4
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Holes in the Carat S tank
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4.
Holes in the Carat S tank
4.1
Holes for the upper tank connections
Depending on size, holes for DN 110 or DN 160 inlet and drain pipes are to be drilled in all tanks and
fitted with GRAF edge seals
Inhabitants
Pipe
diameter
Hole
diameter
Up to 32 inhabitants
DN 110
124 mm
50 or more inhabit-
ants
DN 160
175 mm
The inlet to the 1st tank can alternatively take place via the tank dome.
The height of the hole on the top of the tank can be found in the table below.
Hole for upper tank connection
Carat 2700/3750
Hole for upper tank connection
Carat 4800/6500
Tank
2700 l
3750 l
4800 l
6500 l
H
1
DN110
145 mm
145 mm
190 mm
205 mm
H
2
DN110
145 mm
145 mm
190 mm
205 mm
H
1
DN160
-
-
150 mm
180 mm
H
2
DN160
-
-
150 mm
180 mm
H2
H1
H2
H1