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N27D range of precast headwalls are suited for installation where you have steep banks or little depth from back to front for installation

Our N27D range of headwalls are manufactured to the same standards as our Sewers for Adoption headwalls and can be used on Section 104 Agreements where the sewers are to be adopted by the local water company.

N27D headwalls have been designed to suit plastic and clay pipework up to 1200mm ID or concrete pipework up to 1050mm ID. 

N27D precast concrete outfalls 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, penstocks, ladders, Kee Klamp® handrails and flow and depth monitoring equipment.

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

N27D 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)
Wingwall Profile
N27D Headwall
1050
1200
1750
4935
1:3

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    All Available Downloads for N27D Headwall - Page 14 of 47

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    N27D Headwall + 500 x 300mm Toe + 1100mm Penstock + Cranked Grating

    N27D Headwall + 500 x 300mm Toe + 1100mm Penstock + 3 Sided Kee Klamp

    N27D Headwall + 500 x 300mm Toe + 1100mm Penstock + Cranked Grating + 3 Sided Kee Klamp

    N27D Headwall + 500 x 300mm Toe + 1100mm Penstock + Backwall Kee Klamp

    N27D Headwall + 500 x 300mm Toe + 1100mm Penstock + Cranked Grating + Backwall Kee Klamp

    N27D Headwall + 750 x 300mm Toe

    N27D Headwall + 750 x 300mm Toe + Sfa1 375 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + Sfa1 450 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + Sfa1 525 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + Sfa1 600 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + Sfa1 675 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + Sfa1 750 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + Sfa1 825 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + Sfa1 900 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + Sfa1 1050 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + Cranked Grating

    N27D Headwall + 750 x 300mm Toe + 3 Sided Kee Klamp

    N27D Headwall + 750 x 300mm Toe + 3 Sided Kee Klamp + Sfa1 375 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + 3 Sided Kee Klamp + Sfa1 450 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + 3 Sided Kee Klamp + Sfa1 525 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + 3 Sided Kee Klamp + Sfa1 600 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + 3 Sided Kee Klamp + Sfa1 675 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + 3 Sided Kee Klamp + Sfa1 750 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + 3 Sided Kee Klamp + Sfa1 825 Outfall Safety Grille

    N27D Headwall + 750 x 300mm Toe + 3 Sided Kee Klamp + Sfa1 900 Outfall Safety Grille

     

    Brochures, Datasheets and Installation Instructions for N27D Headwall

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