AH4C Angled Headwalls

The AH4C Angled headwall has been designed specifically to meet the Environment Agency’s ‘Standard rules SR2015 No 27 – Constructing an outfall pipe of 300mm diameter through a headwall into a main river & Exempt flood risk activities: environmental permits section FRA12 ‘Outfall pipes less than 300mm diameter through a headwall’.  The AH4C allows water to discharge at a 45 Deg. angle, the Environment Agency’s preferred method when discharging into a watercourse.  Available with three different back wall heights and a separate Toe in three depth options that ensure not only is it easier to handle but easier to install & more importantly ensures the foundation around the toe and beneath the Headwall structure can be well compacted.

Please visit the Angled Headwall section of our website for more information or for pricing please contact our sales team by email sales@althon.co.uk or by telephone on 01603 488700

Sloped Trash Screens

Althon have recently launched a standard range of both 45 and 60 degree sloped trash screens for pipework from 150mm to 1500mm. Our sloped trash screens are typically manufactured in galvanised steel but can be manufactured in stainless steel on request. 

As well as the sloped gratings in our standard range we offer a design service for bespoke trash screens to suit site specific circumstances.

Please visit the  Sloped Trash Screen 45 Degrees or Sloped Trash Screen 60 Degrees  section of our website for more information or for pricing please contact our sales team by email sales@althon.co.uk or by telephone on 01603 488700

Hand Stop Gates

Althon have launched a range of Hand Stop Gates manufactured in HDPE with an EPDM Seal. 

Our Hand Stop Gate is a simple manually operated valve for small dimension openings and low pressures. The Hand Stop Gate is available to suit 150, 200, 250, 300, 400 & 500mm Dia. openings and has a maximum on and off seating pressure is equal to the height of construction.

Please visit the hand stop gate section of our website for more information or for pricing please contact our sales team by email sales@althon.co.uk or by telephone on 01603 488700

Port of Immingham Improvement works

Althon designed and manufactured precast wingwalls, a header beam and culvert sections for the Port of Immingham Improvement works. We provided a full design and structural calculations and CE Marked the units for installation by the Contractor.

For more information visit the Precast Wingwalls and header beams section of our website. 

Alternatively please contact our Sales Team by email sales@althon.co.uk or by telephone on 01603 488700

Wastop Valves to Panama

Althon have successfully supplied a number of stainless steel Wastop valves to the PSA Panama Internal Terminal Quay Expansion (Phase 2), Panama. Our Wastop valves are mounted inside pipework to prevent backflow of water up the pipe in times of flooding.

This is the second time Althon have supplied flow control equipment to Panama, having previously supplied a number of large HDPE flap valves.

Please visit the Wastops section of our website for more information or for pricing please contact our sales team by email sales@althon.co.uk or by telephone on 01603 488700