About Althon Ltd

Althon specialise in the design, manufacture and distribution of drainage products for the management, treatment, isolation and control of water. Our range of products includes Althon precast concrete headwalls, HDPE, cast iron and stainless steel flap valves, penstocks and stop logs.

We can pre-fit our concrete headwalls with flap valves, penstocks, Kee Klamp hand rails as well as trash screens and gratings at our works to minimise installation time on site and reduce on-site health and safety concerns.

We also manufacture our own High Capacity Drainage Channel system which is complimented by our range of linear drainage channel products for the effective management of surface water run-off.

 

Precast Concrete Headwalls

Precast Concrete Headwalls

Althon precast concrete (PCC) headwalls and silt traps offer a cost effective alternative to in-situ headwalls and silt traps for connecting pipework discharging into open watercourses. We offer headwalls as standard for pipework up to 2400mm and can produce bespoke concrete headwalls on request.

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Flow Control & Flood Prevention

Flow Control & Flood Prevention

Althon offer a range of specialist products such as HDPE flap valves, ductile iron flap valves, penstocks, inline check valves, stop logs, Tideflex duckbill valves for flood prevention, water management & pollution control. We can pre-fit most of these products to our precast headwalls if required. 

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Flap Valves

Flap Valves

Our range of HDPE & ductile iron flap valves in standard sizes from 100 – 1500mm. We can also produce flap valves in stainless and galvanised steel as well as bespoke sizes to suit your pipe or culvert opening. Althon supply flap valves for wall mounting, pipe mounted flap valves, flange mounted flap valves, push - fit flap valves and flap valves for tidal applications.

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Penstocks

Penstocks

Althon offer a range of HDPE and stainless steel penstocks for the prevention of water back-flowing into a system and water isolation. Althon penstocks are available in standard sizes from 100 – 2000mm. We supply wall mounted penstocks and inline penstocks. We can also pre - fit penstocks to our precast headwalls if required. 

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High Capacity Drainage Channel

High Capacity Drainage Channel

Althon High Capacity Channel Drainage is a glass reinforced concrete (GRC) drainage channel system in a range of widths from 150mm to 600mm with a selection of lid units for residential, car park drainage & heavy industrial drainage applications. Our largest drainage channel has a capacity of 412 litres per metre and can be used for water attenuation.

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Trash Screens & SFA Gratings

Trash Screens & SFA Gratings

Althon offer a range of gratings and trash screens including Sewers for Adoption (SFA 7 Specification), cranked trash screens, sloped & raked trash screens and weed screens as well as cage gratings and gratings with access platforms & access hatches. Our gratings and trash screens are available in galvanised or stainless steel and can be pre-fitted to our precst headwalls if required.  

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Althon Drainage Channel Range

Althon Drainage Channel Range

The Althon drainage channel range of surface water channel drainage products caters for all types of construction sites from car parks to airports and docks. Products include GRP drainage channel, polymer concrete drainage channel & concrete channel drainage. A15 – F900 Load Classes in widths from 100 - 500mm. We also offer a stainless steel slot drain for domestic and commercial use.

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Althon Chieftan Chambers

Althon Chieftan Chambers

The Althon range of Chieftan precast concrete inspection chambers has been designed to make installation on-site as straightforward as possible. Each concrete inspection chamber comes in two halves with a reinforced cover slab. Chieftan inspection chambers can pre-fitted with flow control devices such as penstocks, Tideflex valves and flap valves as well as step ladders.

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