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Althon SP27F precast headwalls are produced with wing walls 700mm high at the front of the apron. SP27F precast headwalls are for inlets or outlets situated in locations with high or steep embankments or where the structure is required to provide protection to an accessory such as a flap valve, duck bill valve, stop logs or weir wall. SP27F precast headwalls have been designed to suit plastic, clay or concrete pipework up to 1050mm and have a backwall height of 1650mm. SP27F precast headwalls are manufactured in 2 sections. Althon SP27F precast concrete headwalls are cast to suit the diameter and type of pipe being used and can be provided with fixings cast in at the time of manufacture to accommodate gratings, trash screens, flap valves, ladders, guardrails and flow and depth monitoring equipment.

SP27 precast headwall units can be factory fitted with a range of accessories such as flap valves, penstocks, Kee Klamp® handrails and a selection of gratings depending on the application. The SP27F headwall weighs 7585kg / 3793kg per half.

If you require any assistance or more information please contact us by phone on 01603 488700 or by email sales@althon.co.uk

SP27 F Headwall line drawing
As standard our headwalls have a natural concrete finish.
We can offer coloured headwalls in 4 colours but the final shade is affected by many influences.
Our Headwall Products are available in a range of colours
Natural
Our Headwall Products are available in a range of colours
Cotswold
Our Headwall Products are available in a range of colours
Agate
Our Headwall Products are available in a range of colours
Raven Grey
Our Headwall Products are available in a range of colours
Everglade
Product Name
Max Pipe Opening PCC
Max Pipe Opening Plastic / C'ware
Backwall Height
Approx Headwall Weight (kg)
SP27 F Headwall
1050
1050
1650
7585

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    SP27 F Headwall + 950 x 300mm Toe + 250mm Flap Valve + Cranked Grating + 3 Sided Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 250mm Flap Valve + Backwall Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 250mm Flap Valve + Cranked Grating + Backwall Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 250mm Flap Valve + Halfway Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 250mm Flap Valve + Cranked Grating + Halfway Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 300mm Flap Valve

    SP27 F Headwall + 950 x 300mm Toe + 300mm Flap Valve + Cranked Grating

    SP27 F Headwall + 950 x 300mm Toe + 300mm Flap Valve + 3 Sided Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 300mm Flap Valve + Cranked Grating + 3 Sided Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 300mm Flap Valve + Backwall Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 300mm Flap Valve + Cranked Grating + Backwall Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 300mm Flap Valve + Halfway Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 300mm Flap Valve + Cranked Grating + Halfway Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 400mm Flap Valve

    SP27 F Headwall + 950 x 300mm Toe + 400mm Flap Valve + Cranked Grating

    SP27 F Headwall + 950 x 300mm Toe + 400mm Flap Valve + 3 Sided Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 400mm Flap Valve + Cranked Grating + 3 Sided Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 400mm Flap Valve + Backwall Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 400mm Flap Valve + Cranked Grating + Backwall Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 400mm Flap Valve + Halfway Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 400mm Flap Valve + Cranked Grating + Halfway Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 500mm Flap Valve

    SP27 F Headwall + 950 x 300mm Toe + 500mm Flap Valve + Cranked Grating

    SP27 F Headwall + 950 x 300mm Toe + 500mm Flap Valve + 3 Sided Kee Klamp

    SP27 F Headwall + 950 x 300mm Toe + 500mm Flap Valve + Cranked Grating + 3 Sided Kee Klamp

     

    Brochures, Datasheets and Installation Instructions for SP27 F Headwall

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