Table of Contents
Advertisement
11 Installation in piping
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
GEMÜ B52
6
7
Torque [Nm]
8
8
8
14
14
20
23
28
45
60
75
11.3 Installation with threaded connections
1. Screw ball valve body 1 onto piping R using an appropriate
thread sealant. The thread sealant is not included in the
scope of delivery.
2. Hold in place with open-end wrench W.
3. Connect the ball valve body 1 to piping on the other side in
a like manner.
30 / 55
W
R
1
www.gemu-group.com
Advertisement
Table of Contents
