Engineering, Consulting & Financing

    Water Technology Manufacturers

    OEM manufacturers of water and wastewater treatment equipment, membranes, filtration systems, and process technology hardware.

    21 providers

    This page is a good fit if you need:

    • Granular Activated Carbon (GAC) Filters or Reverse Osmosis (RO) capabilities
    • Suppliers with accreditations sector experience
    • Providers operating in United Kingdom or Netherlands
    Providers
    21
    Verified
    0
    Countries
    6

    Can't find the right fit? Post a brief and let qualified suppliers come to you.

    Post a project

    Find a Water Technology Manufacturers Provider

    Showing 1-20 of 21

    21 results from 21 matched providers

    Liquid X logo

    Liquid X

    Verified
    United Arab Emirates1-50 employees
    Granular Activated Carbon (GAC) Filters · GO–Polymer Composites · Cartridge Filters
    mea

    Liquid X is a water technology consultancy and commercialization platform focused on accelerating the deployment of next-generation filtration solutions, with a core emphasis on graphene-based water treatment. Founded to address the gap between breakthrough innovation and real-world implementation, Liquid X operates at the intersection of advanced material science, water infrastructure, and market deployment. While significant advances in water technologies exist globally, many remain confined to laboratories or early-stage ventures. Liquid X bridges this gap by identifying, validating, and commercializing high-impact solutions—particularly graphene-based filtration systems—within the GCC and wider MENA region. Our consultancy model is built around a full lifecycle approach: from technology scouting and technical evaluation to pilot design, validation, and scaled deployment. We work with asset owners, governments, and enterprises to translate emerging technologies into practical, site-ready solutions. This includes designing pilot programs with measurable performance metrics, enabling data-driven decision-making, and ensuring that innovations are proven under real operating conditions before scale-up. A key focus of Liquid X is the commercialization of graphene-based water filters. Graphene, a two-dimensional material with exceptional strength, permeability, and adsorption capacity, has the potential to fundamentally transform water treatment. Its nano-scale structure allows precise separation of contaminants while enabling faster water flow and lower energy consumption compared to conventional systems. Through strategic partnerships with innovators, researchers, and manufacturers, Liquid X is actively working to bring graphene filtration technologies from concept to market. These systems are being developed to address some of the most critical water challenges, including the removal of PFAS and emerging contaminants, heavy metals, dissolved solids, and industrial pollutants—while significantly reducing waste and energy intensity associated with traditional technologies such as reverse osmosis. Our role extends beyond technology development. Liquid X supports the full commercialization journey, including: Technical due diligence and performance validation Pilot implementation and third-party verification Integration with existing infrastructure Development of scalable deployment models Coordination with EPC contractors, facility managers, and regulators Ongoing monitoring, compliance, and optimization By operating as a vendor-agnostic platform, we ensure that solutions are selected based on performance, suitability, and long-term value—not vendor bias. The MENA region faces some of the world’s most acute water challenges, including scarcity, high desalination dependence, and rising energy costs. Liquid X is positioned to introduce more efficient, decentralized, and sustainable alternatives through advanced filtration technologies. Graphene-based systems, in particular, offer the potential for lightweight, modular, and energy-efficient treatment solutions that can be deployed at scale across residential, commercial, and industrial applications. At its core, Liquid X is not just a consultancy—it is an enabler of the next generation of water infrastructure. By combining deep regional expertise with global innovation networks, we are helping transform how water is treated, distributed, and consumed. Our mission is to accelerate the transition from legacy, resource-intensive systems to smarter, more sustainable water solutions—unlocking the full potential of graphene and other advanced materials to build a more water-secure future.

    Activated Carbon Filtration
    Nanofiltration (NF) Systems
    Point-of-Use (POU) Filtration Systems
    +11 more
    food-beverages
    hospitality-tourism
    Addicott Electrics Ltd logo

    Addicott Electrics Ltd

    United Kingdom

    Addicott Electrics specialise in the manufacture, installation and maintenance of Generator sets (up to 2500kw) and their associated control systems. Based at Teignmouth in Devon, the Company has over 30 years experience in the Generator Industry working with Public Utilities, Local Authorities, Hospitals, Police and Fire Services etc . AEL work with the client to ensure the generators selected is best suited to meet client’s own specification. All generators are constructed ‘in house’ and are of robust construction – and designed for manual, automatic or synchronised operation adapted to suit client own requirements: AEL offers a complete ‘turnkey’ package – supply of equipment, mechanical and electrical installation, commissioning and testing. All work is undertaken by Addicott’s directly employed skilled electrical and mechanical engineering team. Addicott Electrics is a full member of AMPS – the Association of Manufacturers of Power Generator sets. AEL also offer full after sales support and maintenance, refurbishment of existing plant and the hire of temporary generators.

