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Solutions for cistern-less WC flush 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, which The design must be able to adapt to any type of environment,
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, 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 compared to a cistern flush.
Direct flush guarantees optimum cleanliness.

CISTERN-LESS WCs

SIZING HORIZONTAL FINAL PIPEWORK

DTU update (August 2013)

Simultaneous use
The DTU (Unified Technical Document) confirms 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) and there installed simultaneously
is no refill time. 3 valves 1 valve
So calculations for pipe diameters for direct flush systems are 4 to 12 valves 2 valves
not made in the same ways 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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