Articles & Case Studies


Posted: Friday 28th August 2009

Hayward Tyler Services, part of the Hayward Tyler Group, has successfully delivered a new High Integrity Gate Valve (HIGV) to Hampton Water Treatment Works in London.

During the late 1980s and early 1990s Hayward Tyler manufactured and delivered a total of 38-off 1,800mm High Integrity Gate Valves to various Thames Water Utilities Ltd (TWUL) sites for the 80km long London Water Ring Main, of which 31 were installed and one was stored as a spare. The ring main ensures that drinking water is maintained and distributed around London. Along the length of the main are strategically placed 'pump out' shafts and stored water shafts where water is pumped directly into the local distribution systems. It is at these shafts that the HIGVs are located within the main.

In 2006, Hayward Tyler was contacted by several contractors with regard to the possible supply of some new HIGVs for an extension to the existing ring main – Brixton Water Treatment Works to Honor Oak Reservoir and a new pump out shaft at Hampton Water Treatment Works. Hayward Tyler made the valves to the same specifications as the originals, as required by TWUL.

Hayward Tyler completed negotiations with the two successful contractors, Black & Veatch (Hampton) and Morgan Est (Brixton/Honor Oak) for the refurbishment of the original spare valve and the supply of four new valves.

The refurbished valve was delivered to site in March 2009 with the first 'new build' valve being delivered in May 2009. The remaining valves will be dispatched in Autumn 2009.

Peter Gilman, Project Engineer, Hayward Tyler Services commented: “Working in the Hayward Tyler Heritage Product Team, we are able to react quickly to customer requirements. We can supply like-for-like replacement equipment and spare parts for Hayward Tyler products spanning more than sixty-five years. Our success in securing these contracts demonstrates our continued commitment to customers both here in the UK and worldwide.”

Hayward Tyler Services provides a variety of outage, repair, overhaul and test services for pumps, compressors, power turbines, gearboxes, motors and other high speed rotating equipment from a wide variety of manufacturers and industries.

For more information on Hayward Tyler, please visit the website at or telephone the marketing department on 01582 731144 or email

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