EB 8026 EN
35
Servicing
Fasten down the flange (2) with the body
nuts (14). Tighten the nuts gradually in a
criss-cross pattern. Observe 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) or bellows
seal (22) together with flange (2) and
plug with plug stem (5) off the body (1).
4. Remove the gasket (17). Carefully clean
the sealing faces in the valve body (1)
and on the insulating section (21) or bel-
lows seal (22).
5.
Insert a new gasket (17) into the body.
6. Place the insulating section (21) or bel-
lows seal (22) together with the flange
(2) and plug with plug stem (5) onto the
body.
Mixing valve with V-port plug:
place the
assembly onto the valve body, making
sure that the largest V-shaped port of the
V-port plug faces toward the valve outlet
(
AB
) at the side. See section 5.1.
7.
Diverting valve:
firmly press the plug (5)
into the top seat (4).
Mixing valve:
firmly press the plug (5)
into the bottom seat (141).
Fasten down the insulating section (21)
or bellows seal (22) with the body nuts
(14). Tighten the nuts gradually in a
criss-cross pattern. 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
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 does not have a balanced plug.
−
The valve does not have a bellows seal.
−
The standard or ADSEAL packing is in
-
stalled in the valve.
To replace the packing in other valve ver
-
sions, contact SAMSON's After‑sales Service
department.
7.2.1 Standard version
Standard packing (PTFE)
1. Remove the actuator from the valve. See
associated actuator documentation.
NOTICE
!
Summary of Contents for 3244
Page 11: ...EB 8026 EN 11...
Page 31: ...EB 8026 EN 31...
Page 48: ...48 EB 8026 EN...
Page 50: ...50 EB 8026 EN 81 25 84 83 82 80 32 2 11 12 16 8 10 9 15 7 39 30 33 14 21 23 81 26...
