10Mg
NBR
1.4305
Design and principle of operation
15 mm
Stem Stem Stem
extends retracts
(FA) (FA)
2.1 to 1.5 to
3.3
Fig. 3-7: Dimensional drawing of 350 cm²
version
350 cm²
Stem Stem
extends retracts
(FE) (FA) (FE)
2.1 to 1.5 to
2.1 2.7 2.7
–35 to +90 °C
Refer to Fig. 3-7
15 kg
1.0332
NBR
1.4401/1.4404
Ø280
30 mm
Stem
extends
(FA)
2.2 to
3.8
3-7