    Networks - Water Supply
    Accreditations
    Air Technology Systems logo

    Air Technology Systems

    United Kingdom

    Air Technology Systems (ATS) have been designing and supplying ventilation and odour control solutions to the water industry for over 20 years. Working closely with the main contractors/M&E Contractors in the industry, we have installed our systems into all major water companies. Our Range of services include: Surveys of existing ventilation and odour control systems. Upgrades, maintenance and modification of existing systems. The design, supply, installation and commissioning of new ventilation and odour control systems. We have our own experienced installation teams. We have our own NIC EIC registered electrical engineers. We work collaboratively with the client to ensure that the system design is optimised and meets the primary objectives e.g TOTEX, Level of performance etc. VENTILATION Our ventilation solutions are a combination of traditional and propriety techniques, including our innovative JETFLO system which maximises the ventilation efficiency and can reduce the overall extract volume, excellent for reducing condensation and ensuring fresh air is delivered where needed, this not only reduces energy consumption, but can reduce the size and cost of odour control units. ODOUR CONTROL Our unique alliance with Europe’s largest manufacturers of specialist odour control products, CMI Europe Environment, is a major strength. We can offer all proven odour control technologies, from carbon filtration and catalytic dry scrubbers, through to bio filtration and chemical scrubbing. Solutions often require a combination of these techniques. All equipment on the odour control plinth is sourced from CMI EE’s state of the art facility and is pre-assembled for inspection prior to dispatch. This provides us with a unique level of quality control. Our specialist rope access division allows us to gain access to places where mechanical scaffold/access is going to be either very difficult or cost prohibitive. Our wide range of expertise design and project management experience, combined with close collaboration with the client is the reason we have an excellent reputation in the industry.

    Accreditations
    Odour Control
    Amazon Filters Ltd logo

    Amazon Filters Ltd

    United Kingdom

    Founded in 1985, UK-based Amazon Filters Ltd is one of Europe’s leading manufacturers and suppliers of bespoke filtration technology such as filter cartridges and housings. Our comprehensive range of products support critical liquid and gas applications in many industries. With over 40 years of continuous support to municipal water companies, we are ideally placed to solve water quality problems with our bespoke cartridge filtration technology. From small boundary boxes installations to large volume fully containerised system and rentable mobile skids, we can manufacture and supply it all. We offer solutions for: Turbidity Control Metals Removal (iron / manganese) Cryptosporidium removal Chlorine reduction Let us support your AMP 8 commitments: Securing Long Term Resilience Securing Cost Efficiency Securing Confidence and Assurance We operate a range of ISO-accredited Quality Management Systems to ensure excellence in customer service. We provide high quality, reliable products and services that exceed client expectations. We help you worry less about the filtration process so you can focus on what you do best.

    Accreditations
    AVK UK Ltd logo

    AVK UK Ltd

    United Kingdom

    AVK UK is part of the globally renowned AVK Group who are based in over 100+ countries and has over 4,500+ employees worldwide. The AVK Group is privately owned by the founder Niels Aage Kjaer, and is named after his father Aage Valdemar Kjaer. As part of the AVK Group, we pride ourselves in being one of the leading valve manufacturers for the water, sewage, firefighting, and gas industries. Our product program comprises a large range of valves, hydrants, pipe fittings and accessories, each complying with the highest standards of safety and durability. Our focus is on the products designed and manufactured to the British Standards, however, the AVK Group today offers products in accordance with the most national and international standards. Our product portfolio also includes AVK Smart Water Management valves and sensors for real-time network information and status. We also offer Pressure Management solutions such as air valves, PRVs, and control valves, AVK Assist which enables GPS product location and, the market leading Donkin PUR range of gas valves. Our UK sales offices and manufacturing sites respond quickly to the needs of our customers and for fittings required on an express or emergency service we have a dedicated same day 24/7 helpline – 0800 202 8228. In addition, we cooperate with local and national distributor partners to offer our customers AVK products as part of multi-product packages. AVK UK is the sales division and has offices in Staveley, near Chesterfield, also known as the home of Bryan Donkin gas valves, and Northampton. AVK in the UK comprises of 7 companies and has over 500 employees. Find out more here: https://www.avkuk.co.uk/en-gb/solutions-and-information/about/avk-in-the-uk/avk-uk

    Treatment Works Products/Services
    Asset Maintenance & Rehabilitation
    BIO-BLOK an EXPO-NET brand logo

    BIO-BLOK an EXPO-NET brand

    United Kingdom

    Since the early 1980s, BIO-BLOK an EXPO-NET brand has been producing high-performing filter media that helps increase the surface area in your system to improve the efficiency and reducing the footprint required for assets. EXPO-NET Danmark A/S is a family-owned company, founded in 1959, which is currently run by 3rd generation, Managing Director Lars Klinkby. Today, EXPO-NET is an international Danish business, with local sales offices in France, England, Holland and Australia, and key global supply chain partners. The company has more than 60 years’ experience in manufacturing extruded plastic mesh solutions tailored to customer requirements. The company’s head office and main operational site is located in a 38,000 sq. m high tech manufacturing facility in the industrial area of Hjørring in northern Denmark. The site includes extrusion production lines for custom making thermoplastic mesh products, an in-house R& D laboratory and extensive warehousing. EXPO-NET was one of the first European manufacturers of extruded plastic products to become BRC certified for the supply of netting products for food packaging, and now also has ISO 9001:2015 and ISO 14001:2015 certifications for its main Danish production site and operations. The business has an ongoing proactive commitment to addressing climate change by recycling, developing more sustainable plastic net products and reducing its CO2 footprint across the entire business.

