Samson 3275, Монтаж и эксплуатация, Страница: 12 / 32

12 EB 8314 EN
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
3.3 Technical data
The nameplate provide information on the
actuator version (see section 2.1).
More information is available in Data Sheet
u
T 8314.
Note
Table 1: Technical data
Version Type 3275
Actuator area cm² 314 490 804
Supply pressure Max. 6 bar 6 bar 6 bar
Rated travel mm 15 30 15 30 15 30
Travel volume cm³ 471 942 735 1470 1206 2412
Air connection G
3 /
8
G ½ G ½
Max. permissible leakage
(t ≥ 0 °C)
50 cm³/min 58 cm³/min 70 cm³/min
Perm. temperature range for
continuous operation
–30 to +80 °C
Compliance