Our purpose

PRVentor exists to help utilities tackle the urgent challenge of ageing water networks that cannot be replaced fast enough. Our adaptive bolt-on controller transforms conventional pressure reducing valves (PRVs) into active guardians of the network, eliminating damaging transients, reducing leakage, and extending infrastructure life.

By stabilising pressure and preventing bursts, PRVentor also safeguards water quality, reducing contamination risks from shockwaves and groundwater ingress. Simple to install, scalable across existing assets, and proven in testing, PRVentor offers regulators and utilities a cost-effective path to resilience, compliance, and sustainable water management.

OUR STORY

OUR PURPOSE

the problem

Water utilities face a critical challenge. Ageing networks cannot be replaced fast enough, and billions of litres of treated water are lost every day through leaks and bursts. Some mains still in service date back to the 1860s, while modern plastic pipes are splitting as well as releasing microplastics into supply.

Their hydraulic pilots and springs only operate effectively within a narrow pressure band and often become unstable. Even with electronic controllers, they remain coarse, imprecise devices with limited range that fail to maintain steady set-points or suppress harmful pressure fluctuations. They frequently amplify and even generate water hammer, shockwaves, and other transients. The resultant excessive pressures and transients accelerate pipe fatigue, drive leakage, and increase burst risk, shortening the life of already fragile assets and creating contamination risks.
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The result is higher leakage, more failures, poorer water quality, and rising operational and capital costs. With networks under this strain, the current approach to pressure control is no longer fit for purpose. Utilities need a step change in precision, responsiveness, and transient prevention to mitigate escalating leakage, repair burdens, and regulatory pressure.

the solution

PRVentor solves the weaknesses of conventional PRVs. Instead of relying on hydraulic and spring mechanisms that amplify damaging transients, it bolts onto valves and converts them into active, intelligent controllers. With adaptive software and precision control, PRVentor delivers only the pressure needed, stopping water hammer, shockwaves, and negative pressures before they damage the network. 

The impact is proven. Managed pressure testing shows leakage reductions of up to 52 percent during low demand, 46 percent at evening peaks, and an overall average of 21 percent during daytime flows. Shockwave tests confirmed that standard PRVs allowed groundwater ingress, while PRVentor eliminated this contamination pathway. By stabilising pressure, it prevents bursts, extends pipe life, and protects water quality from both ingress and stripped material. In emergencies such as hydrant use or bursts, PRVentor can open fully and automatically, keeping supply flowing and supporting operational resilience.

Since it installs quickly and scales across networks, PRVentor avoids costly pipe replacement and delivers measurable savings from day one. For utilities and regulators, it offers a practical and proven way to cut non-revenue water, safeguard infrastructure, and meet rising resilience and compliance demands.

PRVENTOr

PRVentor is the definitive solution because it is a simple bolt on controller that transforms PRVs into active, adaptive systems. Unlike conventional PRVs that give limited, imprecise pressure control and amplify damaging transients, PRVentor automatically adjusts pressure to match demand, eliminates shockwaves at the valve, and can even fully open during emergencies such as fire response. This ensures that hydrants receive maximum supply without manual intervention, overcoming one of the critical weaknesses exposed in recent fire events where conventional valves restricted flow. With this capability, networks remain resilient under extreme demand while benefitting from continual protection from excessive pressures and sudden pressure variations.

Conventional PRVs and PRV controllers are limited in their ability to provide accurate, precise and stable pressure settings. By balancing pressure based on flow, PRVentor eliminates over-pressurisation of the downstream network, thereby ensuring minimal material fatigue from flexing at leakage sites and other weak points.

Precision operation over the valve's full range: when stable, conventional PRVs operate in a range of about 2 or 3 metres of head and require a substantial difference between upstream and downstream pressures. PRVentor can range between fully open and fully closed with a pressure precision of less than 20cm of head.

Stopping transients and precisely managing pressure at appropriate levels for demand extends network life, substantially slowing the long-term weakening of pipework and standing in the way of a major proximate cause of bursts.

Conventional PRVs allow the passage of transient pressure effects such as water hammer and even generate and amplify them, particularly at low flow volumes such as at night. PRVentor's design stops their passage and eliminates the mechanism of causation.

Test 3

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Test 2

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Test 1

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Contact Us

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