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
Up to 32 inhabitants
50 or more inhabit-
ants
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
Tank
H
DN110
1
H
DN110
2
H
DN160
1
H
DN160
2
4. Holes in the Carat S tank
Pipe
Hole
diameter
diameter
DN 110
124 mm
DN 160
175 mm
H1
H2
2700 l
3750 l
145 mm
145 mm
145 mm
145 mm
-
-
-
-
Hole for upper tank connection
Carat 4800/6500
4800 l
190 mm
190 mm
150 mm
150 mm
43 / 144
H1
H2
6500 l
205 mm
205 mm
180 mm
180 mm