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Design and principle of operation
3.2 Versions
Type 3275 Pneumatic Piston Actuator with
314, 490 or 804 cm² actuator area:
− Standard version
Base and cover are coated with an alu-
minum alloy (3.3547, anodized).
− Version with side-mounted handwheel
The actuator can be combined with a
Type 3273 Side-mounted Handwheel
with max. 30 mm travel (u T 8312).
− Special version with auxiliary spring
The actuator can be fitted with an auxil-
iary spring to move the actuator to a de-
fined end position in the depressurized
state (e.g. upon supply air failure).
− Special version for temperatures down
to –40 °C
Table 1: Technical data
Version
Actuator area
Supply pressure
Rated travel
Travel volume
Air connection
Max. permissible leakage
(t ≥ 0 °C)
Perm. temperature range for
continuous operation
Compliance
12
Type
cm²
314
Max.
6 bar
mm
15
cm³
471
G
3
/
8
50 cm³/min
3.3 Technical data
The nameplate provide information on the
actuator version (see section 2.1).
Note
More information is available in Data Sheet
u T 8314.
3275
490
6 bar
30
15
942
735
G ½
58 cm³/min
–30 to +80 °C
804
6 bar
30
15
1470
1206
G ½
70 cm³/min
EB 8314 EN
30
2412
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