Samson 3277 Mounting And Operating Instructions page 15

Note
More information is available in Data Sheet
u T 8310-1.
Compliance
The Type 3271 and Type 3277 Pneumatic
Actuators bear the EAC mark of conformity.
Temperature range
The permissible temperature range depends
on the diaphragm material:
Diaphragm material
NBR
1)
EPDM
2)
PVMQ
In on/off service, lowest temperature restricted
1)
to –4 °F (–20 °C).
In on/off service, lowest temperature restricted
2)
to –40 °F (–40 °C).
Supply pressure
The maximum permissible supply pressure is
6 bar in throttling service. See section 6.2
for restrictions in on/off service.
Accessories
The pneumatic actuators with 750 cm² actu-
ator area have a female thread on the top
diaphragm case to allow an eyebolt or swiv-
el lifting hook to be screwed into it. The eye-
bolt can be used to vertically lift the actuator
and is included in the scope of delivery. The
EB 8310-5 EN
Temperature range
–31 to +194 °F
–35 to +90 °C
–58 to +248 °F
–50 to +120 °C
–76 to +194 °F
–60 to +90 °C
Design and principle of operation
swivel lifting hook is designed for setting a
control valve assembly upright or for lifting
the actuator without valve. The swivel lifting
hook can be ordered (accessories).
Actuator
Eyebolt
area
(DIN 580)
750 cm² 8325-0131
Actuators with 175 cm² actuator area or
smaller do not require a female thread or
welded-on lifting eyelet due to their light
weight.
Item no.
Swivel lifting
hook
8442-1017
15