Samson 3222 Series User Manual

5-2 EB 5866 EN
Installation
Support or suspension
The plant engineering company is responsi-
ble for selecting and implementing a suitable
support or suspension of the installed control
valve and the pipeline.
Depending on the valve version and mount-
ing position, the control valve and pipeline
must be supported or suspended.
Valves, which are not installed in the pipe-
line in the upright position with the actuator
on top, must be supported or suspended.
Vent plug (Type3222/2780 only)
Vent plugs are screwed into the exhaust air
ports of pneumatic and electropneumatic de-
vices. They ensure that any exhaust air that
forms can be vented to the atmosphere (to
avoid excess pressure in the device). Further-
more, the vent plugs allow air intake to pre-
vent a vacuum from forming in the device.
Î Locate the vent plug on the opposite side
to the work position of operating person-
nel.
Valve accessories
Î During connection of valve accessories,
make sure that they are easily accessible
and can be operated safely from the
work position.
5.2 Preparation for installation
Before installation, make sure the following
conditions are met:
− The valve is clean.
− The valve and all valve accessories (in-
cluding piping) are not damaged.
− The valve data on the nameplate (type
designation, valve size, material, pres-
sure rating and temperature range)
match the plant conditions (size and
pressure rating of the pipeline, medium
temperature etc.). See the 'Markings on
the device' section for nameplate details.
− The requested or required additional
pipe ttings (see the 'Additional ttings'
section) have been installed or prepared
as necessary before installing the valve.
Intermediate insulating piece:
When using an intermediate insulating
piece, observe the following points:
– Do not insulate the actuator and the
coupling nut as well.
– Only insulate the intermediate insu-
lating piece up to 25mm at the max-
imum.
Strainer:
When using a strainer, make sure the fol-
lowing conditions are met:
– The direction of ow of the strainer
and valve are the same.
– Install the strainer with the lter ele-
ment facing downwards.
– Sufcient space exists to remove the
lter.
Note

Samson 3222 Series Specifications

General

Brand	Samson
Model	3222 Series
Category	Valve Positioners
Language	English