Samson 3271 - 3.3 Valve Accessories; 3.4 Technical Data

3-4 EB 8026 EN
Design and principle of operation
Insulation
Control valves can be insulated to reduce
heat energy transfer.
Refer to the instructions in the 'Installation'
chapter.
Test connection
Versions with bellows seal tted with a test
connection (G
1
/
8
) at the top ange allow the
sealing ability of the bellows to be moni-
tored.
Particularly for liquids and vapors, we rec-
ommend installing a suitable leakage indica-
tor (e.g. a contact pressure gauge, an outlet
to an open vessel or an inspection glass).
Safety guard
For operating conditions that require in-
creased safety (e.g. in cases where the valve
is freely accessible to untrained staff), a safe-
ty guard must be installed to rule out a crush
hazard arising from moving parts (actuator
and plug stem). Plant operators are responsi-
ble for deciding whether a guard is to be
used. The decision is based on the risk posed
by the plant and its operating conditions.
3.3 Valve accessories
Information Sheet uT8350
3.4 Technical data
The nameplates on the valve and actuator
provide information on the control valve ver-
sion. See the 'Markings on the device' chap-
ter.
More information is available in Data Sheet
uT8026.
Conformity
The Type3244 Valve bears the CE, UKCA
and EAC mark of conformity.
Temperature range
Depending on the version, the control valve
is designed for a temperature range from
–10 to +220°C (14 to 428°F). The use of
an insulating section or bellows seal can ex-
tend the temperature range from –196 to
+450°C (–325 to +842°F) depending on
the properties of the materials used.
Noise emissions
SAMSON is unable to make general state-
ments about noise emissions. The noise emis-
sions depend on the valve version, plant fa-
cilities and process medium.
Note