Modern high-rise buildings are all about the optimisation of space in the inhabitable areas. What we can’t see from our space-optimised interiors is the space taken up behind the walls – by elements such as bathroom and kitchen drainage systems, for example.

The traditional ventilation pipes in the drainage systems of high-rise buildings take up a considerable amount of space. But Geberit is changing that with its super-compact SuperTube technology, which makes it possible to dispense with the ventilation pipes entirely.

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A continuous column of air is key when it comes to achieving space-saving and neat solutions for drainage systems in high-rise buildings.

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A continuous column of air is key when it comes to achieving space-saving and neat solutions for drainage systems in high-rise buildings. Geberit’s SuperTube technology is based on the Geberit Sovent fitting and two flow-optimised bends. The HDPE Sovent fitting separates the water of the stack and the floor pipe, with pressure compensation taking place within the stack itself.

A demonstrative installation of the SuperTube system

The fitting causes the water to rotate, which generates a continuous column of air and increases the discharge capacity. In conjunction with the two bends, the continuous column of air that results renders additional ventilation pipes unnecessary.

The two bends (BottomTurn and BackFlip) ensure that this column of air is maintained even when there is a change in direction, thus guaranteeing proper ventilation. The system also allows for the possibility of smaller pipe diameters, with the discharge capacity still reaching almost the same levels as those of conventional systems. What’s more, horizontal pipes can be installed without a slope up to a length of six metres.

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The SuperTube system also allows for the possibility of smaller pipe diameters, with the discharge capacity still reaching almost the same levels as those of conventional systems.

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All this adds up to a space-saving solution. “Wherever building owners, architects and sanitary engineers seek to achieve the maximum possible living space, the planning of the drainage system becomes particularly interesting,” says Daniel Looi, Head of Marketing at Geberit NSEA. He continues, “With Geberit’s SuperTube technology, space savings can be made and the complexity reduced.”