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Solutions for cistern-less flush WC systems /

Space saving Wide, design-led range
Thanks to the absence of a cistern, direct flush allows significant At DELABIE, aesthetics play a major role in product development.
space saving. DELABIE frame systems are also very compact, The design must be able to adapt to any type of environment,
which is a real advantage for buildings seeking to optimise space. as well as being both durable and reliable. This is why DELABIE
offers a wide range of WC valves: electronic, time flow, exposed,
recessed, cross wall and with or without a frame system.
A variety of finishes are also available (satin, chrome, matte black
or even black glass). This wide range of DELABIE solutions allows
all the requirements of public and commercial buildings to be met.

Efficiency
Connected directly to the water system, direct flush uses the
system's water pressure to flush the WC pan. As a result, the flush is
more powerful and more effective than a cistern flush.
Direct flush guarantees optimal cleanliness.

CISTERN-LESS WCs

SIZING HORIZONTAL FINAL PIPEWORK

DTU update (August 2013)

Simultaneous use
The DTU (Unified Technical Document) provides the special The DTU recommends the following method for direct flush valves:
calculation method for direct flush valves.
Number of valves Number of valves used
The operating time is very short (a few seconds long) and there installed simultaneously
is no refill time. 3 valves 1 valve
So the calculations for pipe diameters for direct flush systems 4 to 12 valves 2 valves
are not made in the same way as for cistern flush systems. 13 to 24 valves 3 valves
25 to 50 valves 4 valves
> 50 valves 5 valves

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