A man's hands holding a Reliance Valves flow control valve.

Flow Control

Precision water flow control valves to measure and regulate water flow and pressure for safe operating conditions.

Discover our range

Reliance Valves pioneer water flow control valves and products to regulate the flow of water in and around buildings. For over 70 years we have been designing and manufacturing innovative water control valves to regulate water flow and pressure within the built environment. 

Our flow control valves and products enable building operators to accurately measure, monitor and adjust flow rates for optimum safety, enhanced economic performance and total peace of mind. And ease of installation and simplicity of operation are built in as standard. 

Within our flow control valves range you will find high quality products including pressure reducing valves (PRVs), pressure gauges, backflow prevention valves, ball valves, water meters and more. You will also find our intelligent water management leak detection system, providing ultimate protection from costly water damage.  

pressure valve

Pressure Reducing Valves

Robust pressure reducing valves that safely control water pressure and flow in domestic, industrial and commercial buildings.
RPZ Backflow Preventer

Backflow Prevention Valves

Robust backflow prevention valves to protect plumbing systems from contamination, back pressure or back siphonage.
The MultiSafe valve.

Leak Protection

Smart leak detection system that protects properties and building projects from costly water damage.
ball valves

Ball Valves

Reliable ball valves for quickly and easily isolating water supply to fixtures, appliances or specific zones for fast and simple repair and maintenance work.
water meters

Water Meters

Accurate water meters for precisely measuring water in domestic, commercial and industrial applications.

Pressure Gauges

Easy to read pressure gauges for a variety of applications, pressure ranges and installation orientations.
Chobham Manor exterior.
Case study

Chobham Manor

An olympic venue becomes a dream home for Londoners

Speak to an expert to find out more


Here are some helpful resources. All our other resources including installation and maintenance guides, data sheets, case studies and videos can be found in the resource centre

Watch Commercial 315i PRV - Product Spotlight on YouTube.

Watch our Product Spotlight: Commercial 315i PRV

See how our high-performance commercial PRV safeguards plumbing and heating systems using ultimate flow control.