    Treatment Process Technologies
    Drive Systems Limited logo

    Drive Systems Limited

    United Kingdom

    With over 35 years experience and knowledge of manufacturing variable speed electrical control systems, Drive Systems Ltd provide fixed and variable speed drives, control panels and will commission and install both the mechanical equipment and electrical supplies, as required. Drive Systems Limited is a wholly owned independent company founded in 1986 by its present directors to promote the use of packaged inverter drive systems into a wide range of industrial applications so that they could benefit from the flexibility of control and the large potential energy savings that this, then, emerging new technology could provide. Many areas of industry, from pet food manufacturers to woodworking machine makers and from the nuclear industry to the water companies became valued customers and benefited from bespoke packaged drive systems tailored to their specific application. The water companies soon became the source of the majority of the companies workload, with inverter based drive systems being developed for wet well submersible pump systems, rectangular bacteria bed distributors (both rope hauled and independently driven) and for circular filter bed distributor drives. This latter drive system, enjoying patent protection of its principles of operation, has been a huge success and over 2000 systems have been supplied into all of the UK`s Water Companies, as well as to numerous overseas locations. Drive Systems has recognised the need, not only to provide products and packaged control systems, but also to provide an installation and commissioning service which ensures optimised performance from the existing plant. Drive Systems site programme includes installation of both mechanical and electrical equipment on prepared foundations. The service is not complete without the inter connection of all items of equipment, including cables, cable trays and ducts, as required. Lighting, heating, ventilation are a natural extension of this work. Drive Systems can provide Fixed and variable speed drives for pumps and fans Control panels and cabinets designed for specific applications Percolating circular filter bed drives and control Percolating rectangular filter bed drives and control Complete installation both mechanical: cabling and electrical supplies Commissioning and test Servicing and repairs

    Treatment Works Products/Services
    Haigh Environmental Company Ltd (Part of the Haigh Group Ltd) logo

    Haigh Environmental Company Ltd (Part of the Haigh Group Ltd)

    United Kingdom

    Suppliers of FujiClean Sewage Treatment Systems & Manufacturers of Inlet Screeners Haigh Environmental is part of the Haigh Group Ltd, an established provider of specialist water and waste services in the UK, employing around 120 people. Providing next-generation water treatment solutions that protect our waterways for future generations is at the heart of our business. Driven by impact, not profit, we pride ourselves on our open-minded, transparent approach, taking a long-term view on the right solutions for our clients and local communities. We supply a range of screens and package water treatment plants, including the pioneering FujiClean system – with excellent results across all relevant metrics. Simplicity is at the heart of our value proposition. As a response to increased environmental permit requirements, complex solutions have emerged across the water industry in a piecemeal fashion, often leading to non-standardised, expensive and over-engineered systems. Working together with utility companies, contractors and communities, we are leveraging the expertise of our experienced team to offer practical, cost-effective and standardised alternatives to septic tanks and conventional chemical dosing treatment options.

    Designers
    Accreditations
    Macrete Ireland Ltd logo

    Macrete Ireland Ltd

    United Kingdom

    Macrete are one of the few truly independent precast concrete manufacturers within the United Kingdom and Ireland. Having over thirty years experience in the design and manufacture of a wide range of reinforced and pre-stressed concrete products and systems, Macrete are established at the forefront of the precast concrete industry. Many types of precast concrete solutions are designed and supplied to the civil, rail, water, and stadia, marine and agricultural markets. Using a superior distribution network Macrete successfully export products anywhere in the UK and Ireland. Macrete believe in developing strong long-term partnerships with their client base. The majority of clients that work with Macrete continue to do so on a repeat basis and their satisfaction is the fundamental objective. Macrete continually endeavour to evaluate the market place to increase market share and have experienced a steady increase in sales over the last 5 years. Our mission is to be recognized as a major provider of precast concrete technology, products, services and solutions and to serve our customers regionally, nationally and internationally. Our vision is for our customers to see us as a desirable business partner with safe and efficient processes; a leader in quality; constantly innovating and expanding services as well as a business with highly ethical standards.

