Products Standard headwalls
Angled headwalls
Rectangular headwalls
Headwalls with penstocks
Material Concrete
Number of segments One piece
Accessories Fitted flap valves
Gratings
Max. pipe diameter (mm) 900mm
 
 
 

Marshalls CPM manufactures off-site precast concrete headwalls designed to connect pipe outflows into open water courses.

Key features

  • Accommodates pipe diameters up to 900mm
  • Optional pre-fitting with closed coupled and cranked gratings
  • Three standard sizes and various height options available
  • Can be supplied with Hydro-Brakes®, penstocks and non-return flap valves

Key benefits

  • Cost-effective alternative to cast in-situ headwalls
  • Prefabricated off-site under factory conditions
  • Lower installation costs with no on-site shuttering or formwork
  • Reduced installation times
  • Little or no on-site fabrication
  • Low maintenance


Marshalls CPM manufactures off-site precast concrete headwalls designed to connect pipe outflows into open water courses.

Key features

  • Accommodates pipe diameters up to 900mm
  • Optional pre-fitting with closed coupled and cranked gratings
  • Three standard sizes and various height options available
  • Can be supplied with Hydro-Brakes®, penstocks and non-return flap valves

Key benefits

  • Cost-effective alternative to cast in-situ headwalls
  • Prefabricated off-site under factory conditions
  • Lower installation costs with no on-site shuttering or formwork
  • Reduced installation times
  • Little or no on-site fabrication
  • Low maintenance


 
 
 
Downloads
  • Marshalls Civils & Drainage water management brochure
    Marshalls Civils & Drainage water management brochure
    78pp 3.54MB
    Download
 
 
 
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