Glenfield Invicta provide market leading valve, penstock and engineering site solutions across a wide range of water, wastewater and non-utility infrastructure projects.  We’ve been designing and manufacturing specialist engineered valves and penstocks for more than 170 years and we stand behind every product we install for life, offering some of the best extended warranties in the industry.

We provide our customers with a unique proposition covering every stage; specification, design, refurbishment as well as installation and commissioning. Working as one team our experienced, multi-skilled project and installation teams work collaboratively with our partners and key stakeholders to make sure every project is executed to exacting standards. All supported by an industry leading product portfolio from the AVK Group.