    Stormwater Storage
    Concrete Works
    SILOTANK logo

    SILOTANK

    United Kingdom

    From industrial water tanks to turnkey odour control systems, we are the only UK manufacturers to offer 3 axis helical filament winding, providing high quality plastic storage tanks to the water and waste, microelectronics, chemical, pharmaceutical, paper & pulp, food processing, drinks and brewery industries. We are a leading manufacturer in the UK and Ireland for chemical, liquid and drinking water storage tanks, bunded storage tanks, process vessels, pressure vessels and environmental systems. Flexible in our approach to business and providing strong technical support, we are dedicated to supplying our customers the high quality product and service that you would expect from a market leader in specialist tanks. We manufacture to design standards BS4994:1987 , BS EN ISO 12573 & DVS2205 using FDA, WRAS and DWI approved materials. Our extensive ‘in house’ capabilities include mechanical engineering design along with chemical process design these activities are supported by a CAD network operating with AutoCAD 2D & Solid Works 3D software, FEA & Laminate Theory Analysis offering clients a complete service. We are innovative and continue to advance using the latest technology and materials used within the industry and have installed a CNC router and laser machine to support business development. RANGE OF EQUIPMENT & SERVICES OFFERED Storage, mixing and process tanks/vessels. Ranging in capacities from 50 litres to 200,000 litres. Tanks are manufactured using a variety of thermoplastics and GRP materials to suit the particular application including HDPE, polypropylene, UPVC/GRP (Aqua Pure – WRAS approved), polypropylene/GRP. The majority of our products are ‘bespoke’ designed and manufactured to suit the clients specific application. Odour and chemical fume scrubbing towers. Our ‘bespoke’ design and manufacture odour or chemical fume abatement equipment to suit most environmental applications. Our site teams are fully trained and able to complete on site installation within Ireland & UK including offloading, positioning, bolting down, assembly of any ancillary access steelwork as well as thermoplastic pipework and ductwork installations.

    Accreditations
    Tracey Concrete logo

    Tracey Concrete

    United Kingdom

    Tracey Concrete is one of the largest precast concrete manufacturers in the UK and Ireland. With our extensive range of top quality products we offer competitive and reliable solutions to meet all of our customer’s needs. Our success has been built on the consistent quality of our products, efficient delivery and outstanding customer service. With our vast experience and expertise in the construction industry we have been able to supply some of the biggest projects in the UK and Ireland. Our products have achieved all necessary certifications and are accredited with the most up to date British and European standards, with the relevant products being BSI kitemarked and CE marked. Through extensive research our technical team is always looking for the most advanced innovations in the industry and work closely with our customers to provide any project designs required. We are always environmentally conscious in the manufacturing and delivery process. We are committed to ensuring all of our products provide the economic benefits required for sustainable construction.

    Pipeline & Pipework Products
    Asset Maintenance & Rehabilitation

    Water Technology Manufacturers: Equipment Innovation, Global Supply, and UK Market

    Water technology manufacturers design, produce, and supply the equipment, components, and systems that enable water and wastewater treatment at all scales. The global water technology market (estimated USD 900 billion in 2024, Bluefield Research) is served by a mix of global conglomerates, specialist technology companies, and niche component manufacturers. Major global water technology manufacturers with UK operations: Xylem (NYSE: XYL): US-based; products including Flygt pumps (submersible, wastewater and drainage), Goulds Pumps, Wedeco UV, Trojan UV, WTW analytical instruments, Sensus smart meters, Visenti digital water, Brown and Caldwell consulting; revenue approximately USD 7 billion (2023). Veolia Water Technologies (subsidiary of Veolia Environnement, Euronext: VIE): SIDEM (thermal desalination), Suez UV-Guard, HPD evaporation crystallisation, MPPE technology, Hydrex chemical treatment, ELGA pure water; headquartered Paris; revenue approximately EUR 3 billion water tech division. SUEZ Water Technologies and Solutions (now part of Veolia post-2022 merger): legacy technologies including LiqTech (SiC membranes), Ozonia (ozone generation), Infilco Degremont (coagulation systems), Envirex (biological treatment), Memcor (MF/UF membranes). Pureflow (Servomex, UK): gas analysers for biogas monitoring. Grundfos (Denmark): submersible and surface mounted pumps for water supply and wastewater; digital SCADA-integrated pump systems; water booster units; CR, SP, NK and SE pump ranges.

