Taunusstein - Germany

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HydroSlide® Combi

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Combi & Flat Flow
The universal regulator for (semi-) dry or wet installation

The challenge

Modern mechanical flow regulators will have to meet higher demands in the future. They will be installed wet as well as dry.


Maintenance from the upper level will be taken for granted. Vertical Q/h curves are a matter of course, otherwise additional expensive retention volume has to be built. Due to simulation programs, today’s canal systems are exhausted. Discharge regulators now have to work reliably under harsh conditions!

The solution

The HydroSlide Combi combines many functions in one unit: it can be installed (semi)-dry or wet in any situation, from raw wastewater to stormwater and in cases of very limited space. The normally necessary sole jump is not required. The precisely functioning mechanism is protected under the cover. It can be completely flooded without suffering any damage.
Even if it is seldom necessary: the inspection opening allows for easy maintenance. The operation of the HydroSlide Combi, if necessary at all, is done from the pavement: hand pulley for opening, closing the inlet (slide), cleaning, etc..

HydroSlide Flat Flow – half-dry

HydroSlide Combi – half-dry

HydroSlide Flat Flow – wet

HydroSlide Combi – wet

The advantages

it can be installed (semi-) dry or wet
it creates constant flows (±5%)
automatic blockage clearance
it is extremely easy to maintain
no need for external power
operable from above
it does not require a sole jump
it is completely closed off (optional)
it has an vortex-inhibiting inlet pipe in the (semi-) dry version
small and compact
robust and durable – because it is made of stainless steel
The speciality on the HydroSlide FlatFlow is the capability to clean itself automatically on plugging even with very low impounding heads. By this reason the FlatFlow is the best choice for controlling flow within overflow chambers, having a small weir height (below 1000mm).

Cost effectiveness

very inexpensive
can be optimized to local requirements
does not need external power
almost maintenance-free