Vortex Flow Control Back

  • When used as an outlet flow control, reduces storage requirements by up to 30%
  • When used for runoff volume reduction and green infrastructure schemes, controls more flow than an equivalent orifice for greater on-site detention/retention capacities
  • Up to 50% savings in project costs
  • Self-activatingwith no moving parts or power requirements
  • Area of opening is 3-6 times larger than the equivalent orifice
  • Virtually maintenance free
  • Performance proven with 17,000 installations worldwide