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AVK UK Ltd

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

(left) An AVK fabricated coupling and (right) an AVK Donkin end cap for gas

(left) AVK UK smart hydrant and (right) An AVK gate valve with smart positioner

(left) An AVK Donkin Softseal steel gate valve, PUR coated, flanged ends, for gas and (right) An AVK Donkin Softseal gate valve, Firesafe for gas

The AVK Series 36 PE tailed gate valve, with smart positioner

Anglian Water Phosphorus Removal Programme (2025)

Anglian Water’s £338m investment across 170 sites throughout AMP7 to mitigate the release of phosphates into the environment

Severn Estuary Long Sea Outfall Replacement (2025)

Critical infrastructure upgrade in an environmentally sensitive location

Towcester WRC (2025)

Addressing issues with storage capacity, flow capacity, phosphorus levels & growth requirements, to maintain the high standard that Anglian Water aspire to achieve

Burnley WwTW Catchment Strategy (2024)

Case study 4: Delivering river water quality improvements to Pendle Water and River Calder through an integrated catchment solution

Central Borders Strategy (2024)

£30m upgrade to enhance water treatment and distribution in Central Borders for improved quality and reliability for local communities

Newthorpe STW (2024)

Improving sustainability & resilience of sewage treatment in the Erewash Valley

Rotherwas WwTW (2024)

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

Sluvad WTW (2024)

Removing manganese and iron through the first UK water industry application of jet mixing for coagulant mixing at a water treatment works

West Hallington Reservoir (2024)

West Hallington Reservoir is a Northumbrian Water Group (NWG) asset situated 1km to the northeast of the village of Colwell in the Tynedale district of Northumberland. The reservoir was constructed between 1884 and 1890 for Newcastle & Gateshead Water Company for the purpose of municipal water supply. The reservoir was built adjacent to the earlier […]

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

Beckton STW (2023)

Beckton Sewage Treatment Works (STW) is the United Kingdom’s largest STW serving a population equivalent of over four million. The AMP7 project is a major £185m investment to increase the site’s treatment capacity for growth, by a population equivalent of 200,000, by extending the existing activated sludge plant (ASP). Beckton STW will receive stormwater from […]

Durleigh WTC (2023)

In 2019, Wessex Water launched a £51 million project to upgrade the Durleigh Water Treatment Centre (WTC) in Somerset, which had reached the end of its operational life. This project was crucial in maintaining the delivery of high-quality drinking water to a population of 44,500 and was part of the company’s long-term water supply strategy […]

Faringdon to Blunsdon Trunk Main Phase 2 (2023)

The water network in the western end of the Thames Valley Supply Area is dominated by local borehole water sources. Over time, population growth coupled with general environmental drivers to reduce reliance on groundwater sources in sensitive chalk stream areas, Thames Water has sought to improve supply resilience and deployable output by linking local sources […]

Newthorpe STW (2023)

North-west of Nottingham and separated by the River Erewash, two of Severn Trent’s sewage treatment works are situated within 2.5km of each other; part of the legacy of the times of the public statutory undertakers. Heanor Milnhay STW in Derbyshire has a dual-stream process, with part of the flows going through trickle filters and the […]

Ringsend WwTP: Phosphorus Fixation (2023)

Resource recovery for agricultural fertiliser use, while protecting the water quality in Dublin Bay

Sherston S101a - First Time Sewerage Scheme (2023)

Section 101a of the Water Industry Act requires that sewerage providers deliver and fund first time sewerage (FTS) schemes where the current drainage for two or more properties is unsatisfactory and where a public solution is viable. Unsatisfactory drainage includes situations where environmental or amenity problems caused by uncontrolled discharges from septic tanks or cess […]

Stroud Sewerage Strategy Project: Part 2 (2023)

The Stroud Sewerage Strategy is a major investment by Severn Trent which is required to overhaul of the existing sewer network by installing almost 3.5km of enlarged sewer pipe, separating surface water from the sewage network, creating additional storage with smart controls to hold stormwater back during large storm events before returning it to the […]

Ufton Nervet WTW (2023)

Ufton Nervet WTW is a groundwater treatment site located in the Kennet Valley Water Resource Zone, to the south of Reading and supplies an ‘island zone’ of approximately 12,000 properties. Groundwater is pumped through pressure filters for iron removal after which chlorine is dosed before flows enter the contact tank, which is a single cell […]

Wooler WTW (2023)

Wooler Water Treatment Works (WTW) is fed by four boreholes and supplies up to 160m3/hour of potable water to Wooler and surrounding areas, including several tourist and semi-residential holiday parks serving over 5,000 people. Seasonal fluctuation in demand can increase turbidity and increase iron and manganese concentrations in the borehole water, particularly when flows are […]

