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11.4 Installation with flanged connections
▶ Observe valid standards for mounting flanges!
F1D
1. Ensure sealing surfaces on the mating flanges are clean
and undamaged.
2. Only use connector elements made of approved materials!
3. Install the ball valve in the state it is delivered.
4. Carefully align the ball valve body 1 centrally between the
pipes with flanges (F1 and F2).
5. Centre the seals D accurately. Seals are not included in the
scope of delivery.
6. Connect the ball valve flange and the piping flange using
appropriate sealing material and matching bolting. Sealing
material and bolts are not included in the scope of deliv-
ery.
SN
M
7. Insert bolts SN in all holes in the flange.
8. Slightly tighten the bolts SN and nuts M diagonally.
9. Check the alignment of the piping.
10. Tighten the nuts M diagonally.
Observe appropriate regulations for connections!
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NOTICE
D F2
1
11.5 After the installation
● Re-attach or reactivate all safety and protective devices.
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11 Installation in piping
GEMÜ B52
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