Flow Control & Flood Prevention

Althon offers a range of HDPE, cast iron and stainless steel products for flood prevention and the effective control and management of water. Althon flow controls include flap valves, penstocks, stop logs and a range of inline check valves such as the Wastop and Checkmate. Several of the Althon flow controls can be pre-fitted to our precast concrete headwall units, saving time on-site and avoiding potentially dangerous installation scenarios.

Althon also offers the full catalogue of Tideflex duckbill valves.

Beyond our standard range of flow control devices Althon will be pleased to assist with bespoke design requirements and solutions to problematic water control situations.

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

Penstock Valves

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.

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

Duckbill Valves

We supply a large range of Duckbill Valves to mitigate flood risks caused by water backflowing up pipework discharging into rivers, swales and the sea

Wastop Inline Non Return Valves

Wastop Non Return Check Valves are available in SS316, SS304 & PVC. 75 – 1500mm as standard

Stop Silent Light Valves

The Stop Silent Light is an inline non – return valve to prevent backflow in sewer systems and pipework

Check-Flex Valve

Check-Flex inline valve 100mm to 2300mm nominal diameter

Hand Stop Gate

The Althon PHA-G HDPE Hand Stop Gate is a simple manually operated valve for small dimension openings and low pressures.

Safety Chains

Sewers for Adoption Safety Chains
Highway Safety Chains

Stoplogs

Althon Stop Logs are Lightweight, Corrosion Resistant Stop Logs for the Isolation and Containment of Water

Orifice Plates

Althon supply orifice plates in galvanised or stainless to restrict and regulate the flow of water

Mammal Shelves & Ledges

Mammal shelves and ledges allow animals such as badgers, otters and other wildlife to pass through culverts or under bridges reducing the risk of drowning in the culvert or river.