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AFFCO Flow Control (UK) Ltd

AFFCO UK forms a part of the AFFCO Group, supplying flow control and actuated solutions worldwide.

Priding itself on housing a diverse range of experts in flow control solutions, AFFCO UK is ambitious, forward-thinking, and brings a fresh approach to the valve industry. AFFCO UK not only supplies products, but also provides services and solutions to customers. With a strong commitment to quality, innovation, and reliability, AFFCO UK delivers engineered products that support critical infrastructure across the water, wastewater, sewage, and desalination sectors.

AFFCO UK offer a comprehensive range of valves, including gate, butterfly, non-return, control valves and more. Our portfolio is designed to meet the rigorous demands of the modern water networks, ensuring durability, efficiency, and compliance with UK and international standards.

We are proud to hold ISO 45001, ISO 9001, and ISO14001 certifications. These reflect our commitment to upholding the supply of high-quality products, whilst maintaining a safe and environmentally conscious business environment. Carrying a wide range of WRAS approved products for safe and reliable use on potable water systems.

AFFCO UK believes in solutions, not just products. With six core promises – ranging from Global Leadership with Local Commitments to Engineered Savings – every project undertaken is guided by these principals. AFFCO UK team combines technical expertise with a responsive, customer-focused approach, ensuring that every solution is tailored and delivered to specific customer needs as seamlessly as possible.

Avonmouth WRC (2025)

Expansion of Wessex Water’s largest water recycling centre to meet the EA’s Water Industry National Environmental Programme (WINEP)

Bolton WwTW (2025)

Existing process enhancement to provide an affordable tightened permit solution

Cross Hands WwTW (2025)

Design and construction of an enhanced biological phosphorus removal plant to improve water quality on Afon Gwili

Finham STW Storm Tank Project (2025)

Delivering resilience through innovation and collaboration

Knostrop & Blackburn Meadows G2G Projects (2025)

Working in partnership with Yorkshire Water to deliver market funded gas to grid plants via a novel commercial model

Knostrop STW (2025)

Enhanced biological phosphorus and tertiary solids removal plants achieve tightened WFD consents with reduced energy consumption

Longbridge STW (2025)

Doubling the wastewater treatment capacity and meeting tightened phosphorus & ammonia consents for the Warwick & Leamington Spa catchments

Marsh Mills STW Stormwater Storage (2025)

A strategic investment in the resilience and sustainability of the region’s wastewater infrastructure by meeting the Environment Agency's approved stormwater storage volumes

Restormel WTW (2025)

Enhancing water quality and resilience through strategic investment

St Cleer WTW (2025)

Tackling discolouration issues through innovative manganese filtration and process redesign to enhance network water quality

Trimpley to Hampton Loade Pipeline Project (2025)

Strengthening the resilience of the water supply network for Severn Trent by addressing a critical operational vulnerability with a reliable secondary source

Whittle Dene WTW (2025)

Replacement of the backwash system fundamental to the treatment process, delivered through collaborative working with all delivery partners

Witches Oak WTW: Green Recovery - Decarbonising Water Resources (2025)

The challenges of designing and constructing the Witches Oak programme of works on multiple sites to a condensed timescale

Embsay WTW (2024)

Embsay Water Treatment Works is a standalone 24 ML/d water treatment works operated by Yorkshire Water (YW) and located in the Yorkshire Dales National Park, providing clean water to over 15,000 people in Skipton and surrounding areas. The existing works comprises of clarifiers, rapid gravity filters and a chlorine contact tank with associated chemical dosing. […]

Esholt STW (2024)

Fulfilling the Water Industry National Environmental Programme to reduce overall phosphorus in our rivers

Horsham New WwTW (2024)

Southern Water’s multi-million pound upgrade to boost the water quality of the River Arun and cater for the significant growth forecast

Lamerton STW (2024)

Reed bed and associated feed pumping station solution for nature-based phosphorus removal

Mogden STW: Biomethane Gas to Grid Project (2024)

Gas-to-grid project helping Thames Water continue with its push towards net zero

Mosswood WTW (2024)

Design and construction of a new run to waste system and attenuation lagoon to protect water quality

Queensferry WwTW (2024)

Replacement of existing inlet works with new DfMA structure

Rotherwas WwTW (2024)

Wastewater treatment upgrades for eutrophication mitigation and environmental compliance to remove phosphorus from the River Wye

Springwell Service Reservoir (2024)

Design and construction of a 43 ML semi-precast concrete reservoir to provide resilience in South Tyneside and Wearside

Tideway Central - Victoria Embankment (2024)

Delivery of complex civils to intercept combined sewer overflows and divert into the Thames Tideway Tunnel

Witches Oak Raw Water Pumping Station (2024)

Severn Trent’s Green Recovery Programme: combining natural solutions with conventional infrastructure

Witches Oak WTW: Green Recovery - Decarbonising Water Resources (2024)

The challenges of designing and constructing the Witches Oak programme of works on multiple sites to a condensed timescale

Hampton Loade WTW (2023)

Hampton Loade WTW treats raw water from Chelmarsh Reservoir, located approximately two miles north-west of the site. The reservoir is supplied by the river intake pumps located within the intake building immediately adjacent to the River Severn. The maximum flow that can gravitate to the works from the reservoir is 130-135 megalitres/day (MLD). To increase […]

Littlehempston WTW (2023)

Littlehempston is a large complex potable water treatment works located near Totnes, South Devon, which has multiple river and reservoir sources. It supplies circa 78,000 properties to an area that includes Torbay, Newton Abbot and Kingsbridge. The original treatment works comprises flat bottom clarifiers (FBC) and rapid gravity filters (RGF), with an additional process stream […]

