ONV Series is suitable for shallow pools where high flow drainage or suction lines are required. The unique 6-blade and cover design allow water suction without creating vortex.

The high-flow anti-vortex fittings of the ONV Series are made of pure corrosion-resistant AISI 316L Stainless Steel and offer excellent corrosion and impact resistance.

The ONV is also available with a socket-type cover that can be filled with the surrounding tiling surface.

  • Unique 6-blade and cover design to eliminate vortex
  • Ideal for shallow pools with high flow requirements
  • Made of Stainless Steel 316L
  • Easy installation & maintenance
  • Bead blasted finish for improved adhesion to concrete
  • High corrosion & impact resistance

Technical Specifications

ONV Drawing

in mm


in mm

ONV 200 2" Ø255 88
ONV 300 3" Ø255 95
ONV 400 4" Ø400 123
ONV 600 DIN150 PN10 Type Flange Ø400 154



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