Connecting Multiple Tanks; Flat - 4rain FLAT Installation/Assembly And Maintenance Instructions

5.4 Connecting multiple tanks

5.4.1 FLAT

Multiple tanks are interconnected by means of the
connecting set and DN 50 HT pipes. The connect-
ing set contains 4 × DN 50 special seal, 4 × DN 50
HT pipe, a lubricant, and a core drill 58 mm in di-
ameter.
Each tank is interconnected via the drill holes at
the top and bottom of the tanks (see Fig. 22). The
openings for these connections must be made with
a core drill 58 mm in diameter. The openings take
the DN 50 special seals. Lubricant should be ap-
plied to the seal and the end of the pipes: they can
then slide more easily over each other.
Once in the pit, the tanks can be interconnected
along their lengths or widths.
The respective distances must be observed (L
100 mm, W mm).
The connecting pipes may not be shortened and
must project by at least 100 mm into the tanks.
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5 Installation and assembly
Fig. 22:Drill holes for interconnecting multiple tanks
– FLAT
Fig. 23:Interconnecting multiple tanks – FLAT
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Drill holes
L
W 0 mm
100 mm