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Performance
The Hydro-Jet® Screen provides screening to 6 mm in two
directions, to intercept and retain aesthetically offensive
material and gross solids at all states of flow up to the peak
storm flow with the material being returned to the continuation
sewer. The dynamic, self-cleansing screen cleans itself using
a patented, siphon initiated backwash cycle and as such requires
no external power and has no moving parts.
Device Selection
NOTE:
The decision to choose between the Hydro-Static® Screen,
the Hydro-Jet® Screen or the Heliscreen® should be
based upon the design spill frequency and catchment characteristics.
Hydro’s whole-life cost models indicate that for spills
less than 6 times a year a simple Hydro-Static® Screen
is the more cost-effective. However, spill frequencies greater
than 6 times per year require excessive maintenance. In these
applications, because of their self-cleansing attributes,
the Hydro-Jet® Screen and Heliscreen® have proved
more cost-effective.
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