Roundhill & Lower Gornal STWs (2023)

Roundhill Sewage Treatment Works (STW) is a large wastewater treatment site in the Severn Trent region serving Stourbridge and the surrounding area. It treats a flow to full treatment (FFT) of 1781 l/s and a population equivalent (PE) of around 300,000. The works was extensively rebuilt around the year 2000, with the large rectangular biofilters […]

Seedy Mill WTW (2023)

Seedy Mill WTW treats surface water from the Blithfield Reservoir. The existing supply to the works is gravity-fed up to a maximum of 85 MLD. Additional yield could be provided by utilising three in-line booster pumps located at Nethertown. In addition, there are two individual borehole contributions at Seedy Mill and Trent Valley, which can […]

Stithians WTW (2023)

Upgrading the existing water treatment process with GAC and UV treatment to meet long term taste and odour targets

Tophill Low WTW (2023)

Tophill Low Water Treatment Works (WTW) is a 68 Ml/d water production plant situated in the East Riding of Yorkshire, approximately six miles from Driffield. The works was originally constructed in 1959 and upgraded in the 1990s to the current configuration. The treatment process presently includes pH correction, ozonation, coagulation, DAF clarification, rapid gravity filtration, […]

Usk Reservoir (2023)

Usk is a large raised reservoir formed by an earth embankment dam, which completed constructed in 1955 with an approximate capacity of 12,268,000m3. The dam is 480m in length, with a maximum height of 31m, and supplies raw water to Bryngwyn Water Treatment Works and as well as providing compensation water to the River Usk, […]

Bicester STW (2022)

In recent years the Oxfordshire town of Bicester had undergone significant growth in its population with a further potential growth of 37% in the near future. In late 2019, Thames Water implemented the need for a growth scheme to upgrade various elements of the works to accommodate the forecast population increase. Bicester STW is a […]

Buxton STW (2022)

Improving phosphorus performance and providing treatment resilience using preliminary and primary treatment for an existing MBR on a space constrained site

Cannock STW (2022)

Enhanced river quality by utilising CoMag® ballasted enhanced settlement technology to remove phosphorus

Carlisle WwTW (2022)

Carlisle WwTW lies within United Utilities’ north Cumbria region. The site is located to the north-west of Carlisle’s city centre, on the banks of the River Eden, and serves the city of Carlisle. The treatment works receives domestic sewage, trade flows, and tankered imports, providing primary and secondary treatment prior to discharge to the River […]

Rothbury STW (2022)

Rothbury Sewage Treatment Works is an unmanned Northumbrian Water site located 13 miles north-west of Morpeth, Northumberland. It is on the western valley slope of the River Coquet, a designated Site of Special Scientific Interest. The area is a popular year-round holiday destination with several caravan sites within the catchment. The original works dates from […]

Stoke Bardolph STW - Anaerobic Digestion (2022)

Stoke Bardolph Sewage Treatment Works (STW) is Severn Trent’s second largest STW and serves a population of c. 620,000. The site is also a major regional sludge centre, meaning it takes a high volume of sludge imports from other sites in the region. Stoke Bardolph has a sludge treatment capacity equivalent to a population of […]

Cog Moors Advanced Anaerobic Digestion Facility (2021)

Welsh Water’s sludge strategy is to treat 97% of sludge using advanced anaerobic digestion (AAD) technology. The Cog Moors AAD facility was constructed to supplement the existing facilities at Cardiff and Afan in South Wales along with the recently constructed Five Fords facility in North Wales. AAD gives the benefits of: Meeting the Enhanced Sludge […]

Huddersfield Energy & Recycling Facility (2021)

Sludge treatment in the Huddersfield area was previously provided by incineration at Calder Valley Incinerator, located at Yorkshire Water’s Upper Brighouse Site. This incinerator has been inoperable since a weather event in 2015. Following a strategic review, Yorkshire Water Services (YWS) decided to progress with conventional mesophilic anaerobic digestion (MAD) plant supported by lime sanitisation […]

Hull WwTW - Project Update (2021)

Located in Saltend, Yorkshire Water’s Hull WwTW provides sewage treatment for a population equivalent of over 1 million people, covering an area from the west of Hull to Hedon in the east. This case study follows on from an initial paper in 2020 and details the progress of the new inlet works and the refurbishment […]

Tideway Central - Falconbrook PS CSO Shaft (2021)

The Tideway project is a new £3.8 billion, 25km long combined sewage storage and transfer system currently under construction in London. The project is divided into three design and build contracts: West, Central and East. The scope of works of the Central Section, the largest portion of the project at over half its length, includes […]

Uckington Water Treatment Scheme (2021)

The Uckington Borehole Capital Maintenance (BCM) and Restoring Sustainable Abstraction (RSA) Treatment Project set out to achieve the goal of an ecological improvement of the River Worfe while safeguarding the public water supply to the Telford area network. Over-abstraction from the River Worfe was impacting the achievement of Good Ecological Status under the Water Framework […]

Durleigh WTC (2020)

Durleigh Water Treatment Centre is located approximately 2km west of Bridgwater, Somerset and is Wessex Water’s second largest surface water treatment works serving a population of 44,500. The site was originally designed to treat up to 28.5 Ml/d, with water drawn down from the 959,000m3 Durleigh Impounding Reservoir. Raw water quality has deteriorated in recent […]

Newham STW (Threemilestone Project) 2020

Newham Sewage Treatment Works is located on the outskirts of Truro, Cornwall. The site treats wastewater from the city and the surrounding areas which are experiencing a rapid population growth. A £6.8m project was sanctioned by South West Water in May 2018 to provide a new secondary process stream, utilising the novel Nereda granular activated […]