Drainagesysteem voor actieve en passieve vloeistofdrainage.

摘要

The invention relates to a drainage system (1) with a closed liquid circuit comprising a stand pipe (7) which is connected to a supply tank (3) and the free stand pipe end of which is provided with means for coupling to a siphon hose (29) of a suction plug (30) for a growth substrate (13), and with means for coupling to a drainage slab (16) for a growth substrate (13) which can drain onto a drainage opening (26) arranged in the stand pipe (7).