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– Turn valve disc open and close repeatedly, so that the elastomer semi spheres can settle in the elastomer
groove of the lining.
– Before installing into the system, check valve for tightness. If leakage occurs at a valve, follow paragraph
8 < In case of emergency >.
7.2
Spare parts list
Pos.
Designation
1
Feed Shaft (one part)
2
Upper feed shaft bearing
3
Middle feed shaft bearing
4
Lower feed shaft bearing
5
Body (two parts)
6
Holding ring
7
Spring ring
8
Washer
1, 2
9
Body screw
10
Seal (upper part)
1, 2
11
Body lining
1, 2
12
Elastomer semi-sphere
1, 2
13
Valve disc
1
14
Seal (lower part)
1, 2
15
Seal ring
1, 2
16
O-ring (seal ring)
1, 2
17
Type label
18
Grooved stud
19
O-fing (feed shaft)
20
Securing element
1, 2
22
O-ring (head flange)
25
Screw
26
Spring ring
27
Head flange
28
Seal (head flange)
1 = Spare parts kit for fully lined valves
2 = Spare parts kit for valves with metallic disc
24
Leaders in Sealing Integrity
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