    UK-based water technology manufacturers and SMEs: UK water technology sector includes approximately 500 to 1,000 manufacturers, technology developers, and equipment suppliers; Water UK and WaterSolv report; significant activity in: membrane technology (Porous Polymers for MBR membranes; Koch Separation Solutions (UK facility, MF/UF/NF membranes)); UV disinfection (Hanovia, a Fortive company, based in Slough: specialist in medium pressure UV for drinking water and wastewater; one of the original UV disinfection technology developers); advanced oxidation (Arvia Technology, Poynton: electrochemical oxidation for micropollutant removal; Nyex process using graphite adsorption media and electrochemical regeneration; PFAS treatment specialist); flow measurement (Pulsar Process Measurement, Malvern: level and flow instrumentation using ultrasonic and radar technology; ABB UK: electromagnetic and Coriolis flow meters; Endress+Hauser UK: full range of process instrumentation); chemical dosing equipment (ProMinent UK, Peterborough: metering pumps (DULCO flex diaphragm, DULCODOS dosing systems), chemical storage systems (DULCO fibre tanks), gas chlorination (DULCODES UV)); control valves (Emerson Fisher, Rotork: actuated valve packages for water and wastewater); GRP equipment (Fibreglass Developments, Fibaform: GRP storage tanks and pipe systems for chemical handling). Innovation clusters: WaterSolv/WIRe (Water Innovation and Research) community; Cranfield University spin-outs; Scotland's Centre for Water Excellence; Innovate UK-funded water technology companies.

    Manufacturing standards and equipment certification: water treatment equipment sold into the UK market must meet applicable standards and certifications depending on the product category and application. Drinking water contact: WRAS (Water Regulations Advisory Scheme) approval required for all components in contact with drinking water (BS 6920 extraction test: measures TOC, turbidity, colour, and growth support (biofilm index) of water in contact with the material; WRAS Approved Products List published at wras.co.uk; NSF/ANSI 61 is the US equivalent, also accepted by DWI as an alternative route to UK approval). Pressure systems: PED 2014/68/EU (Pressure Equipment Directive, UK retained in PSSR 2000 Pressure Systems Safety Regulations and related statutory instruments; CE/UKCA marking for pressure equipment above Article 4 thresholds: vessels greater than 50 bar.L (pressure x volume); pipework greater than DN25 at 0.5 bar or greater); notified body (Lloyds Register, DNV, Bureau Veritas) issues CE/UKCA certificate for Category III and IV equipment. Machinery directive: Machinery Directive 2006/42/EC (UK retained as Supply of Machinery (Safety) Regulations 2008); applies to water treatment pumps, mixers, screens, and centrifuges; CE/UKCA marking with Declaration of Conformity; essential health and safety requirements (EHSR): noise (BS EN ISO 9614-2 intensity method), vibration (BS EN ISO 5349 hand-arm; BS EN ISO 2631 whole-body), guarding (BS EN ISO 12100 machinery safety), electromagnetic compatibility (EMC Directive 2014/30/EU (UK retained), BS EN 61000 series). ATEX: hazardous area equipment (chemical storage areas, biogas installations) must be ATEX-rated (Directive 2014/34/EU, UK retained as Equipment and Protective Systems (Safety) Regulations 2016); equipment category 2G for Zone 1 gas hazards (biogas, ammonia, flammable solvents); category 3G for Zone 2.

    Frequently Asked Questions

    Which are the largest water technology companies globally?

    The global water technology sector is dominated by a mix of conglomerates and pure-play water technology companies: (1) Xylem (NYSE: XYL): US-based; formed 2011 from ITT spin-off; 2023 revenue approximately USD 7.0 billion (including Evoqua Water Technologies, acquired 2023 for USD 7.5 billion); products: Flygt submersible pumps, Goulds surface pumps, Wedeco/Trojan UV, WTW analytical, Sensus smart meters, Bell and Gossett HVAC; major supplier to UK water utilities (Flygt pumps in most UK pumping stations). (2) Veolia Environnement (Euronext: VIE): French; water, waste, and energy services; following SUEZ acquisition (completed 2022): global water technology brands include Sidem (thermal desalination), HPD (evaporation), Memcor (UF membranes), Ozonia (ozone), Hydrex (water treatment chemicals); Veolia Water Technologies revenue approximately EUR 3 to 4 billion; 3rd largest water services operator globally. (3) IDEX Corporation (NYSE: IEX): US industrial conglomerate; water brands: Pulsafeeder (chemical dosing), ABEL (membrane pumps), Lutz-JESCO (metering pumps), Richter Chemie-Technik (fluoropolymer pumps); revenue approximately USD 3.1 billion (2023). (4) Grundfos (private, Denmark): pump manufacturer; global leader in submersible and water supply pumps; revenue approximately EUR 5 billion (2023); UK: Grundfos UK Leighton Buzzard. (5) Pentair (NYSE: PNR): US-based; water treatment, filtration, flow control; residential and commercial water purification; 2023 revenue approximately USD 2.0 billion. (6) A. O. Smith (NYSE: AOS): water heaters and water treatment; point-of-entry and point-of-use systems. UK-specific: Severn Trent Services, Arvia Technology, Hanovia, WPL (modular treatment), WCS Group, Pall Corporation (Cytiva, water filtration), Cantel Medical (UV systems).

    What WRAS approval is required for water treatment equipment?

