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The Enviroquip media retaining folded plate underdrain follows many years of proven performance in gravity filter systems. 0.25mm openings allow placing the filter media directly on the underdrains and air laterals. Combination of low profile and media retaining design allow deeper media stacks than previously available with other underdrain designs.
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The EWT™ CastKleen® underdrain cuts installation costs and boosts backwash performance. By combining a rapid fit floor-forming system with the consistent flow management of FlexKleen® nozzles, the cast-in-place CastKleen® underdrain offers substantial savings
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The EWT™ FlexKleen® nozzles incorporate hydraulic characteristics and structural features developed from Ovivo’s experience of designing filter underdrain nozzles. FlexKleen nozzles are suitable for both heavy industrial waste applications and light-duty water treatment.
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FlexScour® filter underdrains provide a durable, corrosion-resistant system for collecting filtered effluent and for the accurate metering of uniform air + water backwash flows. Innovative design features eliminate the two problems that have plagued other air + water cleaning systems.
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The EWT™ QuadraKleen™ filter is a modular, four-cell granular media filter that delivers economical, continuous filtration in a variety of water treatment flow sheets.
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The EWT™ ScourGuard™ backwash troughs allow granular media filters to be cleaned by simultaneous application of air scour and backwash water, with only minimal media loss in the backwash waste.
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