Precast concrete headwalls with factory-fitted duckbill valves for water control at outfalls. Multiple valves can be fitted to a single headwall, with each unit supplied pre-assembled to reduce site installation time and avoid on-site drilling.

  • Precast concrete headwall with integrated duckbill valve for outfall water control

  • Factory-fitted valves for accurate fit and reduced installation time

  • Multiple valves can be fitted to one headwall

  • No on-site drilling required

  • CAD and PDF drawings available for specification

Applications

  • Watercourse outfalls

  • Drainage systems

  • Flood prevention schemes

  • Surface water management

  • Infrastructure projects

Options and variations

Available with single or multiple duckbill valves fitted to one headwall.