    WRAS (Water Regulations Advisory Scheme) approval is the primary UK standard for products that come into contact with drinking water, ensuring they do not adversely affect water quality. The WRAS approval process: (1) Product testing: the product (or material used in the product) is tested under BS 6920:2000 (Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of the water); BS 6920 tests measure: organoleptic effects (taste and odour assessment using BS 6920 methods); effect on colour (CIE colorimetric measurements at prescribed extract conditions); TOC concentration in water extracts (DOC from material leaching); growth of micro-organisms on the material (biofilm formation potential); migration of trace elements and substances (ICP-MS analysis of water extracts); testing is conducted under standardised conditions (specific water composition, temperature, contact time, water exchange regime); (2) Assessment: test results evaluated against DWI acceptability criteria by an accredited assessment body (WRc (UK Water Research Centre), BBA (British Board of Agrement), or WRAS assessment panel); (3) WRAS Approved Products List: products passing assessment are listed on the WRAS Approved Products List (searchable at wras.co.uk; specifies approved product, manufacturer, product reference, approval category, and renewal date); (4) DWI compliance: water companies specifying products in contact with drinking water must use WRAS-approved products (or products approved via an alternative route such as NSF/ANSI 61 assessment); products without WRAS approval should not be used in drinking water applications without DWI agreement. Scope: WRAS approval applies to: pipes and fittings (HDPE, PVC-u, copper, brass); valves, couplings, and flanges; tank and vessel linings (epoxy coatings, GFS coatings, rubber linings); water meters; backflow prevention devices; dosing chemicals (NSF 60 for drinking water chemicals); membranes and filter media.

    What are the main water pump technologies and their applications?

    Water pump technology selection depends on the flow rate, pressure, fluid characteristics, and application: (1) Centrifugal pumps (most common in water industry): single or multistage radial flow (ISO 9908 / EN ISO 9906 testing standard); horizontal split case (HSC) for large flow, low head (river intakes, raw water transfer: Flowserve, Sulzer, Grundfos NK, Xylem ITT); vertical turbine pump (VTP) for deep borehole or reservoir inlet (multi-stage impeller on vertical lineshaft; Xylem Goulds, Grundfos SP, Franklin Electric submersible); submersible pump (Flygt, Grundfos SE/SL) for pump stations (wet well submersible; no separate pump house required). (2) Axial flow pumps: for high flow, very low head applications (less than 2 m); flood control, cooling water, irrigation transfer; Weir Pumps, KSB, Xylem; propeller-type impeller. (3) Positive displacement pumps: diaphragm metering pumps (ProMinent Dulcoflex, Watson-Marlow, LEWA): precise chemical dosing (0.1 to 1,000 L/h; accuracy plus or minus 1 percent; chemical-resistant wetted parts in PTFE/EPDM/PVC); peristaltic pumps (Watson-Marlow 600 series; Verder; for abrasive slurries, sludge, and aggressive chemicals; tube wears and replaces easily); progressive cavity pumps (Mono, Netzsch; for sludge transfer (3 to 8 percent DS); viscous fluids; 10 to 200 m3/h; pressure to 48 bar). (4) Pump selection criteria: hydraulic: flow rate (m3/h); head (m); pump efficiency (BS EN ISO 9906 Grade 1 or 2); NPSH required vs available; specific speed (Ns = N x Q^0.5 / H^0.75; low Ns radial flow, high Ns axial flow); energy: variable speed drive (VSD/VFD) for pumps on variable demand systems (energy saving 20 to 40 percent vs throttle control); soft starter for fixed-speed applications. UK pump market: Grundfos (largest by market share); Xylem (Flygt, Goulds); KSB; Sulzer; Weir Group; Wilo; DAB Pumps; Stuart Turner.

    How do water technology companies manage quality and compliance?

    Water technology manufacturers manage product quality and regulatory compliance through a combination of management system standards, product certification, and quality control processes: Quality management: ISO 9001:2015 (Quality Management Systems): the global standard for quality management; defines processes for design control, supplier qualification, production control, inspection and test, non-conformance management, and continual improvement; most water equipment manufacturers are ISO 9001 certified (required by many water company supplier qualification (pre-qualification questionnaire, PQQ) processes); UKAS-accredited certification body (BSI, Lloyds Register Quality Assurance, Bureau Veritas Certification) issues ISO 9001 certificate after audit; surveillance audits annually; recertification every 3 years. For drinking water contact products: WRAS Quality Assurance Scheme: WRAS QAS extends WRAS product approval to cover the manufacturer's production quality assurance processes; annual audits by WRAS-trained auditors; ensures consistent product quality matching the tested approval. Pressure systems: PED 2014/68/EU: quality system route (Module D, E, or H1) for pressure equipment above Cat III requires notified body audit of manufacturer's quality system (EN ISO 9001-based, expanded for pressure equipment); Quality Assurance Assessment (QAA) certificate issued by notified body. Testing and calibration: test equipment (pressure gauges, flow meters, calibration weights) must be calibrated at defined intervals against UKAS traceable standards (ISO/IEC 17025 calibration certificate required); calibration records maintained; measurement uncertainty documented. Performance testing: pumps tested to ISO 9906 at manufacturer's test facility (hydraulic performance: Q-H curve, efficiency curve, NPSH curve; power input; vibration: ISO 10816-7); membrane performance tested to ASTM D4516 and supplier standard conditions; UV systems tested to DVGW W 294 biodosimetry protocol.

