Headwall with Wastops & SFA Grates

Althon Supply H28C B Headwall Pre-fitted SFA Spec Gratings Flanged Wastop Valves

Althon helped design and specify this Headwall for a project in Plymouth. The H28C B Headwall was pre-fitted with 2 grade 316 stainless steel Sewers for Adoption specification gratings and 2 316 stainless steel 900mm Wastop non-return valves.

This factory assembled approach resulted in greatly reduced installation times and significant health and safety benefits for the Contractor.

Date Posted: Jan. 31, 2014, 10:55 a.m.
Althon Launch Range of Chieftan Precast Chambers

Althon Launch Range of Chieftan Precast Chambers

Althon Chieftan Chambers are designed to be quickly, easily and safely installed on site.

These precast chambers can be factory fitted with penstocks, flap valves, Tideflex valves and other flow control devices. This drastically reduces installation time on site and had significant health and safety benefits for the Contractor.


Date Posted: Jan. 31, 2014, 10:16 a.m.
Althon Launch New Website

Althon have launched a new website for 2014.

The new website showcases our full range of products and services. Our new website aims to make it as simple as possible for architects, specifiers, contractors and all customers to find the products required most suitable for the required application.

We believe that by offering free of charge CAD and PDF downloads of our products to users of the website we are offering an unparalleled service within the industry sector.

For further information please contact our Sales Team by phone : 01603 488700 or email

Date Posted: Nov. 22, 2013, 1:23 p.m.
Swale Inlet Headwall Launched

Swale Inlet Headwall Launched

The swale and pond inlet is a fibre reinforced precast concrete open inlet allowing surface water runoff to enter SUDS features, or to act as an outlet or overflow. The profile of the inlet 1:3 (18 Degrees) is the same as the surrounding ground in accordance with guidelines for the construction and adoption of swales and ponds. There is a recess formed in either side to key the unit into the slope of the swale or pond and prevent it slipping. Connection to pipework of a 150mm ID Twin Wall stub cast into the unit. The unit is fitted with a hinged 25mm grille which is available in mild steel galvanised after manufacture as standard or stainless steel to order. The grilles are fixed to the inlet with 4 No anti-tamper bolts, when the bottom two bolts are removed the grating hinges for ease of maintenance. The grating is located in an 8mm deep recess in the face of the unit to protect it from damage during routine maintenance i.e. mowing.

Date Posted: Nov. 14, 2013, 11:22 a.m.
Althon Supply London Gateway Port

Althon Supply London Gateway Port

Date: 14th November 2013

Althon has successfully supplied a range of products to various contractors working on the new London Gateway Port development. We have supplied our high capacity drainage channel, precast headwalls, precast chambers, penstocks and flap valves.

The £1.5bn facility at Stanford Le Hope, Essex, is 20 miles down the River Thames from London and will be able to handle 3.5 million containers a year. The first vessel has recently docked at the port, the MOL Caledon, a 58,000-tonne container ship.

Date Posted: Nov. 14, 2013, 9:54 a.m.