Gemü 741 Montageanleitung Seite 27

Installation - Butt weld spigots:
Adhere to good welding practices!
Different versions!
Depending on the version, one of
the bolts is guided through a lug
(arrow) on the body.
With this version only unscrew that
bolt slightly. Unscrew the other
bolts completely and swivel the
centre section aside instead of
removing it.
R S
1. Centre and fix butt weld spigots S right
and left on piping R.
19
2. Loosen nuts 19 completely.
3. Remove bolts 20.
4. Remove centre section KM.
5. Weld butt weld spigots S right and left to
the piping R.
6. Allow butt weld spigots to cool down.
S R
KM 20
7. Reassemble the ball valve.
8. Tighten nuts 19a - 19d diagonally,
holding them with a wrench.
19a
19d
Installation - Clamp connections:
1. Ensure that the sealing surfaces of
the connection clamps are clean and
undamaged.
C1 D C2
2. Carefully align the ball valve 1 centred
between pipes with clamps (C1 and C2).
3. Centre the seals D accurately. Seals are
not included in the scope of delivery.
4. Connect ball valve clamp and piping
clamp with suitable sealing clamp C.
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19c
19b
1 C2 D C1
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