AH4C C Left Hand Angled precast headwalls are two part precast concrete headwalls that allow water to discharge at a 45 Degree angle. This is the Environment Agency’s preferred method when discharging into a watercourse. 

The AH4C C Left Hand Angled headwall has a backwall height of 950mm and is suitable for use with plastic or clay pipework up to 300mm. We can supply toe extension pieces in 3 depths up to 1000mm. AH4C angled precast headwall units can be pre-fitted with a range of accessories such as Kee Klamp® handrails, gratings, flap valves, penstocks and other flow control devices. The AH4C C Left Hand Angled Headwall weighs 550kg.

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

AH4C C LH Angled Headwall line drawing
Product Name
Max Pipe Opening PCC
Backwall Height
Approx Headwall Weight (kg)
AH4C C LH Angled Headwall
300
950
550

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    AH4C C LH Angled Headwall

    AH4C C LH Angled Headwall + Cranked Grating

    AH4C C LH Angled Headwall + Backwall Kee Klamp

    AH4C C LH Angled Headwall + Backwall Kee Klamp + Cranked Grating

    AH4C C LH Angled Headwall + 100mm Flap Valve

    AH4C C LH Angled Headwall + 100mm Flap Valve + Cranked Grating

    AH4C C LH Angled Headwall + 100mm Flap Valve + Backwall Kee Klamp

    AH4C C LH Angled Headwall + 100mm Flap Valve + Backwall Kee Klamp + Cranked Grating

    AH4C C LH Angled Headwall + 150mm Flap Valve

    AH4C C LH Angled Headwall + 150mm Flap Valve + Cranked Grating

    AH4C C LH Angled Headwall + 150mm Flap Valve + Backwall Kee Klamp

    AH4C C LH Angled Headwall + 150mm Flap Valve + Backwall Kee Klamp + Cranked Grating

    AH4C C LH Angled Headwall + 250mm Flap Valve

    AH4C C LH Angled Headwall + 250mm Flap Valve + Cranked Grating

    AH4C C LH Angled Headwall + 250mm Flap Valve + Backwall Kee Klamp

    AH4C C LH Angled Headwall + 250mm Flap Valve + Backwall Kee Klamp + Cranked Grating

    AH4C C LH Angled Headwall + 300mm Flap Valve

    AH4C C LH Angled Headwall + 300mm Flap Valve + Cranked Grating

    AH4C C LH Angled Headwall + 300mm Flap Valve + Backwall Kee Klamp

    AH4C C LH Angled Headwall + 300mm Flap Valve + Backwall Kee Klamp + Cranked Grating

    AH4C C LH Angled Headwall + 450 x 300mm Toe

    AH4C C LH Angled Headwall + 450 x 300mm Toe + Cranked Grating

    AH4C C LH Angled Headwall + 450 x 300mm Toe + Backwall Kee Klamp

    AH4C C LH Angled Headwall + 450 x 300mm Toe + Backwall Kee Klamp + Cranked Grating

    AH4C C LH Angled Headwall + 450 x 300mm Toe + 100mm Flap Valve

     

    Datasheet and Installation Instructions for AH4C C LH Angled Headwall

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