Underdrain/Air Scour Piping All Stainless Steel Construction
Patent #6,090,284 6,569,328 6,691,413B2

Enviroquip offers two designs:

• Our original design (introduced in 1980) and the fine opening design (introduced in 1998) that does not require support gravel
• Uniform distribution of air and water with separate conduits
• Air introduced above the underdrain

• Simultaneous air/water cleaning
• Simple installation, anchored in place
• Ideally suited for filter retrofits
• Orifice geometry and resulting headloss custom designed for each project

Other Water Treatment Products Offered by Enviroquip:

• Filter backwash troughs – stainless steel and fiberglass
• Filter controls
• Paddle floculators – solids contact clarifiers
• Traveling bridge clarifiers
• Decant thickeners
• Air scour retrofits

Protected by US Patent numbers 6090284, 6569328, 6691413