Water Treatment
Innovative Solutions for Complex Industrial Water Challenges
Excellence in Water Engineering
With over 60 years of experience, Barr + Wray is a trusted leader in water and wastewater treatment solutions.
Our Water Solutions division combines deep technical expertise with innovative engineering to deliver tailored systems for a wide range of industries, including pharmaceuticals and food production, to hospitality and environmental sectors.
We offer complete lifecycle support from feasibility studies and pilot trials to design, installation, and ongoing maintenance. Whether you’re treating borehole water, purifying industrial effluent, or designing ultra-pure water systems, our team delivers proven, reliable solutions.
Process + Water Solutions
Our core services span the full spectrum of industrial water engineering.

Filtration Systems
Advanced filtration technologies tailored to specific contaminants, flow rates, and industry standards.

Pumping Solutions
High-performance pumps for fluid transfer, dosing, and pressure management across diverse applications.

Water Treatment
Design and installation of systems for clean water supply, effluent treatment, and resource recovery.

Consultancy
Expert advice on compliance, sustainability, and system optimisation to support long-term operational goals.
Meet our experts
Since 1964, Barr + Wray has earned a reputation as a trusted leader in fluid handling, filtration, and water treatment, core strengths that continue to be recognised by clients across both process and environmental engineering sectors.
Today we combine our in-house teams innovation with collaboration from leading universities to stay at the forefront of water treatment technology.
Something else

Brewing + Distilling
Whether you're crafting whisky or brewing at scale, Barr + Wray delivers process equipment that handles the full fluid journey, from ingredient water to the final product. With precision pumping, filtration, and disinfection systems that protect quality and flavour.

Food + Beverage
From ingredient handling to final rinse, Barr + Wray provides fluid processing systems - including pumps, filters, and UV, that support hygiene, consistency, and production efficiency.

Oil + Gas
In high-demand environments, our engineered systems handle a wide range of fluids, from process water to chemical streams - with robust pumping, filtration, and disinfection solutions.

Utilities
Barr + Wray supports utility providers with reliable fluid handling systems that manage water, wastewater, and treatment chemicals - ensuring operational continuity and compliance.

Petrochemical
Our process equipment is built to handle aggressive fluids and complex chemistries, helping petrochemical plants optimise flow, filtration, and disinfection across critical systems.

Pharmaceutical + Biotechnology
We deliver precision-engineered systems for processing fluids used in drug formulation and biotech production - ensuring purity, consistency, and compliance with industry standards.

Chemical + Coatings
Our equipment handles everything from raw chemical inputs to final product filtration, helping manufacturers maintain fluid integrity and reduce waste.

General Industrial
Across diverse industrial sectors, Barr + Wray provides tailored fluid processing systems, from pumping and filtration to disinfection - that improve reliability and reduce downtime.

Building Services
From HVAC circuits to greywater reuse, Barr + Wray supplies pumps, filters, and UV systems that keep building services running efficiently and sustainably.

Aquaculture
Barr + Wray supports aquaculture operations with systems that manage both water quality and fluid circulation, from nutrient-rich feed solutions to waste stream control - using pumps, filtration, and UV technologies tailored to aquatic environments.
Need help with your water systems?
Our engineers are ready to help you scope, design, and deliver the right solution for your site.
Brewing + Distilling
Food + Beverage
Oil + Gas
Utilities
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