IM-S24-42
CTLS Issue 10
51
5.4 Replacement of graphite gland packings
(reference Figure 20)
-
Remove the lock-nut from the stem (
20
), and withdraw the plug stem assembly (with cage on balanced
versions).
-
Withdraw the graphite packing (
26
) and discard. Remove all metal components, washer (
14
) and spacers
(
10
) carefully noting how many components have been removed as it will differ on each valve size. Clean
and examine these components replacing any that show signs of damage or deterioration.
-
Clean the gland cavity and reassemble the gland components in the order shown in Figure 17.
Note
that the lower bearing must be fitted with the radiused edge downwards. When fitting the graphite
seals, the scarf joints in each seal must be offset from the one below by 90
°
.
-
Apply a light smear of anti-seize lubricant to the gland nut threads before screwing it in sufficiently to
seat and hold the packing without compressing it.
-
Final adjustment of the gland must be carried out after refitting the bonnet as detailed in Section 5.6.
Fig. 18
17
18
12
10
14
9
8
26
14
10
Fig. 19
Fig. 20
12
Summary of Contents for Spira-trol K Series
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Page 53: ...IM S24 42 CTLS Issue 10 53 Fig 22 Balanced 3 19 4 6 16 31 Fig 21 15...
Page 57: ...IM S24 42 CTLS Issue 10 57 C1 C D1 D2 D B E G A H Soft seat arrangement C2 Fig 26 H1...
Page 61: ...IM S24 42 CTLS Issue 10 61 C2 B D4 D5 E G D F A H Soft seat arrangement Fig 28 H1...
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