4. Holes in the Carat S tank
4.1
Holes for the upper tank connections
Holes for DN 100 inlet and drain pipes are to be drilled in all tanks and fitted with GRAF DN 100 edge
seals. A core drill (Ø 124 mm) is required for drilling.
Alternatively, inflow to the first tank can lead through the tank dome.
The height of the hole on the end faces of the tank can be found in the table below.
Tank
2700 L
Height
140 mm
4.2
Lower tank connections (only for 4-tank systems)
4.2.1
Holes for the lower tank connections
The preliminary cleaning/sludge storage tanks are connected to one another via the end faces. The
relevant drilling height can be found in the table above, yet this distance must be measured from below.
4. Holes in the Carat S tank
Hole on the end face for upper tank connections
3750 L
150 mm
29 / 92
4800 L
230 mm
6500 L
250 mm