RSFA12F Left Hand Angled Rectangular Precast Headwalls are Sewers for Adoption compliant precast concrete headwalls for outfalls discharging into ponds, swales, ditches beaches and rivers. RSFA precast headwalls come with the option of two thicknesses of toe, 300mm and 500mm, each of which is available in three depths. Althon RSFA12F Left Hand rectangular precast headwalls have horizontal wingwalls and are suitable for use with plastic or clay pipework up to 225mm. RSFA12F Left Hand precast headwalls have angled spillways typically for when pipework is discharging into a river. Althon RSFA12F Left Hand precast headwall units can be pre-fitted with a range of accessories such as flap valves, penstocks, Kee Klamp® handrails and a selection of gratings depending on the application.

Our RSFA12F Left Hand precast headwalls are manufactured in accordance with Severn Trent Water Standard detail STD6002. All RSFA Headwalls are cast with the opening in the back wall to suit the size and type of pipe being used at the invert level required. The RSFA12F LH Angled headwall weighs 1650kg.

RSFA12F LH Angled Headwall line drawing
Product Name
Max Pipe Opening PCC
Max Pipe Opening Plastic / C'ware
Backwall Height
Approx Headwall Weight (kg)
RSFA12F LH Angled Headwall
225
225
775
1650

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    RSFA12F LH Angled Headwall

    RSFA12F LH Angled Headwall + Closed Coupled Grating

    RSFA12F LH Angled Headwall + Cranked Grating

    RSFA12F LH Angled Headwall + Sloped Grating

    RSFA12F LH Angled Headwall + 3 Sided Kee Klamp

    RSFA12F LH Angled Headwall + 3 Sided Kee Klamp + Closed Coupled Grating

    RSFA12F LH Angled Headwall + 3 Sided Kee Klamp + Cranked Grating

    RSFA12F LH Angled Headwall + 3 Sided Kee Klamp + Sloped Grating

    RSFA12F LH Angled Headwall + Backwall Kee Klamp

    RSFA12F LH Angled Headwall + Backwall Kee Klamp + Closed Coupled Grating

    RSFA12F LH Angled Headwall + Backwall Kee Klamp + Cranked Grating

    RSFA12F LH Angled Headwall + Backwall Kee Klamp + Sloped Grating

    RSFA12F LH Angled Headwall + Halfway Kee Klamp

    RSFA12F LH Angled Headwall + Halfway Kee Klamp + Closed Coupled Grating

    RSFA12F LH Angled Headwall + Halfway Kee Klamp + Cranked Grating

    RSFA12F LH Angled Headwall + Halfway Kee Klamp + Sloped Grating

    RSFA12F LH Angled Headwall + 100mm Flap Valve

    RSFA12F LH Angled Headwall + 100mm Flap Valve + 3 Sided Kee Klamp

    RSFA12F LH Angled Headwall + 100mm Flap Valve + Backwall Kee Klamp

    RSFA12F LH Angled Headwall + 100mm Flap Valve + Halfway Kee Klamp

    RSFA12F LH Angled Headwall + 150mm Flap Valve

    RSFA12F LH Angled Headwall + 150mm Flap Valve + 3 Sided Kee Klamp

    RSFA12F LH Angled Headwall + 150mm Flap Valve + Backwall Kee Klamp

    RSFA12F LH Angled Headwall + 150mm Flap Valve + Halfway Kee Klamp

    RSFA12F LH Angled Headwall + 200mm Flap Valve

    Datasheet and Installation Instructions for RSFA12F LH Angled Headwall

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