    Case Study·Water treatment equipment manufacturing and supply
    Challenge

    A UK-based electrochlorination equipment manufacturer had developed a new skid-mounted brine electrolysis system (15 kg Cl2/day capacity) for drinking water disinfection at remote rural water supplies, but needed DWI Regulation 31 approval, WRAS product approval for the sodium hypochlorite dosing wetted parts, PSSR 2000 CE marking for the brine tank and chlorine contactor vessel, and a DVGW W 624 compliance demonstration for the electrochlorination cell, all in parallel with commercial launch.

    Approach

    The company engaged a specialist water treatment consulting firm to coordinate the four approval streams simultaneously: a DWI Reg 31 dossier was prepared (toxicological risk assessment for sodium hypochlorite by-products (chlorate, perchlorate) including WHO 2022 guideline values and DWI interim standards; process performance evidence from 3-month pilot installations at 4 water supply sites in Scotland and Wales); WRAS approval testing (BS 6920 extraction tests on CPVC and PVDF wetted parts at an accredited laboratory); CE/UKCA marking to PSSR 2000 for the pressure vessels (notified body Lloyds Register; Category II, Module D quality system route); and DVGW W 624 cell efficiency testing at an approved test facility.

    Outcome

    All four approvals obtained within 14 months (DWI Reg 31 approval: 11 months; WRAS approval: 5 months; PSSR CE/UKCA marking: 7 months; DVGW W 624 test certificate: 4 months). The company gained first-to-market advantage in the small rural water supply sector. Within 18 months of commercial launch, 42 systems were installed across Scotland, Wales, and northern England, generating GBP 1.9 million in revenue. The DWI Reg 31 approval certificate was used as a reference document in two subsequent competitive tenders where competing unapproved products were excluded by the procuring water companies.

    Questions to Ask Shortlisted Providers

    1. 1

      Does your equipment hold current WRAS approval for all wetted components in contact with drinking water, and is the approval listed on the current WRAS Approved Products List at wras.co.uk?

      WRAS approval is time-limited and must be renewed if the product specification changes; specifying non-WRAS-approved components in a drinking water application exposes the water company to DWI regulatory risk (potential supply quality compliance failure) and potential invalidation of the water company's Environmental Permit or abstraction licence conditions, which require use of approved materials throughout the treatment and distribution system.

    2. 2

      For pressure vessels, columns, and pipework above the PSSR 2000 Article 4 threshold, has CE/UKCA marking been obtained from a notified body, and is the Declaration of Conformity available?

      PSSR 2000 and the Pressure Equipment (Safety) Regulations 2016 (UK retained PED) require CE/UKCA marking for pressure equipment above threshold pressure x volume products; water company procurement teams routinely request Declaration of Conformity as a pre-qualification requirement; equipment without valid CE/UKCA marking cannot be legally placed on the UK market, which constitutes a supply agreement breach.

    3. 3

      What is the manufacturer's documented mean time between failures (MTBF) for critical components (UV lamps, membrane elements, dosing pump diaphragms), and is there a UK-based spare parts holding for next-day delivery?

      For water treatment equipment at sites with no on-site operational staff (remote borehole sites, unmanned booster pumping stations), a MTBF below 2 years for a critical component with no spare parts within 48 hours creates unacceptable supply risk; water companies require evidence of manufacturer MTBF data and a spares holding commitment in the supply contract.

    4. 4

      Has the equipment been validated at full scale under worst-case source water conditions matching the client's site-specific water quality (not just manufacturer's standard test conditions), and is the performance guarantee backed by liquidated damages?

      UV equipment validated at UVT 95 percent may fail to achieve log-removal targets at a site where UVT drops to 65 percent in autumn; membranes tested with deionised water will scale within weeks in hard groundwater without proper antiscalant protocol; performance guarantees must reference site-specific source water quality data, and liquidated damages for performance shortfall make the guarantee commercially meaningful.

    5. 5

      What is the manufacturer's end-of-life take-back or waste management scheme for consumables (spent UV lamps, exhausted membrane elements, spent GAC), and do the materials comply with the Waste Electrical and Electronic Equipment (WEEE) Regulations 2013 for mercury-containing lamps?

      Spent low-pressure mercury UV lamps are classified as hazardous waste under the Hazardous Waste Regulations 2005 and must be disposed of via a licensed hazardous waste contractor; WEEE Regulations 2013 require producers of electrical equipment (UV systems) to fund end-of-life collection and treatment; water companies increasingly require evidence of manufacturer WEEE compliance and hazardous waste management plans in PQQ documents.

