A floating roof drainage system is mounted in tank systems with floating roofs and is equipped with a roof drain valve and a pipe system with several joints.
The system is connected to a collecting main. Rain water can be drained from the floating roof Floating roof A floating roof is the roof of a tank that is fitted with floating chambers (pontoons) and lies on top of the liquid. through the opened roof drain valve Roof drain valve A roof drain valve is mounted on floating-roof tanks and allows controlled draining of collected rain water into the sewage system via a floating roof drainage system. and the connected pipes into the collecting main.
