Installation With Clamp Connections - GEM B54 Operating Instructions Manual

5
3. Fully unscrew the nuts 5. With the bolt that goes through
the tab, only loosen the nut 5.
4. Pull out the bolts 7.
5. Swivel out the ball valve 6 with seat seals and flange
seals.
6. Weld the pipes 1 and 4 on the left and right to the butt
weld spigots 2 and 3.
7. Allow the butt weld spigots to cool down.
8. Reinstall the ball valve between the butt weld spigots.
Take care that the seat seal and flange seal are correctly
positioned. Align the centre section 6 concentrically with
butt weld spigots 2 and 3.
9. Tighten the nuts diagonally, counterhold with a wrench.
Nominal size
DN8
DN10
DN15
DN20
DN25
DN32
DN40
DN50
DN65
DN80
DN100
www.gemu-group.com
6 7
Torque [Nm]
8
8
8
14
14
20
23
28
45
60
75

11.3 Installation with clamp connections

1. Ensure sealing surfaces on the connection clamps are
clean and undamaged.
1 2 3
2. Carefully align connection clamps 1 and 3 before connect-
ing.
3. Centre the seals 2 accurately.
4
4. Connect the clamp of the ball valve and the clamp of the
piping with the appropriate sealing clamp 4.
5. Only use connector elements made of approved materials!
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11 Installation in piping
3 2 1
4
GEMÜ B54