Samson 3241, Монтаж и эксплуатация

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EB 8012 EN 43
Maintenance
7.2.2 Version with insulating
section
Standard packing (PTFE)
1. Remove the actuator from the valve. See
associated actuator documentation.
2. Unthread the stem connector nut (9) and
lock nut (10) from the plug stem exten-
sion (25).
3. Unscrew the threaded bushing (8).
4. Remove nuts (33) and bolts (32).
5. Carefully lift the valve bonnet (2) over the
plug stem extension (25).
6. Pull all the packing parts out of the pack-
ing chamber using a suitable tool.
7. Renew the damaged parts and carefully
clean the packing chamber.
8. Apply a suitable lubricant to all the pack-
ing parts and to the plug stem extension
(25).
9. Carefully lift the valve bonnet (2) over the
plug stem extension (25) onto the insulat-
ing section (21).
16
8
12
16
15.2
15
15.1
11
2 Valve bonnet
5 Plug with plug stem
8 Threaded bushing (packing nut)
11 Spring
12 Washer
15 Packing
15.1 Shim with retaining ring
15.2 Seals
16 Packing rings
16
8
12
11
2
5
Fig. 9: Standard packing (left) and ADSEAL packing (right)