9-12
EB 8061 EN
Servicing
6. Pull the plug with plug stem (5) out of the
insulating section (21).
7. Pull the entire packing out of the packing
chamber using a suitable tool.
8. Renew the damaged parts and carefully
clean the packing chamber.
9.
Apply a suitable lubricant to all the pack-
ing parts and to the plug stem (5).
10. Slide the plug with plug stem (5) into the
insulating section (21).
11. Place the insulating section (21) together
with the plug stem and plug (5) onto the
body.
Version with V-port plug:
place the insu-
lating section (21) onto the valve body,
making sure that the largest V-shaped
port of the V-port plug faces towards the
valve outlet.
Version with perforated plug:
place the
insulating section (21) onto the insulating
section, making sure that the hole of the
plug that releases the flow first faces to-
ward the valve outlet.
See relevant information under 'Mount-
ing the actuator onto the valve' in the 'In-
stallation' section.
12. Carefully slide the packing parts over the
plug stem into the packing chamber us-
ing a suitable tool. Observe the proper
sequence (see Fig. 9-2).
13. Firmly press the plug (5) into the seat (4).
Fasten down the insulating section (21)
with the top body nuts (14). Tighten the
nuts gradually in a crisscross pattern.
Observe tightening torques.
14. Screw in the threaded bushing (8) and
tighten it. Observe tightening torques.
15. Place yoke (3) onto the insulating section
(21) and fasten using the castellated nut
(92).
16. Loosely screw the lock nut (10) and stem
connector nut (9) onto the plug stem.
ADSEAL packing
1. Proceed as described in ‘Standard pack-
2. Carefully slide the packing parts over the
plug stem into the packing chamber us-
ing a suitable tool. Observe the proper
sequence (see Fig. 9-3).
3. Slide the seals (15.2) over the plug stem.
1
Body
2
Bonnet
3
Yoke
4
Seat
5
Plug (with plug stem)
7
Guide bushing
8
Threaded bushing (packing nut)
9
Stem connector nut
10
Lock nut
13
Stud bolt
14
Nut
15
Packing
17
Body gasket
21
Insulating section
92
Castellated nut
93
Expansion sleeve (for Class 150 to 2500)
100
Flange
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