EB 8012 EN
41
Maintenance
gradually in a criss-cross pattern. Ob-
serve tightening torques.
8.
Mount actuator. See associated actuator
documentation.
9.
Adjust lower or upper signal bench
range. See associated actuator docu-
mentation.
7.1.2
Version with insulating
section or bellows seal
1. Remove the actuator from the valve. See
associated actuator documentation.
2. Undo the body nuts (14) gradually in a
criss-cross pattern.
3. Lift the insulating section (21) with valve
bonnet (2) and plug with plug stem (5)
off the body (1).
4. Remove gasket (17). Carefully clean the
sealing faces in the valve body (1) and
on the insulating section (21).
5. Insert a new gasket (17) into the body.
6. Place the insulating section (21) with
valve bonnet (2) and plug with plug stem
(5) onto the body.
Version with V-port plug:
place the as-
sembly onto the valve body, making sure
that the largest V-shaped port of the
V-port plug faces toward the valve outlet.
See section 5.1.
7. Press the plug (5) firmly into the seat (4),
while fastening down the insulating sec-
tion (21) with the body nuts (14). Tighten
the nuts gradually in a criss-cross pat-
tern. Observe tightening torques.
8.
Mount actuator. See associated actuator
documentation.
9.
Adjust lower or upper signal bench
range. See associated actuator docu-
mentation.
7.2
Replacing the packing
NOTICE
Risk of control valve damage due to
incorrect service or repair.
The packing can only be replaced
when all the following conditions are
met:
−
The valve size is
≤
NPS 6.
−
The valve does not have a bal
-
anced plug.
−
The valve does not have a bellows
seal.
−
The standard or ADSEAL packing
is installed in the valve.
To replace the packing in other valve
versions, contact SAMSON's After‑
sales Service department.
Summary of Contents for 3241
Page 11: ...EB 8012 EN 11 Safety instructions and measures...
Page 37: ...EB 8012 EN 37 Operation...
Page 58: ...58 EB 8012 EN Appendix...
Page 62: ...62 EB 8012 EN...
Page 63: ...EB 8012 EN 63...