Ellesmere Port WwTW: Essar Upgrade (2022)

The large industrial town of Ellesmere Port in Cheshire is experiencing population growth, thanks to good transport links and an array of employment opportunities. The local population is set to rise by a further 10% by 2036, to over 76,000, so upgrades to the Ellesmere Port Wastewater Treatment Works (WwTW) are necessary to cope with […]

Fontburn WTW (2022)

Northumbrian Water’s Fontburn Water Treatment Works is located on the outskirts of the Northumberland National Park and produces drinking water for around 50,000 homes in rural and semi-rural areas from Longhorsley and Morpeth, down through Bedlington and as far as North Shields on the River Tyne. The plant produces approximately 20 million litres of water […]

Durleigh WTC (2021)

Wessex Water’s £50m project to upgrade Durleigh Water Treatment Centre (WTC) in Somerset is progressing on programme and within budget, despite some particular challenges posed by the Covid-19 pandemic. Work at the site near Bridgwater started in 2019. It is the largest single-value scheme delivered by Wessex Water’s Engineering & Sustainable Delivery (ESD) department and […]

Haweswater Aqueduct, Hallbank Tunnel Replacement (2021)

The Haweswater Aqueduct (HA) was constructed by the Manchester Water Corporation between 1935 and 1955 to provide water from Haweswater Reservoir to Heaton Park Reservoir in Manchester. The aqueduct was initially designed to convey 105 million gallons per day to allow for future increase in demand and is constructed of 8’ 6” concrete lined tunnels […]

Poolend Borehole Capital Maintenance (2021)

Severn Trent’s existing Poolend Borehole Pumping Station is located near Leek in Staffordshire and is one of four sources that supply water to Ladderedge DSR. A second borehole source feeds into the Poolend site where both sources undergo water treatment (pH correction, plumbosolvency, marginal chlorination, and ultraviolet (UV)). To ensure continued water security in the […]

Rosebery WTW (2021)

Located in Temple, near Gorebridge, in Midlothian, Scotland, Rosebery WTW treats raw water sourced from Megget and Gladhouse Reservoirs which is blended at the works inlet. The blended raw water is generally low in turbidity (2.0 NTU 95%ile), moderate colour (63 mg/l Pt/Co 95%ile), with average to high metals concentrations (55 to 300ug/l Mn, Al, […]

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 […]

West Huntspill WRC Bathing Waters Improvements (2021)

West Huntspill Water Recycling Centre (WRC) is a Wessex Water facility situated south of Highbridge in West Somerset. This environmentally sensitive site is within a National Nature Reserve and adjacent to a Site of Special Scientific Interest and a Special Protection Area (Bridgewater Bay and the Severn Estuary). The facility serves a catchment of 62,000 […]

Blackmoorfoot Reservoir (2020)

Blackmoorfoot Reservoir, a storage reservoir situated south-west of Huddersfield in West Yorkshire, was constructed between 1871 and 1876 at a cost of £260,000. It has a capacity of over 700,000 gallons and covers an area of 102 acres and provides raw water to Blackmoorfoot WTW, which supplies treated water to Huddersfield and surrounding areas. The […]

Childrey Warren WTW Abstraction Closure (2020)

During AMP4, Thames Water Utilities Ltd (TWUL) undertook low flow investigations for the Letcombe Brook, in the Wantage area of Oxfordshire. It was determined that the abstraction at Childrey Warren Water Treatment Works (WTW) was having an adverse impact on the river flows and the local environment. A subsequent review of options which included augmentation, […]

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 […]

Ellesmere Port WwTW: Essar Upgrade (2020)

The large, industrial town of Ellesmere Port in Cheshire is experiencing population growth, thanks to excellent transport links and an array of employment opportunities. The local population is set to rise by a further 10% by 2036, to over 76,000, so upgrades to the Ellesmere Port WwTW are necessary to cope with increased throughput. The […]

Morecambe WwTW Catchment Strategy: Part 3 (2020)

Operated by United Utilities, the Morecambe sewerage system collects at Schola Green Wastewater Pumping Station (WwPS) located in the west end of the town. From there, flows for treatment are pumped via a 6km long pipeline to Morecambe Wastewater Treatment Works (WwTW), which is situated to the south, near to the village of Middleton. Both […]

Murton WTW (2020)

Murton WTW is fed by six boreholes and supplies up to 350m3/hour of potable water to Berwick-upon-Tweed and surrounding areas, serving over 7,500 properties. The boreholes which feed the Berwick Water Supply Zone can contain turbidity, particularly when flows are high, interrupted or varied. The existing treatment process was unable to remove the turbidity, causing […]