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17 Removal from piping
KM
18
7. Loosen the nuts 19 of the flange bolts 18 of the ball valve
and remove with washers 20.
8. Remove flange bolts 18.
9. Remove centre section KM.
5
4
10. Remove sealing washers 5 and seat seal 4 on both sides
of the ball valve.
11. Move the ball to the closed position b.
12. Remove ball c.
GEMÜ 798
20
4
5
b
c
13. Carefully press spindle 7 into body and remove.
19
14. Remove seals 9 and 8 upwards from the ball valve.
▶ Seal 8:
▶ DN 8–50: 2 pieces
▶ DN 65–100: 3 pieces
15. Remove O-ring 23 from spindle 7.
▶ O-ring 23 is not available for connection type spigot
ASME BPE code 59.
16. Remove seal 6 from spindle 7.
17. Mount the seals and the ball valve in reverse order.
17 Removal from piping
1. Remove the clamp or screw connections in reverse order
to installation.
2. Remove welded or solvent cemented connections using a
suitable cutting tool.
3. Observe the safety information and accident prevention
regulations.
46 / 51
9
8
23
6
7
NOTICE
NOTICE
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7
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