    What Drives Cost in This Category

    WRAS and regulatory approval programme cost and timeline

    WRAS product approval (BS 6920 testing and assessment) costs GBP 5,000 to 25,000 per product line depending on the number of wetted materials and the testing scope; DWI Regulation 31 approval requires a toxicological dossier and process performance evidence that typically costs GBP 50,000 to 200,000 in consulting, testing, and preparation time; these approval costs are fixed regardless of sales volume, meaning they must be amortised over projected UK market sales and recovered in the product price.

    Membrane element warranty and replacement life cycle cost

    RO membrane elements (DuPont FilmTec BW30-400, Toray TM820, Hydranautics ESPA series) cost GBP 150 to 350 per element; a 100 m3/h BWRO system contains 70 to 120 elements; full element replacement costs GBP 10,500 to 42,000; manufacturer warranty is typically 1 year (for manufacturing defects, not scaling or fouling); actual element life is 3 to 7 years with proper antiscalant and CIP protocol; life cycle cost modelling must include element replacement frequency to compare alternative membrane product offerings fairly.

    Compliance with ErP (Energy-related Products) Directive for pumps and circulators

    The Energy-related Products Directive (ErP, UK retained as the Ecodesign for Energy-Related Products and Energy Information Regulations 2021) sets minimum energy efficiency requirements for water pumps (glandless circulators from 2013; clean water end-suction pumps from 2015); non-compliant pumps cannot be placed on the UK market; compliant high-efficiency pumps (Variable Speed Drive, IE3/IE4 motor, minimum efficiency index MEI 0.40) cost 15 to 25 percent more than legacy designs but reduce annual electricity consumption by 20 to 40 percent, typically recovering the premium in 2 to 4 years of operation.

    UK market entry cost for international water technology manufacturers

    International manufacturers entering the UK water technology market face product re-certification costs (WRAS approval: GBP 10,000 to 30,000; PSSR CE/UKCA marking: GBP 15,000 to 50,000 per product family via a UK notified body; BSI product certification: GBP 5,000 to 20,000 per standard); combined with establishing a UK technical support presence, spare parts holding (GBP 50,000 to 200,000 initial stock), and framework pre-qualification on water company approved supplier lists (typically GBP 5,000 to 15,000 in PQQ cost and audit time), the total UK market entry investment is GBP 100,000 to 400,000 before the first sale.

    Key Regulations & Standards

    WRAS Water Regulations Advisory Scheme and BS 6920:2000 - Drinking Water Contact Products

    WRAS approval is the standard UK route for demonstrating that products in contact with drinking water do not adversely affect water quality; BS 6920 extraction tests (organoleptic, colour, TOC, growth support, trace element migration) must be passed at a UKAS-accredited laboratory; the WRAS Approved Products List is maintained at wras.co.uk; DWI inspections verify that water company contractors specify WRAS-approved products for drinking water applications.

    Pressure Equipment (Safety) Regulations 2016 (UK Retained PED 2014/68/EU) and PSSR 2000

    Pressure vessels, heat exchangers, and pressure pipework above defined thresholds require CE/UKCA marking under the Pressure Equipment (Safety) Regulations 2016; conformity assessment routes (Module A, B+C, G, H, H1) depend on equipment category (I to IV based on pressure x volume and fluid type); Category III and IV require a UK Approved Body (Lloyds Register, DNV, Bureau Veritas) to conduct conformity assessment; Declaration of Conformity and technical file must accompany all CE/UKCA-marked equipment.

    Supply of Machinery (Safety) Regulations 2008 (UK Retained Machinery Directive 2006/42/EC)

    Water treatment pumps, mixers, screens, centrifuges, and UV systems are machinery subject to CE/UKCA marking under the Supply of Machinery (Safety) Regulations 2008; manufacturers must conduct a risk assessment against the Essential Health and Safety Requirements (EHSRs), apply harmonised standards (BS EN ISO 12100 for general machinery safety; BS EN 809 for liquid pumps), and issue a Declaration of Conformity; technical file must be retained for 10 years from the date of placing on the market.

    WEEE Regulations 2013 (SI 2013/3113) for UV Systems and Electronic Water Treatment Equipment

    Water treatment UV systems, electronic dosing controllers, and SCADA/RTU equipment are Electrical and Electronic Equipment (EEE) subject to the WEEE Regulations 2013 (UK retained WEEE Directive 2012/19/EU); producers must register with a WEEE compliance scheme (Valpak, Clarity Environmental, Recolight) and fund end-of-life collection and treatment; spent mercury-containing UV lamps (low-pressure amalgam lamps) are also classified as hazardous waste under the Hazardous Waste Regulations 2005 (England and Wales) and must be collected by a licensed hazardous waste contractor.