Samson 3277 - Design and Principle of Operation

EB 8310-6 EN 3-5
Design and principle of operation
tion can be mounted on SAMSON control
valves designed according to the modular
principle. See associated valve documenta-
tion. The travel pick-off interface for these
mounted devices can be ordered (accesso-
ries):
Type ...
Actua-
tor
Actuator
area in
cm²
Item/material number
(accessories) for
Attachment
on one side
Attachment
on both sides
3271
240
1400-6816
(included in
scope of de-
livery of the
actuator)
100029690
350
100029695
(included in
scope of de-
livery of the
actuator)
1400-5529
700
3277
240
100029695 1400-5529350
700
3.8 Technical data
The nameplate provides information on the
actuator version (see the 'Markings on the
device' section).
More information is available in Data Sheet
uT8310-1.
Temperature range
The permissible temperature range depends
on the actuator service and diaphragm ma-
terial:
Diaphragm material Temperature range
Throttling service
NBR
–35 to +90°C
–31 to +194°F
EPDM
–50 to +120°C
–58 to +248°F
On/off service
NBR
–20 to +90°C
–4 to +194°F
EPDM
–40 to +120°C
–40 to +248°F
Supply pressure
The maximum permissible supply pressure is
6bar in throttling service. See the 'Opera-
tion' section for restrictions in on/off service.
Conformity
The Type3271 and Type3277 Pneumatic
Actuators bear the EAC mark of conformity.
Note