Ortho-Wash Trough

Why to Use Baffled Wash Troughs

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Ortho-Wash Troughs: Guaranteed Filter Media Retainage

Did you know that Orthos manufactures media retention troughs for low-freeboard granular media filters? In this Orthos Liquid Systems video chat, Stuart Humphries, Director of Filtration Technologies for Orthos, explains how media loss is prevented during combined air-water backwash using Ortho-Wash™ baffled troughs.  Sustained air-water backwash may be run as long as desired regardless of the distance from the media top to the trough bottom. 

Ortho-Wash™ troughs are constructed of 304- or 316 stainless steel to provide long, clear spans, durability, and maintenance-free service. 

Be sure to visit the Ortho-Wash™ Trough page!

  • Negligible media loss during concurrent air scour and backwash at prescribed rates
  • Allows for sustained air scour with backwash
  • Wide range of capacities
  • Stainless steel construction provides long service life
  • Adjustable baffles and weirs for optimum performance

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Resilient – Reliable – Sustainable – Permanent 

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Remember Orthos’ HUGE life cycle cost benefits– At the end of the filter’s life cycle (~25 years), in contrast to a complete plastic block or folded sheet metal underdrain overhaul, nozzles are simply replaced
potentially saving $Millions.
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